PDBID Molecule/
Organism		 Pfam Residues HETATM Symmetry Pubmed View
3hrd NICOTINATE DEHYDROGENASE MEDIUM MOLYBDOPTERIN SUBUNIT
Eubacterium barkeri		Ald_Xan_dh_C2GLN B 103
ALA B 159
GLN F 103
ALA F 159
None
heteromer
cyclic		19549881
4yt2 H(2)-FORMING METHYLENETETRAHYDROMETHANOPTERIN DEHYDROGENASE-RELATED PROTEIN MJ1338
Methanocaldococcus jannaschii		HMDGLN A 253
ALA A 323
GLN B 253
ALA B 323
None
homomer
cyclic		26094576