Annotations: 3MCM

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Penicil_amidase	e3mcmB1	A: alpha arrays	X: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	H: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	T: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	F: Penicil_amidase	ECOD (v295.2)
A	DNA_methylase	e3mcmA2	A: alpha arrays	X: HTH	H: HTH	T: winged helix domain	F: DNA_methylase	ECOD (v295.2)
A	Aldedh	e3mcmA3	A: alpha arrays	X: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	H: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	T: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	F: Aldedh	ECOD (v295.2)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.30.70.560	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	7,8-Dihydro-6-hydroxymethylpterin-pyrophosphokinase HPPK	CATH (4.3.0)
B	3.20.20.20	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Dihydropteroate synthase-like	CATH (4.3.0)
A	3.30.70.560	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	7,8-Dihydro-6-hydroxymethylpterin-pyrophosphokinase HPPK	CATH (4.3.0)
A	3.20.20.20	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Dihydropteroate synthase-like	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	2-amino-4-hydroxy-6-hydroxymethyldihydropteridine pyrophosphokinase/dihydropteroate synthase	2-amino-4-hydroxy-6-hydroxymethyldihydropteridine diphosphokinase activity diphosphotransferase activity transferase activity catalytic activity transferase activity, transferring phosphorus-containing groups dihydropteroate synthase activity transferase activity, transferring alkyl or aryl (other than methyl) groups	folic acid-containing compound biosynthetic process modified amino acid biosynthetic process modified amino acid metabolic process biosynthetic process folic acid-containing compound metabolic process pteridine-containing compound biosynthetic process metabolic process cellular process tetrahydrofolate biosynthetic process pteridine-containing compound metabolic process tetrahydrofolate metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

Chains	Accession	Name	Type
A, B	IPR035907	7,8-Dihydro-6-hydroxymethylpterin-pyrophosphokinase HPPK superfamily	Homologous Superfamily
A, B	IPR011005	Dihydropteroate synthase-like superfamily	Homologous Superfamily
A, B	IPR000550	7,8-Dihydro-6-hydroxymethylpterin-pyrophosphokinase, HPPK	Domain
A, B	IPR045031	Dihydropteroate synthase-like	Family
A, B	IPR006390	Dihydropteroate synthase domain	Domain
A, B	IPR000489	Pterin-binding domain	Domain

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

3MCM | pdb_00003mcm