PDBID	Molecule/ Organism	Pfam	Residues	HETATM	Symmetry	Pubmed	View
2b2c	SPERMIDINE SYNTHASE Caenorhabditis elegans	Spermine_synt_N Spermine_synth	VAL A 298 ALA A 301 ALA A 302 VAL B 304	None	homomer cyclic	16226262
2o07	SPERMIDINE SYNTHASE Homo sapiens	Spermine_synt_N Spermine_synth	VAL A 283 ALA A 286 ALA A 287 VAL B 289	None	homomer cyclic	17585781
4f4o	HEMOGLOBIN SUBUNIT ALPHA HEMOGLOBIN SUBUNIT BETA Sus scrofa	Globin	VAL A 107 ALA A 110 ALA A 111 VAL B 112	None	heteromer cyclic	22922649
5bza	BETA-N-ACETYLHEXOSAMINIDASE Thermotoga neapolitana	Glyco_hydro_3	VAL A 328 ALA A 332 ALA B  83 VAL B  87	None	homomer cyclic	26187666
5o95	RIBOSOMAL RNA SMALL SUBUNIT METHYLTRANSFERASE E Legionella pneumophila	Methyltrans_RNA	VAL A 236 ALA A 239 ALA A 240 VAL B 236	None	homomer cyclic	28940762
5x3t	ANTITOXIN VAPB26 Mycobacterium tuberculosis	RHH_1	VAL A  16 ALA A  19 ALA A  20 VAL C  39	None	heteromer cyclic	28575388