7M7J | pdb_00007m7j

6-Deoxyerythronolide B synthase (DEBS) module 1 in complex with antibody fragment 1B2: "turnstile closed" state (TE-free)

External Resource: Annotation

Domain Annotation: ECOD Classification
SAbDab Antibody Annotation
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)
F	C1-set_4	e7m7jF2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_4	ECOD (1.6)
F	V-set	e7m7jF1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)
D	C1-set_4	e7m7jD2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_4	ECOD (1.6)
D	V-set	e7m7jD1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set	ECOD (1.6)
E	C1-set_1	e7m7jE2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
E	V-set_12	e7m7jE1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)
C	C1-set_1	e7m7jC2	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: C1-set_1	ECOD (1.6)
C	V-set_12	e7m7jC1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: V-set_12	ECOD (1.6)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
D, F	Light Chain	IGKV2	Kappa	eryai	SAbDab (2025-12-19)
C, E	Heavy Chain	IGHV3	-	eryai	SAbDab (2025-12-19)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B], B [auth A]	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 [auth B], B [auth A]	PF00109	Beta-ketoacyl synthase, N-terminal domain (ketoacyl-synt)	Beta-ketoacyl synthase, N-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. The N-terminal domain contains m ...	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. The N-terminal domain contains most of the structures involved in dimer formation and also the active site cysteine [1].	Domain
A [auth B], B [auth A]	PF16197	Ketoacyl-synthetase C-terminal extension (KAsynt_C_assoc)	Ketoacyl-synthetase C-terminal extension	-	Family
A [auth B], B [auth A]	PF08659	KR domain (KR)	KR domain	-	Family
A [auth B], B [auth A]	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
D, F	1B2 (light chain)	-	-	-
C, E	1B2 (heavy chain)	-	-	-
A [auth B], B [auth A]	EryAI	acyltransferase activity erythronolide synthase activity acyltransferase activity, transferring groups other than amino-acyl groups transferase activity catalytic activity vitamin binding amide binding modified amino acid binding binding phosphopantetheine binding small molecule binding fatty acid synthase activity 3-oxoacyl-[acyl-carrier-protein] 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 [auth B], B [auth A]	IPR016035	Acyl transferase/acyl hydrolase/lysophospholipase	Homologous Superfamily
A [auth B], B [auth A]	IPR014031	Beta-ketoacyl synthase, C-terminal	Domain
A [auth B], B [auth A]	IPR006162	Phosphopantetheine attachment site	PTM
A [auth B], B [auth A]	IPR032821	Polyketide synthase, C-terminal extension	Domain
A [auth B], B [auth A]	IPR009081	Phosphopantetheine binding ACP domain	Domain
A [auth B], B [auth A]	IPR020806	Polyketide synthase-like, phosphopantetheine-binding domain	Domain
A [auth B], B [auth A]	IPR013968	Polyketide synthase-like, ketoreductase domain	Domain
A [auth B], B [auth A]	IPR016039	Thiolase-like	Homologous Superfamily
A [auth B], B [auth A]	IPR001227	Acyl transferase domain superfamily	Homologous Superfamily
A [auth B], B [auth A]	IPR016036	Malonyl-CoA ACP transacylase, ACP-binding	Homologous Superfamily
A [auth B], B [auth A]	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A [auth B], B [auth A]	IPR050091	Polyketide and Nonribosomal Peptide Biosynthesis Enzymes	Family
A [auth B], B [auth A]	IPR018201	Beta-ketoacyl synthase, active site	Active Site
A [auth B], B [auth A]	IPR014030	Beta-ketoacyl synthase-like, N-terminal	Domain
A [auth B], B [auth A]	IPR020841	Polyketide synthase, beta-ketoacyl synthase domain	Domain
A [auth B], B [auth A]	IPR036736	ACP-like superfamily	Homologous Superfamily
A [auth B], B [auth A]	IPR014043	Acyl transferase domain	Domain
A [auth B], B [auth A]	IPR016035	Acyl transferase/acyl hydrolase/lysophospholipase	Homologous Superfamily
A [auth B], B [auth A]	IPR014031	Beta-ketoacyl synthase, C-terminal	Domain
A [auth B], B [auth A]	IPR006162	Phosphopantetheine attachment site	PTM
A [auth B], B [auth A]	IPR032821	Polyketide synthase, C-terminal extension	Domain
A [auth B], B [auth A]	IPR057326	Ketoreductase domain	Domain
A [auth B], B [auth A]	IPR009081	Phosphopantetheine binding ACP domain	Domain
A [auth B], B [auth A]	IPR020806	Polyketide synthase-like, phosphopantetheine-binding domain	Domain
A [auth B], B [auth A]	IPR013968	Polyketide synthase-like, ketoreductase domain	Domain
A [auth B], B [auth A]	IPR016039	Thiolase-like	Homologous Superfamily
A [auth B], B [auth A]	IPR001227	Acyl transferase domain superfamily	Homologous Superfamily
A [auth B], B [auth A]	IPR016036	Malonyl-CoA ACP transacylase, ACP-binding	Homologous Superfamily
A [auth B], B [auth A]	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A [auth B], B [auth A]	IPR050091	Polyketide and Nonribosomal Peptide Biosynthesis Enzymes	Family
A [auth B], B [auth A]	IPR018201	Beta-ketoacyl synthase, active site	Active Site
A [auth B], B [auth A]	IPR014030	Beta-ketoacyl synthase-like, N-terminal	Domain
A [auth B], B [auth A]	IPR020841	Polyketide synthase, beta-ketoacyl synthase domain	Domain
A [auth B], B [auth A]	IPR036736	ACP-like superfamily	Homologous Superfamily
A [auth B], B [auth A]	IPR014043	Acyl transferase domain	Domain