PDBID	Molecule/ Organism	Pfam	Residues	HETATM	Symmetry	Pubmed	View
1cl1	CYSTATHIONINE BETA-LYASE Escherichia coli	Cys_Met_Meta_PP	SER A  32 SER A  33 SER C 216	None	homomer dihedral	8831789
1dcu	FRUCTOSE-1,6-BISPHOSPHATASE Pisum sativum	FBPase	SER A  23 SER D  43 SER D  44	None	homomer dihedral	10581254
1dg6	APO2L/TNF-RELATED APOPOTIS INDUCING LIGAND (TRAIL) Homo sapiens	TNF	SER A 232 SER B 232 SER C 232	None	homomer cyclic	10651627
1duv	ORNITHINE TRANSCARBAMOYLASE Escherichia coli	OTCace OTCace_N	SER G  79 SER H  79 SER I  79	None	homomer cyclic	10747936
1dyn	DYNAMIN Homo sapiens	PH	SER A 107 SER B 107 SER B 111	None	homomer dihedral	7954789
1eer	ERYTHROPOIETIN ERYTHROPOIETIN RECEPTOR Homo sapiens	EPO_TPO fn3 EpoR_lig-bind	SER A 100 SER A 104 SER C  91	None	heteromer asymmetric	9774108
1ega	PROTEIN (GTP-BINDING PROTEIN ERA) Escherichia coli	KH_2 MMR_HSR1	SER A   6 SER B  84 SER B  85	None	homomer cyclic	10411886
1el6	BASEPLATE STRUCTURAL PROTEIN GP11 Escherichia virus T4	GP11	SER A  63 SER B  63 SER C  63	None	homomer cyclic	10966799
1eno	ENOYL ACYL CARRIER PROTEIN REDUCTASE Brassica napus	adh_short_C2	SER A 203 SER A 204 SER B 211	None	homomer dihedral	8535786
1fp1	ISOLIQUIRITIGENIN 2'-O-METHYLTRANSFERASE Medicago sativa	Dimerisation Methyltransf_2	SER D 319 SER D 323 SER A  94	None	homomer cyclic	11224575
1gr3	COLLAGEN X Homo sapiens	C1q	SER A 639 SER C 671 SER C 673	None	homomer cyclic	11839302
1h9m	MOLYBDENUM-BINDING-PROTEIN Azotobacter vinelandii	TOBE	SER A 134 SER B 134 SER C 134	None	homomer cyclic	11352591
1hy0	DELTA CRYSTALLIN I Anas platyrhynchos	ASL_C2 Lyase_1	SER A 175 SER C 234 SER C 319	None	homomer dihedral	11258884
1i58	CHEMOTAXIS PROTEIN CHEA Thermotoga maritima	HATPase_c	SER A 478 SER B 520 SER B 522	None	homomer cyclic	11276258
1iqp	RFCS Pyrococcus furiosus	AAA Rep_fac_C	SER A 232 SER B 150 SER B 151	None	homomer cyclic	11545747
1jek	ENV POLYPROTEIN Visna-maedi virus	-	SER A 562 SER C 562 SER E 562	None	heteromer cyclic	11447278
1jmu	PROTEIN MU-1 Reovirus sp.	Reovirus_M2	SER B 303 SER D 653 SER D 656	None	heteromer cyclic	11832217
1k66	PHYTOCHROME RESPONSE REGULATOR RCPB Tolypothrix sp. PCC 7601	Response_reg	SER A 116 SER A 117 SER B 116	None	homomer cyclic	15240481
1kht	ADENYLATE KINASE Methanococcus voltae	AAA_17	SER A 161 SER B 161 SER C 161	None	homomer cyclic	12860130
1m32	2-AMINOETHYLPHOSPHONATE-PYRUVATE AMINOTRANSFERASE Salmonella enterica	Aminotran_5	SER A  64 SER A  66 SER B 222	PLP A4401	homomer cyclic	12403617
1n3l	TYROSYL-TRNA SYNTHETASE Homo sapiens	tRNA-synt_1b	SER A 137 SER A 138 SER B 162	None	homomer cyclic	12427973
1np0	BETA-HEXOSAMINIDASE SUBUNIT BETA BETA-HEXOSAMINIDASE SUBUNIT BETA CHAIN B Homo sapiens	Glyco_hydro_20 Glycohydro_20b2	SER A  82 SER A  85 SER C 130	None	heteromer cyclic	12662933
1o91	COLLAGEN ALPHA 1(VIII) CHAIN Mus musculus	C1q	SER A 702 SER C 734 SER C 736	SO4 C 900	homomer cyclic	12782141
1o94	ELECTRON TRANSFER FLAVOPROTEIN ALPHA-SUBUNIT ELECTRON TRANSFER FLAVOPROTEIN BETA-SUBUNIT Methylophilus methylotrophus	ETF	SER C 133 SER D 104 SER D 108	None	heteromer cyclic	12567183
1p0k	ISOPENTENYL-DIPHOSPHATE DELTA-ISOMERASE Bacillus subtilis	FMN_dh	SER A  34 SER E 191 SER E 194	None	homomer dihedral	12798687
1psc	PHOSPHOTRIESTERASE Brevundimonas diminuta	PTE	SER A 137 SER B 307 SER B 308	None	homomer cyclic	7794910
1qhd	VIRAL CAPSID VP6 Rotavirus A	Rota_Capsid_VP6	SER A 339 SER B 339 SER C 339	None	homomer cyclic	11285213
1qu7	METHYL-ACCEPTING CHEMOTAXIS PROTEIN I Escherichia coli	MCPsignal	SER A 358 SER A 424 SER B 358	None	homomer asymmetric	10466731
1qv9	F420-DEPENDENT METHYLENETETRAHYDROMETHANOPTERIN DEHYDROGENASE Methanopyrus kandleri	MTD	SER A 257 SER B 257 SER C 257	None	homomer dihedral	14499608
1qzu	HYPOTHETICAL PROTEIN MDS018 Homo sapiens	Flavoprotein	SER A 113 SER B 113 SER C 113	None	homomer cyclic	14501115
1rgx	RESISTIN Mus musculus	Resistin	SER A  55 SER B  55 SER C  55	None	homomer cyclic	15155948
1sby	ALCOHOL DEHYDROGENASE Scaptodrosophila lebanonensis	adh_short	SER A 152 SER B 160 SER B 164	None	homomer cyclic	-
1t6m	1-PHOSPHATIDYLINOSITOL PHOSPHODIESTERASE Bacillus thuringiensis	PI-PLC-X	SER A 285 SER B 131 SER B 133	None	homomer asymmetric	16042375
1ted	PKS18 Mycobacterium tuberculosis	Chal_sti_synt_C Chal_sti_synt_N	SER A 166 SER B 252 SER B 254	None	homomer cyclic	15286723
1tj7	ARGININOSUCCINATE LYASE Escherichia coli	ASL_C2 Lyase_1	SER A 108 SER B 277 SER B 278	PO4 A 601 PO4 B 602	homomer cyclic	15502303
1v3w	FERRIPYOCHELIN BINDING PROTEIN Pyrococcus horikoshii	Hexapep	SER A 100 SER B 100 SER C 100	EDO A2003 EDO B2003 EDO C2003	homomer cyclic	18931408
1vdk	FUMARATE HYDRATASE CLASS II Thermus thermophilus	FumaraseC_C Lyase_1	SER A 139 SER A 140 SER C 318	None	homomer dihedral	-
1vhv	DIPHTHINE SYNTHASE Archaeoglobus fulgidus	TP_methylase	SER A 114 SER B 112 SER B 114	None	homomer cyclic	16021622
1x7o	RRNA METHYLTRANSFERASE Streptomyces viridochromogenes	SpoU_methylase	SER A 176 SER A 179 SER B 259	None	homomer cyclic	15581897
1ya5	N2B-TITIN ISOFORM TELETHONIN Homo sapiens	Telethonin	SER B  14 SER T  38 SER T  57	None	heteromer asymmetric	16407954
1ya7	PROTEASOME ACTIVATOR PROTEIN PA26 Trypanosoma brucei	PA28_beta	SER O 153 SER P 176 SER P 178	None	heteromer dihedral	15916965
1yox	HYPOTHETICAL PROTEIN PA3696 Pseudomonas aeruginosa	AIM24	SER A  14 SER B  14 SER C  14	None	homomer cyclic	-
1yq5	MINOR CAPSID PROTEIN Pseudomonas virus PRD1	DUF1860	SER A 300 SER B 300 SER C 300	None	homomer cyclic	15837420
1yq8	MINOR CAPSID PROTEIN Pseudomonas virus PRD1	DUF1860	SER A 154 SER B 154 SER C 154	None	homomer cyclic	15837420
2a33	HYPOTHETICAL PROTEIN Arabidopsis thaliana	Lysine_decarbox	SER A 153 SER B 153 SER B 156	None	homomer cyclic	17048257
2a6q	ANTITOXIN YEFM TOXIN YOEB Escherichia coli	PhdYeFM_antitox YoeB_toxin	SER A  76 SER E   6 SER E   9	None	heteromer asymmetric	16109374
2a9g	ARGININE DEIMINASE Pseudomonas aeruginosa	Amidinotransf	SER A 395 SER B 393 SER B 395	None	homomer dihedral	16091358
2ast	CYCLIN-DEPENDENT KINASES REGULATORY SUBUNIT 1 S-PHASE KINASE-ASSOCIATED PROTEIN 2 Homo sapiens	CKS F-box-like	SER B2238 SER B2264 SER C3039	None	heteromer asymmetric	16209941
2atp	T-CELL SURFACE GLYCOPROTEIN CD8 ALPHA CHAIN T-CELL SURFACE GLYCOPROTEIN CD8 BETA CHAIN Mus musculus	V-set	SER A 108 SER B  30 SER B  52	None	heteromer asymmetric	16356863
2bwn	5-AMINOLEVULINATE SYNTHASE Rhodobacter capsulatus	Aminotran_1_2	SER A 113 SER A 277 SER B 114	PLP B1248	homomer cyclic	16121195
2cb2	SULFUR OXYGENASE REDUCTASE Acidianus ambivalens	SOR	SER A  70 SER B  69 SER B  70	None	homomer octahedral	16484493
2ccv	HELIX POMATIA AGGLUTININ Helix pomatia	H_lectin	SER A  50 SER B  50 SER C  50	None	homomer dihedral	16704980
2cvz	3-HYDROXYISOBUTYRATE DEHYDROGENASE Thermus thermophilus	NAD_binding_11 NAD_binding_2	SER C 117 SER D 203 SER D 204	None	homomer dihedral	16126223
2dc1	L-ASPARTATE DEHYDROGENASE Archaeoglobus fulgidus	DUF108 NAD_binding_3	SER A 109 SER A 222 SER B1120	None	homomer cyclic	17651440
2dsk	CHITINASE Pyrococcus furiosus	-	SER A 452 SER A 453 SER B 427	None	homomer cyclic	17183162
2dt4	HYPOTHETICAL PROTEIN PH0802 Pyrococcus horikoshii	DUF296	SER A  74 SER B  74 SER C  74	None	homomer cyclic	17295322
2dv6	NITRITE REDUCTASE Hyphomicrobium denitrificans	Cu-oxidase_3	SER D 392 SER E 392 SER F 392	None	homomer dihedral	17360521
2f1f	ACETOLACTATE SYNTHASE ISOZYME III SMALL SUBUNIT Escherichia coli	ACT_5 ALS_ss_C	SER A  24 SER B  13 SER B  17	None	homomer cyclic	16458324
2f9i	ACETYL-COENZYME A CARBOXYLASE CARBOXYL TRANSFERASE SUBUNIT ALPHA ACETYL-COENZYME A CARBOXYLASE CARBOXYL TRANSFERASE SUBUNIT BETA Staphylococcus aureus	ACCA Carboxyl_trans	SER A 171 SER B 210 SER B 215	None	heteromer cyclic	16460018
2fa5	TRANSCRIPTIONAL REGULATOR MARR/EMRR FAMILY Xanthomonas campestris	MarR_2	SER A  27 SER B  30 SER B  34	None	homomer cyclic	16862595
2fyz	FUSION GLYCOPROTEIN F0 Mumps rubulavirus	Fusion_gly	SER A 126 SER C 126 SER E 126	None	heteromer cyclic	16904649
2g9t	ORF1A POLYPROTEIN Severe acute respiratory syndrome-related coronavirus	NSP10	SER A  15 SER C  15 SER F  15	None	homomer tetrahedral	16873247
2gk3	PUTATIVE CYTOPLASMIC PROTEIN Salmonella enterica	GATase1_like	SER A  24 SER A  29 SER C  33	None	homomer dihedral	17968677
2hx0	PUTATIVE DNA-BINDING PROTEIN Salmonella enterica	DUF296	SER A  73 SER B  73 SER C  73	None	homomer cyclic	-
2hzm	RNA POLYMERASE II MEDIATOR COMPLEX SUBUNIT 18 RNA POLYMERASE II MEDIATOR COMPLEX SUBUNIT 20 Saccharomyces cerevisiae	Med18 Med20	SER A  96 SER B  36 SER B  67	None	heteromer asymmetric	16964259
2i9d	CHLORAMPHENICOL ACETYLTRANSFERASE Bacteroides thetaiotaomicron	CAT	SER A 156 SER B 156 SER C 156	None	homomer cyclic	-
2ig8	HYPOTHETICAL PROTEIN PA3499 Pseudomonas aeruginosa	Ribonuc_L-PSP	SER A 117 SER B 117 SER C 117	None	homomer cyclic	-
2inu	INSULIN FRUCTOTRANSFERASE Bacillus sp. snu-7	Beta_helix_2	SER A 309 SER B 309 SER C 309	None	homomer cyclic	17192265
2j0w	LYSINE-SENSITIVE ASPARTOKINASE 3 Escherichia coli	AA_kinase ACT	SER A 345 SER A 348 SER B 423	None	homomer cyclic	16905770
2j1d	DISHEVELED-ASSOCIATED ACTIVATOR OF MORPHOGENESIS 1 Homo sapiens	FH2	SER G 838 SER G 839 SER A 616	None	homomer cyclic	17482208
2nps	SYNTAXIN 13 VESICLE-ASSOCIATED MEMBRANE PROTEIN 4 Mus musculus Rattus norvegicus	SNARE Synaptobrevin	SER A  93 SER B 225 SER B 226	None	heteromer asymmetric	17159904
2nx9	OXALOACETATE DECARBOXYLASE 2, SUBUNIT ALPHA Vibrio cholerae	HMGL-like PYC_OADA	SER A 291 SER B 235 SER B 238	None	homomer cyclic	17270211
2ouw	ALKYLHYDROPEROXIDASE AHPD CORE Rhodospirillum rubrum	CMD	SER A  82 SER C  82 SER E  82	None	homomer dihedral	-
2p5m	ARGININE REPRESSOR Bacillus subtilis	Arg_repressor_C	SER A  91 SER B  91 SER C  91	None	homomer dihedral	18007040
2pfm	ADENYLOSUCCINATE LYASE Bacillus anthracis	ADSL_C Lyase_1	SER A  96 SER C 264 SER C 265	MLI A 902	homomer dihedral	-
2pm7	PROTEIN TRANSPORT PROTEIN SEC31 Saccharomyces cerevisiae	Sec16_C	SER A 505 SER A 507 SER C 568	None	heteromer cyclic	17604721
2pnv	SMALL CONDUCTANCE CALCIUM-ACTIVATED POTASSIUM CHANNEL PROTEIN 2 Rattus norvegicus	-	SER A 501 SER B 501 SER C 501	None	homomer cyclic	17910055
2pt7	CAG-ALFA Helicobacter pylori	T2SSE	SER A   7 SER B  77 SER B  79	None	heteromer cyclic	17972918
2qf7	PYRUVATE CARBOXYLASE PROTEIN Rhizobium etli	Biotin_carb_C Biotin_carb_N Biotin_lipoyl CPSase_L_D2 HMGL-like PYC_OADA	SER A 854 SER C1096 SER C1114	None	homomer cyclic	17717183
2qxx	DEOXYCYTIDINE TRIPHOSPHATE DEAMINASE Mycobacterium tuberculosis	dUTPase	SER A 103 SER B 180 SER B 182	TTP B 201	homomer cyclic	18164314
2vji	TAILSPIKE PROTEIN Salmonella virus HK620	Phage_spike_2	SER A 543 SER B 543 SER C 543	None	homomer cyclic	18547389
2vpv	PROTEIN MIF2 Saccharomyces cerevisiae	CENP-C_C	SER A 530 SER C 530 SER E 530	None	homomer dihedral	18701705
2vro	ALDEHYDE DEHYDROGENASE Paraburkholderia xenovorans	Aldedh	SER A 134 SER A 138 SER B 472	None	homomer cyclic	18462753
2wii	COMPLEMENT C3 BETA CHAIN COMPLEMENT C3B ALPHA' CHAIN Homo sapiens	A2M A2M_N Thiol-ester_cl A2M_N_2 A2M_comp A2M_recep NTR	SER A 312 SER A 314 SER B 873	None	heteromer asymmetric	19503104
2wlg	POLYSIALIC ACID O-ACETYLTRANSFERASE Neisseria meningitidis	Hexapep	SER A 184 SER B 184 SER C 184	EDO A1220 EDO C1221	homomer cyclic	19525232
2wn3	DISCOIDIN-1 SUBUNIT A Dictyostelium discoideum	F5_F8_type_C H_lectin	SER A 157 SER B 157 SER C 157	SO4 A 401	homomer cyclic	20580724
2wzp	PUTATIVE RECEPTOR BINDING PROTEIN Lactococcus virus P2	Caudo_bapla_RBP	SER A 230 SER B 230 SER C 230	None	heteromer cyclic	20351260
2x3h	K5 LYASE Escherichia virus K1-5	-	SER A 267 SER B 267 SER C 267	None	homomer cyclic	20519506
2xot	AMPHOTERIN-INDUCED PROTEIN 1 Mus musculus	I-set LRR_8	SER A 166 SER A 193 SER B  42	None	homomer cyclic	21983541
2xts	CYTOCHROME SULFITE DEHYDROGENASE Paracoccus pantotrophus	Cytochrome_CBB3 Mo-co_dimer Oxidored_molyb	SER A 217 SER A 218 SER B 120	MTE A 500	heteromer cyclic	21147779
2xzz	PROTEIN-GLUTAMINE GAMMA-GLUTAMYLTRANSFERASE K Homo sapiens	Transglut_C	SER A 776 SER M 776 SER S 776	None	homomer octahedral	-
2yad	SURFACTANT PROTEIN C BRICHOS DOMAIN Homo sapiens	BRICHOS SP_C-Propep	SER A  95 SER B  95 SER E  95	None	homomer cyclic	22308375
2yvv	HYALURONIDASE, PHAGE ASSOCIATED Streptococcus pyogenes	Hyaluronidase_1	SER A  56 SER B  56 SER C  56	None	homomer cyclic	-
2yz2	PUTATIVE ABC TRANSPORTER ATP-BINDING PROTEIN TM_0222 Thermotoga maritima	ABC_tran	SER A 130 SER F   9 SER F  61	None	homomer dihedral	-
2z5w	BCLA PROTEIN Bacillus anthracis	BclA_C	SER A 169 SER B 169 SER C 169	GOL B   1	homomer cyclic	17879302
2zog	CYTOSOLIC NON-SPECIFIC DIPEPTIDASE Mus musculus	Peptidase_M20	SER A 229 SER B 315 SER B 341	None	homomer cyclic	18550540
3b4w	ALDEHYDE DEHYDROGENASE Mycobacterium tuberculosis	Aldedh	SER A 140 SER A 477 SER B 450	None	homomer cyclic	-
3bam	PROTEIN (RESTRICTION ENDONUCLEASE BAMHI) Bacillus amyloliquefaciens	BamHI	SER A 118 SER A 119 SER B 118	None	homomer cyclic	9783752
3bru	REGULATORY PROTEIN, TETR FAMILY Rhodobacter sphaeroides	TetR_C_13 TetR_N	SER A  46 SER B  46 SER B  47	None	homomer cyclic	-
3c1m	PROBABLE ASPARTOKINASE Methanocaldococcus jannaschii	AA_kinase ACT ACT_7	SER A 353 SER A 362 SER B 442	None	homomer dihedral	18334478
3ci9	HEAT SHOCK FACTOR-BINDING PROTEIN 1 Homo sapiens	HSBP1	SER A  31 SER C  31 SER E  31	None	homomer dihedral	18767159
3cla	TYPE III CHLORAMPHENICOL ACETYLTRANSFERASE Escherichia coli	CAT	SER A  34 SER A 190 SER C 157	None	homomer cyclic	2187098
3dc7	PUTATIVE UNCHARACTERIZED PROTEIN LP_3323 Lactobacillus plantarum	Lipase_GDSL_2	SER A 222 SER B 222 SER C 222	None	homomer cyclic	-
3duz	MAJOR ENVELOPE GLYCOPROTEIN Autographa californica multiple nucleopolyhedrovirus	Baculo_gp64	SER A  81 SER B  81 SER C  81	None	homomer cyclic	18776902
3e0j	DNA POLYMERASE SUBUNIT DELTA-2 DNA POLYMERASE SUBUNIT DELTA-3 Homo sapiens	CDC27	SER G 289 SER H 130 SER H 133	None	heteromer asymmetric	18818516
3emo	HIA (ADHESIN) Haemophilus influenzae	YadA_anchor YadA_stalk	SER C 994 SER B 984 SER B 987	None	homomer cyclic	18948113
3eya	PYRUVATE DEHYDROGENASE [CYTOCHROME] Escherichia coli	TPP_enzyme_C TPP_enzyme_M TPP_enzyme_N	SER A 104 SER A 105 SER C 133	None	homomer dihedral	18988747
3fuy	PUTATIVE INTEGRON GENE CASSETTE PROTEIN uncultured bacterium	-	SER A   7 SER B   7 SER C   7	None	homomer cyclic	23349695
3g13	PUTATIVE CONJUGATIVE TRANSPOSON RECOMBINASE Clostridioides difficile	Resolvase	SER A 131 SER B  83 SER B  85	None	homomer cyclic	-
3gos	2,3,4,5-TETRAHYDROPYRIDINE-2,6-DICARBOXYLATE N-SUCCINYLTRANSFERASE Yersinia pestis	Hexapep Hexapep_2 THDPS_N_2	SER A 246 SER B 246 SER C 246	None	homomer cyclic	-
3gvd	SERINE ACETYLTRANSFERASE Yersinia pestis	Hexapep SATase_N	SER A 179 SER B 179 SER C 179	SO4 A 274	homomer dihedral	-
3gzh	ADENYLOSUCCINATE LYASE Escherichia coli	ASL_C Lyase_1	SER A 123 SER D 295 SER D 296	PO4 A 504	homomer dihedral	19724117
3h4s	KCBP INTERACTING CA2+-BINDING PROTEIN KINESIN-LIKE CALMODULIN-BINDING PROTEIN Arabidopsis thaliana	EF-hand_8 Kinesin	SER A1154 SER A1155 SER E  47	None	heteromer asymmetric	19416847
3h7x	ADHESIN YADA Yersinia enterocolitica	-	SER A 319 SER B 319 SER C 319	None	homomer cyclic	20178846
3hh0	TRANSCRIPTIONAL REGULATOR, MERR FAMILY Bacillus cereus	-	SER B  10 SER C   6 SER C  10	None	homomer dihedral	-
3hm4	CHEMOTAXIS PROTEIN CHEX Desulfovibrio alaskensis	CheX	SER A  58 SER A  60 SER B 119	UNL A 156	homomer cyclic	-
3keb	PROBABLE THIOL PEROXIDASE Chromobacterium violaceum	-	SER A  56 SER B  90 SER B  92	None	homomer cyclic	-
3l0x	PROLIFERATING CELL NUCLEAR ANTIGEN Saccharomyces cerevisiae	PCNA_C PCNA_C PCNA_N	SER A 141 SER A 145 SER B 219	None	heteromer asymmetric	20305653
3lge	FRUCTOSE-BISPHOSPHATE ALDOLASE A SORTING NEXIN-9 Homo sapiens Oryctolagus cuniculus	-	SER B 275 SER F 174 SER F 176	None	homomer cyclic	20129922
3lyb	PUTATIVE ENDORIBONUCLEASE Klebsiella pneumoniae	Ribonuc_L-PSP	SER A 131 SER D 131 SER F 131	None	homomer tetrahedral	-
3lyc	PUTATIVE PECTINASE Parabacteroides distasonis	DUF2807	SER A 121 SER A 142 SER B 240	None	homomer cyclic	-
3m1r	FORMIMIDOYLGLUTAMASE Bacillus subtilis	Arginase	SER A 249 SER B 249 SER C 249	CAC C 320	homomer dihedral	-
3mxq	SENSOR PROTEIN Vibrio cholerae	PAS_4	SER A  74 SER A  75 SER B   2	None	homomer dihedral	-
3ne5	CATION EFFLUX SYSTEM PROTEIN CUSA CATION EFFLUX SYSTEM PROTEIN CUSB Escherichia coli	ACR_tran HlyD_D23	SER A 220 SER A 221 SER F 387	None	heteromer cyclic	21350490
3o0g	CELL DIVISION PROTEIN KINASE 5 CYCLIN-DEPENDENT KINASE 5 ACTIVATOR 1 Homo sapiens	CDK5_activator Pkinase	SER A  46 SER A  47 SER D 242	None	heteromer asymmetric	16039528
3odh	OKRAI ENDONUCLEASE Oceanobacter kriegii	BamHI	SER A 106 SER B 106 SER B 107	None	homomer cyclic	20833632
3opb	SWI5-DEPENDENT HO EXPRESSION PROTEIN 4 Saccharomyces cerevisiae	UNC45-central	SER A 110 SER A 111 SER B 110	None	homomer cyclic	21115842
3or1	SULFITE REDUCTASE ALPHA SULFITE REDUCTASE BETA Desulfovibrio gigas	NIR_SIR NIR_SIR NIR_SIR_ferr	SER A  19 SER A  22 SER B 127	None	heteromer cyclic	-
3ozb	METHYLTHIOADENOSINE PHOSPHORYLASE Pseudomonas aeruginosa	PNP_UDP_1	SER A 124 SER B 124 SER C 124	None	homomer dihedral	21197954
3q1x	SERINE ACETYLTRANSFERASE Entamoeba histolytica	Hexapep	SER A 163 SER B 163 SER C 163	None	homomer cyclic	21297164
3qki	GLUCOSE-6-PHOSPHATE ISOMERASE Plasmodium falciparum	PGI	SER A  36 SER A  51 SER B 568	None	homomer cyclic	-
3rwn	GENE 9 PROTEIN Shigella virus Sf6	Phage_tail_NK	SER A 231 SER B 231 SER C 231	PO4 A 283	homomer cyclic	21705802
3s6x	OUTER CAPSID PROTEIN SIGMA-1 Mammalian orthoreovirus	Reo_sigma1	SER A 413 SER B 413 SER C 413	None	homomer asymmetric	21829363
3soz	CYTOPLASMIC PROTEIN STM1381 Salmonella enterica	GATase1_like	SER A  17 SER A  22 SER C  26	None	homomer cyclic	-
3sqg	METHYL COENZYME M REDUCTASE, ALPHA SUBUNIT METHYL-COENZYME M REDUCTASE, GAMMA SUBUNIT uncultured archaeon	MCR_alpha MCR_gamma MCR_alpha_N	SER A 444 SER A 476 SER C 245	None	heteromer cyclic	22121022
3tk8	2,3,4,5-TETRAHYDROPYRIDINE-2,6-DICARBOXYLATE N-SUCCINYLTRANSFERASE Burkholderia pseudomallei	Hexapep Hexapep_2 THDPS_N_2	SER A 285 SER B 285 SER C 285	None	homomer cyclic	-
3tvi	ASPARTOKINASE Clostridium acetobutylicum	AA_kinase ACT	SER A 337 SER B 411 SER B 412	None	homomer cyclic	25170437
3u1k	POLYRIBONUCLEOTIDE NUCLEOTIDYLTRANSFERASE 1, MITOCHONDRIAL Homo sapiens	KH_1 PNPase RNase_PH RNase_PH_C	SER A 408 SER B 408 SER C 408	None	homomer cyclic	22210891
3u4q	ATP-DEPENDENT HELICASE/DEOXYRIBONUCLEASE SUBUNIT B ATP-DEPENDENT HELICASE/NUCLEASE SUBUNIT A Bacillus subtilis	PDDEXK_1 PDDEXK_1 UvrD-helicase UvrD_C	SER A 628 SER A 644 SER B1128	None	heteromer asymmetric	22307084
3vto	PROTEIN GP45 Escherichia virus Mu	Phage_Mu_Gp45	SER A 189 SER B 189 SER C 189	CA A 302	homomer cyclic	22922659
3wmq	GALACTOSE-BINDING LECTIN Sinularia lochmodes	H_lectin	SER A  45 SER B  45 SER C  45	None	homomer dihedral	26022515
3zds	HOMOGENTISATE 1,2-DIOXYGENASE Pseudomonas putida	HgmA	SER A 302 SER B 302 SER C 302	None	homomer dihedral	23858455
4agr	GALECTIN Cinachyrella	Gal-bind_lectin	SER A 143 SER C 141 SER C 143	None	homomer dihedral	22948917
4bcu	COAT PROTEIN Tobacco virtovirus 1	TNV_CP	SER 0  82 SER 0 136 SER 1 141	None	homomer icosahedral	23318955
4beu	ALANINE RACEMASE Vibrio cholerae	Ala_racemase_C Ala_racemase_N	SER A 122 SER B 286 SER B 287	None	homomer cyclic	24419381
4byf	CALMODULIN UNCONVENTIONAL MYOSIN-IC Homo sapiens	-	SER C 375 SER C 378 SER D 102	None	heteromer asymmetric	24636949
4c2m	DNA-DIRECTED RNA POLYMERASE I SUBUNIT RPA135 DNA-DIRECTED RNA POLYMERASE I SUBUNIT RPA49 Saccharomyces cerevisiae	RNA_pol_Rpa2_4 RNA_pol_Rpb2_1 RNA_pol_Rpb2_3 RNA_pol_Rpb2_6 RNA_pol_Rpb2_7	SER B 574 SER M  69 SER M  70	None	heteromer asymmetric	24153182
4c6s	PROBABLE WRKY TRANSCRIPTION FACTOR 52 Arabidopsis thaliana	-	SER A  25 SER B 130 SER B 132	None	homomer cyclic	24744375
4d3c	HEPATOCYTE GROWTH FACTOR SFN68 FAB Homo sapiens Oryctolagus cuniculus	C1-set Kringle V-set PAN_1	SER A 161 SER H  54 SER H  55	None	heteromer asymmetric	-
4d8m	PESTICIDAL CRYSTAL PROTEIN CRY5BA Bacillus thuringiensis	Endotoxin_C Endotoxin_N	SER A 195 SER B 195 SER C 195	None	homomer cyclic	23150986
4dmi	CAPSID PROTEIN unidentified	-	SER A  92 SER A 131 SER C 122	None	homomer cyclic	-
4e79	UDP-3-O-ACYLGLUCOSAMINE N-ACYLTRANSFERASE Acinetobacter baumannii	Hexapep Hexapep_2 LpxD	SER A 180 SER B 180 SER C 180	None	homomer cyclic	23295477
4eqq	PUTATIVE HOST CELL SURFACE-EXPOSED LIPOPROTEIN Streptococcus phage TP-J34	Lipoprotein_Ltp	SER A  73 SER A  77 SER B 113	None	homomer cyclic	23692331
4g1p	CYS-GLY METALLODIPEPTIDASE DUG1 Saccharomyces cerevisiae	Peptidase_M20	SER A 234 SER B 320 SER B 346	None	homomer cyclic	-
4g2k	GENERAL CONTROL PROTEIN GCN4, ENVELOPE GLYCOPROTEIN GP2 CHIMERA Saccharomyces cerevisiae,Marburg marburgvirus	-	SER A 584 SER B 584 SER C 584	CL A 702	homomer cyclic	22935026
4hwv	PECTATE LYASE/AMB ALLERGEN Acidovorax citrulli	Pec_lyase_C	SER A 131 SER A 134 SER B 137	None	homomer cyclic	23568384
4i0w	PROTEASE CSPB Clostridium perfringens	Peptidase_S8	SER A  96 SER B 252 SER B 494	None	heteromer asymmetric	23408892
4ic6	PROTEASE DO-LIKE 8, CHLOROPLASTIC Arabidopsis thaliana	PDZ_2 Trypsin_2	SER A 317 SER B 317 SER C 317	None	homomer dihedral	23633592
4iv5	ASPARTATE CARBAMOYLTRANSFERASE, PUTATIVE Trypanosoma cruzi	OTCace OTCace_N	SER A  62 SER A  63 SER B  89	PO4 A 401	homomer cyclic	-
4iy7	CYSTATHIONINE GAMMA-LYASE-LIKE PROTEIN Xanthomonas oryzae	Cys_Met_Meta_PP	SER A  43 SER B 216 SER B 339	KOU B 403	homomer dihedral	24531493
4l9b	RECEPTOR BINDING PROTEIN Lactococcus phage 1358	-	SER A 258 SER A 329 SER C 330	None	homomer cyclic	-
4l9z	MALYL-COA LYASE Rhodobacter sphaeroides	HpcH_HpaI	SER A 198 SER B 198 SER C 198	None	homomer dihedral	24206647
4m6b	CHIMERA PROTEIN OF HISTONE H2B.1 AND HISTONE H2A.Z HELICASE SWR1 Saccharomyces cerevisiae	Histone Histone_H2A_C	SER A  63 SER A  67 SER C 598	None	heteromer asymmetric	24507717
4mjt	MONALYSIN Pseudomonas entomophila	BB_PF	SER A 188 SER J  12 SER J  14	None	homomer cyclic	25847242
4myk	FORMIMINOGLUTAMASE Trypanosoma cruzi	Arginase	SER A 235 SER B 235 SER C 235	None	homomer cyclic	24261485
4mzy	NICOTINATE PHOSPHORIBOSYLTRANSFERASE Enterococcus faecalis	NAPRTase	SER A 265 SER B 351 SER B 352	None	homomer cyclic	-
4n6o	CYSTATIN-M LEGUMAIN Homo sapiens	Cystatin Peptidase_C13	SER A 215 SER B  38 SER B  40	None	heteromer asymmetric	25630877
4odj	S-ADENOSYLMETHIONINE SYNTHASE Cryptosporidium hominis	S-AdoMet_synt_C S-AdoMet_synt_M S-AdoMet_synt_N	SER A  26 SER B 327 SER B 337	None	homomer cyclic	-
4p3g	SIGNAL RECOGNITION PARTICLE SUBUNIT SRP68 Chaetomium thermophilum	-	SER C 104 SER D 100 SER D 104	None	homomer cyclic	24700861
4p5a	THYMIDYLATE SYNTHASE THYX Streptomyces cacaoi	Thy1	SER A  20 SER A  69 SER D  20	None	homomer dihedral	-
4q2u	ANTITOXIN DINJ MRNA INTERFERASE YAFQ Escherichia coli	RelB YafQ_toxin	SER A  61 SER A  65 SER B   9	None	heteromer cyclic	24898247
4qk7	INFLUENZA M2 MONOMER Influenza A virus	Flu_M2	SER A  23 SER B  23 SER C  23	CL A 102	homomer cyclic	26578770
4r7y	MINICHROMOSOME MAINTENANCE PROTEIN MCM, CELL DIVISION CONTROL PROTEIN 21 Pyrococcus furiosus,Saccharolobus solfataricus	MCM MCM_N MCM_OB	SER A1356 SER A1357 SER B1784	None	homomer cyclic	25262915
4rkh	E3 UBIQUITIN-PROTEIN LIGASE MSL-2 Drosophila melanogaster	-	SER E 532 SER E 533 SER F 542	None	homomer cyclic	25452275
4ru5	TAILSPIKE GP27 Pseudomonas phage phi297	-	SER A 740 SER B 740 SER C 740	None	homomer cyclic	29176754
4wzi	CAMP-SPECIFIC 3',5'-CYCLIC PHOSPHODIESTERASE 4B Homo sapiens	PDEase_I	SER A 243 SER A 247 SER B 524	None	homomer cyclic	25775568
4x0n	HELIANTHAMIDE PANCREATIC ALPHA-AMYLASE Stichodactyla helianthus Sus scrofa	Alpha-amylase Alpha-amylase_C	SER A 310 SER A 311 SER B1002	None	heteromer asymmetric	-
4x57	MEMBRANE-ANCHORED UBIQUITIN-FOLD PROTEIN 3 UBIQUITIN-CONJUGATING ENZYME E2 8 Arabidopsis thaliana	Rad60-SLD_2 UQ_con	SER A  22 SER B  59 SER B  60	SO4 A 201	heteromer asymmetric	-
4yzo	PUTATIVE ACYL-COA ACYLTRANSFERASE Sulfurisphaera tokodaii	Thiolase_C Thiolase_N	SER A  56 SER A  69 SER C 363	None	homomer cyclic	-
4z9c	PERTUSSIS TOXIN-LIKE SUBUNIT ARTA SUBTILASE CYTOTOXIN SUBUNIT B-LIKE PROTEIN Escherichia coli	Pertussis_S1	SER A 143 SER F 105 SER F 106	None	heteromer asymmetric	28663369
5a9a	POLYHEDRIN Simulium ubiquitum cypovirus	CPV_Polyhedrin	SER A 188 SER B 188 SER C 188	None	homomer cyclic	26291392
5aa6	VANADIUM-DEPENDENT BROMOPEROXIDASE 2 Ascophyllum nodosum	-	SER B 354 SER C 364 SER C 366	None	homomer dihedral	-
5abs	SH3 DOMAIN-CONTAINING KINASE-BINDING PROTEIN 1 Homo sapiens	-	SER A 605 SER B 605 SER C 605	None	homomer cyclic	27353366
5aew	BIPHENYL DIOXYGENASE SUBUNIT BETA Paraburkholderia xenovorans	-	SER T 115 SER V 115 SER X 115	None	heteromer cyclic	26953337
5ax6	COFB Escherichia coli	-	SER A 429 SER B 429 SER C 429	None	homomer cyclic	26876601
5b04	PROBABLE TRANSLATION INITIATION FACTOR EIF-2B SUBUNIT BETA TRANSLATION INITIATION FACTOR EIF-2B SUBUNIT ALPHA Schizosaccharomyces pombe	IF-2B	SER A 328 SER A 330 SER D 376	None	heteromer cyclic	26901872
5bpk	GAMMA-GLUTAMYLTRANSPEPTIDASE (GGT) Helicobacter pylori	G_glu_transpept	SER A 192 SER A 193 SER C 408	None	heteromer asymmetric	-
5c6g	AGR133CP SISTER CHROMATID COHESION PROTEIN 2 Eremothecium gossypii	Cohesin_load	SER A 474 SER A 529 SER B  16	None	heteromer asymmetric	26212329
5dz8	BSPA (BSPA_V) Streptococcus agalactiae	BspA_v	SER A 422 SER A 423 SER B 446	None	homomer cyclic	27311712
5eft	P9-1 Southern rice black-streaked dwarf virus	Reo_P9	SER B 269 SER B 270 SER D  76	None	homomer asymmetric	-
5fq8	OUTER MEMBRANE PROTEIN OMP121 PUTATIVE LIPOPROTEIN Bacteroides thetaiotaomicron	Plug SusD-like_2 TonB_dep_Rec	SER A  25 SER A  29 SER B 630	None	heteromer asymmetric	28077872
5fvn	OMPC PORIN Enterobacter cloacae	Porin_1	SER A  71 SER B  71 SER C  71	None	homomer cyclic	27493217
5g0a	TRANSAMINASE Bacillus megaterium	-	SER B 184 SER B 187 SER C 187	None	homomer dihedral	27428867
5g5o	LH3 HEXON-INTERLACING CAPSID PROTEIN Snake atadenovirus A	Adeno_E1B_55K	SER D 212 SER E 212 SER F 212	None	homomer cyclic	28943338
5ha6	SYNCYTIN-1 Homo sapiens	TLV_coat	SER A 343 SER B 343 SER C 343	None	homomer cyclic	-
5hi4	CAT-2000 FAB HEAVY CHAIN INTERLEUKIN-17A Homo sapiens	C1-set V-set IL17	SER A  41 SER C  30 SER C  31	None	heteromer cyclic	27527709
5hlj	VP24 White spot syndrome virus	WSS_VP	SER A 137 SER B 139 SER B 193	None	homomer cyclic	27572278
5i34	ADENYLOSUCCINATE SYNTHETASE Cryptococcus neoformans	Adenylsucc_synt	SER A 247 SER A 249 SER B 255	None	homomer cyclic	27759389
5jea	EXOSOME COMPLEX COMPONENT CSL4 EXOSOME COMPLEX COMPONENT MTR3 Saccharomyces cerevisiae	EXOSC1 RNase_PH	SER F  82 SER I 194 SER I 195	None	heteromer asymmetric	27345150
5jgf	VACUOLAR AMINOPEPTIDASE 1 Saccharomyces cerevisiae	Peptidase_M18	SER A 206 SER B 477 SER B 480	None	homomer tetrahedral	27320913
5jxc	RAS/RAP GTPASE-ACTIVATING PROTEIN SYNGAP Mus musculus	DUF3498	SER A1209 SER B1209 SER C1209	None	homomer asymmetric	27565345
5ljx	ENVELOPMENT POLYPROTEIN Hantaan orthohantavirus	Hanta_G2	SER A  34 SER B 358 SER B 372	None	homomer cyclic	27783711
5mr4	GDNF FAMILY RECEPTOR ALPHA-2 NEURTURIN Homo sapiens	GDNF GDNF TGF_beta	SER A 175 SER C 179 SER C 183	None	heteromer cyclic	29414779
5mzw	GLUTACONATE COA-TRANSFERASE FAMILY, SUBUNIT A GLUTACONATE COA-TRANSFERASE FAMILY, SUBUNIT B Myxococcus xanthus	CoA_trans	SER A  79 SER B  70 SER B  71	None	heteromer cyclic	28508504
5o1r	IGH@ PROTEIN UNCHARACTERIZED PROTEIN Homo sapiens	C1-set V-set	SER H 189 SER L 161 SER L 175	None	heteromer asymmetric	30133484
5o7h	CAS5FV CAS7FV Shewanella putrefaciens	-	SER E 176 SER F 319 SER F 320	None	heteromer asymmetric	28781236
5obt	VACUOLAR-PROCESSING ENZYME GAMMA-ISOZYME Arabidopsis thaliana	Peptidase_C13	SER A 241 SER A 247 SER E 309	None	heteromer asymmetric	29628443
5t5i	TUNGSTEN FORMYLMETHANOFURAN DEHYDROGENASE SUBUNIT FWDF Methanothermobacter wolfeii	Fer4 Fer4_7	SER F 177 SER F 178 SER N 287	None	heteromer cyclic	27846502
5tcs	KINETOCHORE PROTEIN NDC80 KINETOCHORE PROTEIN NUF2 Saccharomyces cerevisiae	Ndc80_HEC Nuf2	SER A 242 SER B  59 SER B  63	None	heteromer asymmetric	27851957
5u1a	FERRITIN,MTRE PROTEIN CHIMERA Helicobacter pylori,Neisseria gonorrhoeae	-	SER B  87 SER E  87 SER E  89	None	homomer octahedral	28781959
5u1b	MTRE PROTEIN,FERRITIN CHIMERA Helicobacter pylori,Neisseria gonorrhoeae	Ferritin	SER A  72 SER B  72 SER B  74	None	homomer octahedral	28781959
5vi4	INTERLEUKIN-1 RECEPTOR-LIKE 1 INTERLEUKIN-33 Mus musculus	IL33 Ig_2	SER A 130 SER A 147 SER B 126	None	heteromer asymmetric	28930661
5vmk	BIFUNCTIONAL PROTEIN GLMU Acinetobacter baumannii	-	SER B 442 SER C 432 SER C 434	None	homomer cyclic	-
5wgc	DAUNORUBICIN-DOXORUBICIN POLYKETIDE SYNTHASE Streptomyces peucetius	ACP_syn_III_C	SER A  98 SER B 190 SER B 332	None	homomer cyclic	29620883
5wqp	PROBABLE DEHYDROGENASE Pseudomonas aeruginosa	adh_short	SER A 145 SER B 160 SER B 164	None	homomer cyclic	28524228
5xlu	GAMMA GLUTAMYL TRANSPEPTIDASE Bacillus licheniformis	G_glu_transpept	SER A 288 SER A 289 SER B 461	AVN B 602	heteromer asymmetric	-
5xu0	MEMBRANE-FUSION PROTEIN Streptococcus pneumoniae	HlyD_D23	SER A 215 SER A 217 SER B 222	None	homomer cyclic	29335499
5y6a	CHAIN A AND B Listeria monocytogenes	-	SER A  45 SER A  49 SER B 105	None	homomer cyclic	29182776
5y6q	ALDEHYDE OXIDASE MEDIUM SUBUNIT ALDEHYDE OXIDASE SMALL SUBUNIT Methylobacillus sp. KY4400	CO_deh_flav_C Fer2 FAD_binding_5 Fer2_2	SER A 134 SER B 237 SER B 238	None	heteromer asymmetric	29319807
5yzc	GLYCOPROTEIN F1,MEASLES VIRUS FUSION PROTEIN Measles morbillivirus	Fusion_gly	SER B 480 SER D 480 SER F 480	None	heteromer cyclic	29463726
5z1g	RIBOSOME BIOGENESIS PROTEIN BRX1 RRNA-PROCESSING PROTEIN EBP2 Saccharomyces cerevisiae	Brix Ebp2	SER A 250 SER D 138 SER D 178	None	heteromer asymmetric	29557065
6byw	GOXA Pseudoalteromonas luteoviolacea	LodA_C LodA_N	SER A 308 SER A 310 SER D 781	None	homomer dihedral	29381339
6cl6	TAIL FIBER PROTEIN Pseudomonas aeruginosa	-	SER A 469 SER A 471 SER B 496	EDO A 705	homomer asymmetric	30110933
6cv6	3-DEHYDROQUINATE DEHYDRATASE Paraburkholderia phymatum	DHquinase_II	SER A  53 SER B  53 SER E  53	None	homomer cyclic	-
6czm	ATP PHOSPHORIBOSYLTRANSFERASE CATALYTIC SUBUNIT Medicago truncatula	HisG HisG_C	SER A 307 SER B 307 SER C 307	None	homomer dihedral	30072492
6elc	VARIANT SURFACE GLYCOPROTEIN Trypanosoma brucei	VSG_B	SER A 288 SER B 288 SER C 288	None	homomer cyclic	29988048
6fij	POLYKETIDE SYNTHASE Cercospora nicotianae	Acyl_transf_1 Ketoacyl-synt_C SAT ketoacyl-synt	SER A 943 SER A 998 SER B  55	None	homomer cyclic	29610486
6g3e	ARGININOSUCCINATE LYASE Chelativorans sp. BNC1	ASL_C2 Lyase_1	SER A 111 SER C 280 SER C 281	FMT C 601	homomer dihedral	29741885