Annotations: 1E3S

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
D	d1e3sd_	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Tyrosine-dependent oxidoreductases	Type II 3-hydroxyacyl-CoA dehydrogenase	NORWAY RAT (Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)
C	d1e3sc_	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Tyrosine-dependent oxidoreductases	Type II 3-hydroxyacyl-CoA dehydrogenase	NORWAY RAT (Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)
B	d1e3sb_	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Tyrosine-dependent oxidoreductases	Type II 3-hydroxyacyl-CoA dehydrogenase	NORWAY RAT (Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)
A	d1e3sa_	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	Tyrosine-dependent oxidoreductases	Type II 3-hydroxyacyl-CoA dehydrogenase	NORWAY RAT (Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	SDR-like	8057153	3000038	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	SDR-like	8057153	3000038	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	SDR-like	8057153	3000038	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	SDR-like	8057153	3000038	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		e1e3sD1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: NAD_binding_3	F:	ECOD (20:10:01)
C		e1e3sC1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: NAD_binding_3	F:	ECOD (20:10:01)
B		e1e3sB1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: NAD_binding_3	F:	ECOD (20:10:01)
A		e1e3sA1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: NAD_binding_3	F:	ECOD (20:10:01)

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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00106	short chain dehydrogenase (adh_short)	short chain dehydrogenase	This family contains a wide variety of dehydrogenases.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	SHORT CHAIN 3-HYDROXYACYL-COA 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 3-hydroxy-2-methylbutyryl-CoA dehydrogenase activity catalytic activity steroid dehydrogenase activity steroid dehydrogenase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor isoursodeoxycholate 7-beta-dehydrogenase (NAD+) activity testosterone dehydrogenase (NAD+) activity 17-beta-hydroxysteroid dehydrogenase (NAD+) activity amyloid-beta binding binding peptide binding cholate 7-alpha-dehydrogenase (NAD+) activity 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 3-hydroxy-2-methylbutyryl-CoA dehydrogenase activity catalytic activity steroid dehydrogenase activity steroid dehydrogenase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor isoursodeoxycholate 7-beta-dehydrogenase (NAD+) activity testosterone dehydrogenase (NAD+) activity 17-beta-hydroxysteroid dehydrogenase (NAD+) activity amyloid-beta binding binding peptide binding cholate 7-alpha-dehydrogenase (NAD+) activity RNA binding tRNA binding nucleic acid binding chenodeoxycholate 7-alpha-dehydrogenase (NAD+) activity (3S)-3-hydroxyacyl-CoA dehydrogenase (NAD+) activity androstan-3-alpha,17-beta-diol dehydrogenase (NAD+) activity ursodeoxycholate 7-beta-dehydrogenase (NAD+) activity acetoacetyl-CoA reductase activity steroid binding lipid binding NAD binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding small molecule binding transcription factor binding RNA polymerase II-specific DNA-binding transcription factor binding nuclear receptor binding protein binding DNA-binding transcription factor binding nuclear estrogen receptor binding estradiol 17-beta-dehydrogenase [NAD(P)+] activity identical protein binding	developmental process multicellular organismal process gonad development reproductive system development reproductive process sex differentiation animal organ development developmental process involved in reproduction male gonad development male sex differentiation multicellular organism development development of primary male sexual characteristics development of primary sexual characteristics anatomical structure development reproductive structure development developmental process multicellular organismal process gonad development reproductive system development reproductive process sex differentiation animal organ development developmental process involved in reproduction male gonad development male sex differentiation multicellular organism development development of primary male sexual characteristics development of primary sexual characteristics anatomical structure development reproductive structure development system development cellular developmental process cell differentiation cellular process Leydig cell differentiation regulation of hormone levels steroid metabolic process biological regulation androgen metabolic process primary metabolic process metabolic process regulation of biological quality hormone metabolic process lipid metabolic process fatty acid metabolic process lipid catabolic process catabolic process oxoacid metabolic process carboxylic acid metabolic process lipid modification organic acid metabolic process organic acid catabolic process fatty acid catabolic process monocarboxylic acid catabolic process fatty acid oxidation carboxylic acid catabolic process fatty acid beta-oxidation small molecule metabolic process monocarboxylic acid metabolic process lipid oxidation small molecule catabolic process estrogen metabolic process protein-containing complex organization protein homotetramerization cellular component organization cellular component biogenesis cellular component assembly protein complex oligomerization protein tetramerization protein-containing complex assembly protein homooligomerization cellular component organization or biogenesis mitochondrial tRNA modification RNA metabolic process mitochondrial gene expression nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process mitochondrial RNA processing tRNA processing mitochondrial RNA modification RNA processing mitochondrial tRNA methylation mitochondrial tRNA processing tRNA modification gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process macromolecule methylation tRNA metabolic process RNA modification biosynthetic process methylation macromolecule modification macromolecule metabolic process mitochondrial RNA metabolic process RNA methylation tRNA methylation bile acid biosynthetic process monocarboxylic acid biosynthetic process small molecule biosynthetic process organic acid biosynthetic process carboxylic acid biosynthetic process bile acid metabolic process ketone metabolic process brexanolone metabolic process C21-steroid hormone metabolic process mitochondrial tRNA 5'-end processing tRNA 5'-end processing mitochondrial RNA 5'-end processing RNA 5'-end processing mitochondrial tRNA 3'-end processing RNA 3'-end processing tRNA 3'-end processing mitochondrial RNA 3'-end processing organelle organization mitochondrion organization amino acid metabolic process alpha-amino acid metabolic process branched-chain amino acid catabolic process L-isoleucine catabolic process branched-chain amino acid metabolic process amino acid catabolic process L-amino acid catabolic process L-amino acid metabolic process proteinogenic amino acid metabolic process alpha-amino acid catabolic process proteinogenic amino acid catabolic process isoleucine metabolic process	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle protein-containing complex catalytic complex methyltransferase complex transferase complex tRNA methyltransferase complex mitochondrial protein-containing complex membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle protein-containing complex catalytic complex methyltransferase complex transferase complex tRNA methyltransferase complex mitochondrial protein-containing complex ribonuclease P complex endonuclease complex endoribonuclease complex ribonucleoprotein complex mitochondrial ribonuclease P complex intracellular protein-containing complex membrane-enclosed lumen intracellular membraneless organelle nucleoid mitochondrial matrix intracellular organelle lumen organelle lumen membraneless organelle mitochondrial nucleoid endoplasmic reticulum endomembrane system

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR002347	Short-chain dehydrogenase/reductase SDR	Family
A, B, C, D	IPR020904	Short-chain dehydrogenase/reductase, conserved site	Conserved Site
A, B, C, D	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily

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.