PDBID	Molecule/ Organism	Pfam	Residues	HETATM	Symmetry	Pubmed	View
1nxh	MTH396 PROTEIN Methanothermobacter thermautotrophicus	DUF1959	SER A  73 ASP A  74 SER B 273 ASP B 274	None	homomer cyclic	-
1q7e	HYPOTHETICAL PROTEIN YFDW Escherichia coli	CoA_transf_3	ASP A 130 ASP A 204 SER B 355 SER B 357	None	homomer cyclic	14993676
1qgn	PROTEIN (CYSTATHIONINE GAMMA-SYNTHASE) Nicotiana tabacum	Cys_Met_Meta_PP	ASP A 430 ASP A 433 SER D  56 SER D  59	None	homomer dihedral	10438597
3zxq	HYPOXIA SENSOR HISTIDINE KINASE RESPONSE REGULATOR DOST Mycobacterium tuberculosis	HATPase_c	ASP A 519 SER A 569 ASP B 519 SER B 569	None	homomer cyclic	23486471
5efv	PHI ETA ORF 56-LIKE PROTEIN Staphylococcus virus 11	-	ASP A 155 SER A 157 ASP B 441 SER B 442	None	homomer asymmetric	27282779
5nxf	LONG-TAIL FIBER PROXIMAL SUBUNIT Escherichia virus T4	-	ASP A 889 ASP C 892 SER C 893 SER C 894	NA A1307	homomer asymmetric	28665339
5yn3	XYLOSE ISOMERASE Piromyces sp. E2	AP_endonuc_2	SER A 347 ASP A 349 ASP A 352 SER B 423	None	homomer dihedral	29385668