3QP9

The Structure of a C2-type Ketoreductase from a Modular Polyketide Synthase

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	KR_1_SDR_x	e3qp9A2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: KR_1_SDR_x	ECOD (1.6)
A	adh_short_C2_1	e3qp9A1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: adh_short_C2_1	ECOD (1.6)
B	KR_1_SDR_x	e3qp9B1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: KR_1_SDR_x	ECOD (1.6)
B	adh_short_C2_1	e3qp9B2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: adh_short_C2_1	ECOD (1.6)
C	KR_1_SDR_x	e3qp9C2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: KR_1_SDR_x	ECOD (1.6)
C	adh_short_C2_1	e3qp9C1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: adh_short_C2_1	ECOD (1.6)
D	KR_1_SDR_x	e3qp9D1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: KR_1_SDR_x	ECOD (1.6)
D	adh_short_C2_1	e3qp9D2	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: adh_short_C2_1	ECOD (1.6)

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)
B	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)
D	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	PF08659	KR domain (KR)	KR domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Type I polyketide synthase PikAII	oxidoreductase activity catalytic activity vitamin binding amide binding modified amino acid binding binding phosphopantetheine binding small molecule binding acyltransferase activity 3-oxoacyl-[acyl-carrier-protein] synthase activity acyltransferase activity, transferring groups other than amino-acyl groups transferase activity fatty acid synthase activity cation binding oxidoreductase activity catalytic activity vitamin binding amide binding modified amino acid binding binding phosphopantetheine binding small molecule binding acyltransferase activity 3-oxoacyl-[acyl-carrier-protein] synthase activity acyltransferase activity, transferring groups other than amino-acyl groups transferase activity fatty acid synthase activity cation binding transition metal ion binding zinc ion binding ion binding metal ion binding	cellular component biogenesis cellular component organization peptidoglycan-based cell wall biogenesis cellular component assembly cell wall biogenesis DIM/DIP cell wall layer assembly cell wall organization or biogenesis cellular process Actinobacterium-type cell wall biogenesis cellular component organization or biogenesis fatty acid metabolic process monocarboxylic acid biosynthetic process small molecule biosynthetic process oxoacid metabolic process cellular component biogenesis cellular component organization peptidoglycan-based cell wall biogenesis cellular component assembly cell wall biogenesis DIM/DIP cell wall layer assembly cell wall organization or biogenesis cellular process Actinobacterium-type cell wall biogenesis cellular component organization or biogenesis fatty acid metabolic process monocarboxylic acid biosynthetic process small molecule biosynthetic process oxoacid metabolic process cellular biosynthetic process cellular metabolic process carboxylic acid metabolic process lipid biosynthetic process primary metabolic process organic acid biosynthetic process organic acid metabolic process fatty acid biosynthetic process carboxylic acid biosynthetic process biosynthetic process cellular lipid metabolic process small molecule metabolic process metabolic process monocarboxylic acid metabolic process lipid metabolic process macrolide biosynthetic process polyketide metabolic process macrolide metabolic process secondary metabolic process antibiotic biosynthetic process antibiotic metabolic process polyketide biosynthetic process secondary metabolite biosynthetic process lactone metabolic process lactone biosynthetic process	cell periphery plasma membrane membrane cellular anatomical entity intracellular anatomical structure cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR016035	Acyl transferase/acyl hydrolase/lysophospholipase	Homologous Superfamily
A, B, C, D	IPR014031	Beta-ketoacyl synthase, C-terminal	Domain
A, B, C, D	IPR006162	Phosphopantetheine attachment site	PTM
A, B, C, D	IPR013154	Alcohol dehydrogenase-like, N-terminal	Domain
A, B, C, D	IPR020807	Polyketide synthase, dehydratase domain	Domain
A, B, C, D	IPR049552	Polyketide synthase, dehydratase domain, N-terminal	Domain
A, B, C, D	IPR002364	Quinone oxidoreductase/zeta-crystallin, conserved site	Conserved Site
A, B, C, D	IPR049551	Polyketide synthase, dehydratase domain, C-terminal	Domain
A, B, C, D	IPR020843	Polyketide synthase, enoylreductase domain	Domain
A, B, C, D	IPR013968	Polyketide synthase, ketoreductase domain	Domain
A, B, C, D	IPR016036	Malonyl-CoA ACP transacylase, ACP-binding	Homologous Superfamily
A, B, C, D	IPR050091	Polyketide and Nonribosomal Peptide Biosynthesis Enzymes	Family
A, B, C, D	IPR020806	Polyketide synthase, phosphopantetheine-binding domain	Domain
A, B, C, D	IPR020841	Polyketide synthase, beta-ketoacyl synthase domain	Domain
A, B, C, D	IPR036736	ACP-like superfamily	Homologous Superfamily
A, B, C, D	IPR014043	Acyl transferase domain	Domain
A, B, C, D	IPR015083	Polyketide synthase, docking domain	Domain
A, B, C, D	IPR032821	Polyketide synthase, C-terminal extension	Domain
A, B, C, D	IPR011032	GroES-like superfamily	Homologous Superfamily
A, B, C, D	IPR009081	Phosphopantetheine binding ACP domain	Domain
A, B, C, D	IPR016039	Thiolase-like	Homologous Superfamily
A, B, C, D	IPR001227	Acyl transferase domain superfamily	Homologous Superfamily
A, B, C, D	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A, B, C, D	IPR018201	Beta-ketoacyl synthase, active site	Active Site
A, B, C, D	IPR014030	Beta-ketoacyl synthase-like, N-terminal	Domain
A, B, C, D	IPR042104	Polyketide synthase, dehydratase domain superfamily	Homologous Superfamily
A, B, C, D	IPR049900	Polyketide/metazoan fatty acid synthase, dehydratase domain	Domain