PDBID	Molecule/ Organism	Pfam	Residues	HETATM	Symmetry	Pubmed	View
2y69	CYTOCHROME C OXIDASE SUBUNIT 1 CYTOCHROME C OXIDASE SUBUNIT 2 Bos taurus	COX1 COX2 COX2_TM	GLY A 329 GLY A 330 THR B  51 THR B  53	None	heteromer asymmetric	21211513
4q52	UNCHARACTERIZED PROTEIN Chitinophaga pinensis	PixA	GLY A 131 GLY A 132 THR A 146 THR D 181	None	homomer cyclic	-