Annotations: 4CUK

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	D-2-hydroxyacid dehydrogenase-like	8078021	3000044	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	D-2-hydroxyacid dehydrogenase-like	8078021	3000044	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	D-2-hydroxyacid dehydrogenase-like	8078021	3000044	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	D-2-hydroxyacid dehydrogenase-like	8078021	3000044	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	2-Hacid_dh_C	e4cukD1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: 2-Hacid_dh_C	ECOD (1.6)
D	2-Hacid_dh	e4cukD2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: Formate/glycerate dehydrogenase catalytic domain-like	F: 2-Hacid_dh	ECOD (1.6)
C	2-Hacid_dh_C	e4cukC2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: 2-Hacid_dh_C	ECOD (1.6)
C	2-Hacid_dh	e4cukC1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: Formate/glycerate dehydrogenase catalytic domain-like	F: 2-Hacid_dh	ECOD (1.6)
B	2-Hacid_dh_C	e4cukB1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: 2-Hacid_dh_C	ECOD (1.6)
B	2-Hacid_dh	e4cukB2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: Formate/glycerate dehydrogenase catalytic domain-like	F: 2-Hacid_dh	ECOD (1.6)
A	2-Hacid_dh_C	e4cukA2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: 2-Hacid_dh_C	ECOD (1.6)
A	2-Hacid_dh	e4cukA1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: Formate/glycerate dehydrogenase catalytic domain-like	F: 2-Hacid_dh	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
C	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	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)
A	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	D-LACTATE DEHYDROGENASE	NAD binding binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding small molecule binding oxidoreductase activity (2R)-oxo-acid reductase activity (2R)-2-hydroxyacid dehydrogenase (NAD+) 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 D-lactate dehydrogenase (NAD+) activity NAD binding binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding small molecule binding oxidoreductase activity (2R)-oxo-acid reductase activity (2R)-2-hydroxyacid dehydrogenase (NAD+) 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 D-lactate dehydrogenase (NAD+) activity lactate dehydrogenase activity D-lactate dehydrogenase activity catalytic activity	-	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR006139	D-isomer specific 2-hydroxyacid dehydrogenase, catalytic domain	Domain
A, B, C, D	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A, B, C, D	IPR029752	D-isomer specific 2-hydroxyacid dehydrogenase, NAD-binding domain conserved site 1	Conserved Site
A, B, C, D	IPR029753	D-isomer specific 2-hydroxyacid dehydrogenase, NAD-binding domain conserved site	Conserved Site
A, B, C, D	IPR058205	D-lactate dehydrogenase-like	Family
A, B, C, D	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.