4QUV | pdb_00004quv

Structure of an integral membrane delta(14)-sterol reductase

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: MemProtMD
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	IM steroid reductase-like	8048744	4006200	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	ICMT-like	8090570	3002446	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	ICMT-like	8090570	3002446	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)
A	ERG4_ERG24	e4quvA1	A: a/b three-layered sandwiches	X: Protein kinase/SAICAR synthase/ATP-grasp	H: Protein kinase/SAICAR synthase/ATP-grasp	T: Protein kinase	F: ERG4_ERG24	ECOD (v294.1)
A	ERG4_ERG24	e4quvA2	A: a/b three-layered sandwiches	X: Protein kinase/SAICAR synthase/ATP-grasp	H: Protein kinase/SAICAR synthase/ATP-grasp	T: Protein kinase	F: ERG4_ERG24	ECOD (v294.1)
B	ERG4_ERG24	e4quvB1	A: a/b three-layered sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: N-terminal domain of Delta(14)-sterol reductase, MaSR1	F: ERG4_ERG24	ECOD (v294.1)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Delta(14)-sterol reductase	oxidoreductase activity oxidoreductase activity, acting on the CH-CH group of donors, NAD or NADP as acceptor oxidoreductase activity, acting on the CH-CH group of donors catalytic activity Delta14-sterol reductase activity binding nucleoside phosphate binding purine nucleotide binding adenyl nucleotide binding nucleotide binding heterocyclic compound binding NADP binding small molecule binding	secondary alcohol biosynthetic process small molecule biosynthetic process steroid metabolic process sterol metabolic process lipid biosynthetic process primary metabolic process alcohol metabolic process ergosterol biosynthetic process phytosteroid biosynthetic process secondary alcohol metabolic process biosynthetic process sterol biosynthetic process alcohol biosynthetic process metabolic process secondary alcohol biosynthetic process small molecule biosynthetic process steroid metabolic process sterol metabolic process lipid biosynthetic process primary metabolic process alcohol metabolic process ergosterol biosynthetic process phytosteroid biosynthetic process secondary alcohol metabolic process biosynthetic process sterol biosynthetic process alcohol biosynthetic process metabolic process cellular process small molecule metabolic process ergosterol metabolic process steroid biosynthetic process lipid metabolic process	cell periphery cellular anatomical structure plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR018083	Sterol reductase, conserved site	Conserved Site
A, B	IPR001171	Sterol biosynthesis ERG24/DHCR-like	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B	OPM	Transmembrane	Alpha-helical polytopic	Ergosterol reductase family	Ergosterol reductase family

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: MemProtMD MemProtMD Database Homepage

Chains	External Link	Comment
A, B	MemProtMD	Annotated as membrane protein by MemProtMD

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	Sterol Reductases	Δ¹⁴ Sterol reductase

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.

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