8G4U | pdb_00008g4u

Final ketosynthase+acyltransferase of the erythromycin modular polyketide synthase

External Resource: Annotation

Domain Annotation: ECOD Classification
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)
D	Acyl_transf_1_2nd	e8g4uD4	A: a+b two layers	X: Alpha-beta plaits	H: Probable ACP-binding domain of malonyl-CoA ACP transacylase (From Topology)	T: Probable ACP-binding domain of malonyl-CoA ACP transacylase	F: Acyl_transf_1_2nd	ECOD (1.6)
D	PksD_2	e8g4uD2	A: a+b two layers	X: KS-MAT linker domain in fatty acid synthase (From Topology)	H: KS-MAT linker domain in fatty acid synthase (From Topology)	T: KS-MAT linker domain in fatty acid synthase	F: PksD_2	ECOD (1.6)
D	Acyl_transf_1_1st	e8g4uD1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: FabD/lysophospholipase-like	F: Acyl_transf_1_1st	ECOD (1.6)
D	ketoacyl-synt	e8g4uD3	A: a/b three-layered sandwiches	X: Thiolase-like (From Topology)	H: Thiolase-like (From Topology)	T: Thiolase-like	F: ketoacyl-synt	ECOD (1.6)
D	Ketoacyl-synt_C	e8g4uD5	A: a/b three-layered sandwiches	X: Thiolase-like (From Topology)	H: Thiolase-like (From Topology)	T: Thiolase-like	F: Ketoacyl-synt_C	ECOD (1.6)
C	Acyl_transf_1_2nd	e8g4uC4	A: a+b two layers	X: Alpha-beta plaits	H: Probable ACP-binding domain of malonyl-CoA ACP transacylase (From Topology)	T: Probable ACP-binding domain of malonyl-CoA ACP transacylase	F: Acyl_transf_1_2nd	ECOD (1.6)
C	PksD_2	e8g4uC5	A: a+b two layers	X: KS-MAT linker domain in fatty acid synthase (From Topology)	H: KS-MAT linker domain in fatty acid synthase (From Topology)	T: KS-MAT linker domain in fatty acid synthase	F: PksD_2	ECOD (1.6)
C	Acyl_transf_1_1st	e8g4uC3	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: FabD/lysophospholipase-like	F: Acyl_transf_1_1st	ECOD (1.6)
C	ketoacyl-synt	e8g4uC1	A: a/b three-layered sandwiches	X: Thiolase-like (From Topology)	H: Thiolase-like (From Topology)	T: Thiolase-like	F: ketoacyl-synt	ECOD (1.6)
C	Ketoacyl-synt_C	e8g4uC2	A: a/b three-layered sandwiches	X: Thiolase-like (From Topology)	H: Thiolase-like (From Topology)	T: Thiolase-like	F: Ketoacyl-synt_C	ECOD (1.6)
B	Acyl_transf_1_2nd_1	e8g4uB4	A: a+b two layers	X: Alpha-beta plaits	H: Probable ACP-binding domain of malonyl-CoA ACP transacylase (From Topology)	T: Probable ACP-binding domain of malonyl-CoA ACP transacylase	F: Acyl_transf_1_2nd_1	ECOD (1.6)
B	PksD_2	e8g4uB2	A: a+b two layers	X: KS-MAT linker domain in fatty acid synthase (From Topology)	H: KS-MAT linker domain in fatty acid synthase (From Topology)	T: KS-MAT linker domain in fatty acid synthase	F: PksD_2	ECOD (1.6)
B	Acyl_transf_1_1st	e8g4uB1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: FabD/lysophospholipase-like	F: Acyl_transf_1_1st	ECOD (1.6)
B	ketoacyl-synt	e8g4uB3	A: a/b three-layered sandwiches	X: Thiolase-like (From Topology)	H: Thiolase-like (From Topology)	T: Thiolase-like	F: ketoacyl-synt	ECOD (1.6)
B	Ketoacyl-synt_C	e8g4uB5	A: a/b three-layered sandwiches	X: Thiolase-like (From Topology)	H: Thiolase-like (From Topology)	T: Thiolase-like	F: Ketoacyl-synt_C	ECOD (1.6)
A	Acyl_transf_1_2nd	e8g4uA3	A: a+b two layers	X: Alpha-beta plaits	H: Probable ACP-binding domain of malonyl-CoA ACP transacylase (From Topology)	T: Probable ACP-binding domain of malonyl-CoA ACP transacylase	F: Acyl_transf_1_2nd	ECOD (1.6)
A	PksD_2	e8g4uA5	A: a+b two layers	X: KS-MAT linker domain in fatty acid synthase (From Topology)	H: KS-MAT linker domain in fatty acid synthase (From Topology)	T: KS-MAT linker domain in fatty acid synthase	F: PksD_2	ECOD (1.6)
A	Acyl_transf_1_1st	e8g4uA1	A: a/b three-layered sandwiches	X: Flavodoxin-like	H: Class I glutamine amidotransferase-like	T: FabD/lysophospholipase-like	F: Acyl_transf_1_1st	ECOD (1.6)
A	ketoacyl-synt	e8g4uA4	A: a/b three-layered sandwiches	X: Thiolase-like (From Topology)	H: Thiolase-like (From Topology)	T: Thiolase-like	F: ketoacyl-synt	ECOD (1.6)
A	Ketoacyl-synt_C	e8g4uA2	A: a/b three-layered sandwiches	X: Thiolase-like (From Topology)	H: Thiolase-like (From Topology)	T: Thiolase-like	F: Ketoacyl-synt_C	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF02801	Beta-ketoacyl synthase, C-terminal domain (Ketoacyl-synt_C)	Beta-ketoacyl synthase, C-terminal domain	The structure of beta-ketoacyl synthase is similar to that of the thiolase family (Pfam:PF00108) and also chalcone synthase. The active site of beta-ketoacyl synthase is located between the N and C-terminal domains.	Domain
A, B, C, D	PF16197	Ketoacyl-synthetase C-terminal extension (KAsynt_C_assoc)	Ketoacyl-synthetase C-terminal extension	-	Family
A, B, C, D	PF00698	Acyl transferase domain (Acyl_transf_1)	Acyl transferase domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	EryAIII	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 catalytic activity erythronolide synthase activity fatty acid synthase activity	fatty acid metabolic process monocarboxylic acid biosynthetic process small molecule biosynthetic process oxoacid 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 small molecule metabolic process metabolic process fatty acid metabolic process monocarboxylic acid biosynthetic process small molecule biosynthetic process oxoacid 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 small molecule metabolic process metabolic process cellular 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	-

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	IPR015083	Polyketide synthase NorB/C/GfsB-E-like, docking domain	Domain
A, B, C, D	IPR006162	Phosphopantetheine attachment site	PTM
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	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	IPR020802	Thioesterase TesA-like	Domain
A, B, C, D	IPR032821	Polyketide synthase, C-terminal extension	Domain
A, B, C, D	IPR009081	Phosphopantetheine binding ACP domain	Domain
A, B, C, D	IPR020806	Polyketide synthase-like, phosphopantetheine-binding domain	Domain
A, B, C, D	IPR036299	Polyketide synthase, docking domain superfmaily	Homologous Superfamily
A, B, C, D	IPR029058	Alpha/Beta hydrolase fold	Homologous Superfamily
A, B, C, D	IPR013968	Polyketide synthase-like, ketoreductase 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	IPR001031	Thioesterase	Domain