PDBID	Molecule/ Organism	Pfam	Residues	HETATM	Symmetry	Pubmed	View
1wpb	HYPOTHETICAL PROTEIN YFBU Escherichia coli	YfbU	MET A  23 MET E  23 MET U  23 MET X  23	None	homomer octahedral	-
3k4t	VIRION-ASSOCIATED PROTEIN Cauliflower mosaic virus	Cauli_DNA-bind	MET A  21 MET B  21 MET C  21 MET D  21	None	homomer cyclic	20181714
3spc	INWARD-RECTIFIER K+ CHANNEL KIR2.2 Gallus gallus	IRK	MET A 181 MET B 181 MET C 181 MET D 181	None	homomer cyclic	21874019
5yua	ION TRANSPORT PROTEIN Arcobacter butzleri	Ion_trans	MET A1221 MET B1221 MET C1221 MET D1221	None	homomer cyclic	29274127