Annotations: 2O4C

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	T2SSE	e2o4cA1	A: alpha bundles	X: Kazal-type serine protease inhibitors-like	H: Kazal-type serine protease inhibitors	T: Kazal-type serine protease inhibitors	F: T2SSE	ECOD (develop294)
A	CBS	e2o4cA2	A: alpha bundles	X: Thioredoxin-like	H: ClpP/crotonase	T: ClpP/crotonase	F: CBS	ECOD (develop294)
B	Glucokinase	e2o4cB2	A: alpha bundles	X: beta-Grasp	H: HTH	T: winged helix domain	F: Glucokinase	ECOD (develop294)
B	AmoC	e2o4cB1	A: alpha bundles	X: jelly-roll	H: Double-stranded beta-helix	T: Double-stranded beta-helix	F: AmoC	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
A	3.30.1370.170	Alpha Beta	2-Layer Sandwich	Ribosomal Protein S8	Chain: A, domain 1	CATH (4.3.0)
B	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
B	3.30.1370.170	Alpha Beta	2-Layer Sandwich	Ribosomal Protein S8	Chain: A, domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02826	D-isomer specific 2-hydroxyacid dehydrogenase, NAD binding domain (2-Hacid_dh_C)	D-isomer specific 2-hydroxyacid dehydrogenase, NAD binding domain	This domain is inserted into the catalytic domain, the large dehydrogenase and D-lactate dehydrogenase families in SCOP. N-terminal portion of which is represented by family Pfam:PF00389.	Domain
A, B	PF11890	Domain of unknown function (DUF3410) (DUF3410)	Domain of unknown function (DUF3410)	-	Family
A, B	PF00389	D-isomer specific 2-hydroxyacid dehydrogenase, catalytic domain (2-Hacid_dh)	D-isomer specific 2-hydroxyacid dehydrogenase, catalytic domain	This family represents the largest portion of the catalytic domain of 2-hydroxyacid dehydrogenases as the NAD binding domain is inserted within the structural domain.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Erythronate-4-phosphate dehydrogenase	oxidoreductase activity oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor oxidoreductase activity, acting on CH-OH group of donors catalytic activity 4-phosphoerythronate dehydrogenase activity NAD binding binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding small molecule binding protein binding oxidoreductase activity oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor oxidoreductase activity, acting on CH-OH group of donors catalytic activity 4-phosphoerythronate dehydrogenase activity NAD binding binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding small molecule binding protein binding protein dimerization activity	vitamin B6 biosynthetic process water-soluble vitamin biosynthetic process small molecule biosynthetic process pyridine-containing compound biosynthetic process vitamin biosynthetic process pyridoxine biosynthetic process vitamin metabolic process pyridoxine metabolic process biosynthetic process pyridine-containing compound metabolic process vitamin B6 metabolic process metabolic process cellular process small molecule metabolic process vitamin B6 biosynthetic process water-soluble vitamin biosynthetic process small molecule biosynthetic process pyridine-containing compound biosynthetic process vitamin biosynthetic process pyridoxine biosynthetic process vitamin metabolic process pyridoxine metabolic process biosynthetic process pyridine-containing compound metabolic process vitamin B6 metabolic process metabolic process cellular process small molecule metabolic process 'de novo' pyridoxal 5'-phosphate biosynthetic process aldehyde biosynthetic process aldehyde metabolic process organophosphate metabolic process organophosphate biosynthetic process pyridoxal phosphate biosynthetic process phosphate-containing compound metabolic process phosphorus metabolic process pyridoxal phosphate metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR038251	PdxB, dimerisation domain superfamily	Homologous Superfamily
A, B	IPR006139	D-isomer specific 2-hydroxyacid dehydrogenase, catalytic domain	Domain
A, B	IPR020921	Erythronate-4-phosphate dehydrogenase	Family
A, B	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A, B	IPR024531	Erythronate-4-phosphate dehydrogenase, dimerisation domain	Domain
A, B	IPR029753	D-isomer specific 2-hydroxyacid dehydrogenase, NAD-binding domain conserved site	Conserved Site
A, B	IPR006140	D-isomer specific 2-hydroxyacid dehydrogenase, NAD-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.