1B8G

1-AMINOCYCLOPROPANE-1-CARBOXYLATE SYNTHASE

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Structure Motif: Primary M-CSA Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1b8ga_	Alpha and beta proteins (a/b)	PLP-dependent transferase-like	PLP-dependent transferases	GABA-aminotransferase-like	1-aminocyclopropane-1-carboxylate synthase (ACC synthase)	(Malus domestica ) [TaxId: 3750 ],	SCOPe (2.08)
B	d1b8gb_	Alpha and beta proteins (a/b)	PLP-dependent transferase-like	PLP-dependent transferases	GABA-aminotransferase-like	1-aminocyclopropane-1-carboxylate synthase (ACC synthase)	(Malus domestica ) [TaxId: 3750 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	PLP-dependent transferases	8043354	3000954	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	PLP-dependent transferases	8043354	3000954	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	Aminotran_1_2_C	e1b8gA3	A: a+b two layers	X: C-terminal domain in some PLP-dependent transferases (From Topology)	H: C-terminal domain in some PLP-dependent transferases (From Topology)	T: C-terminal domain in some PLP-dependent transferases	F: Aminotran_1_2_C	ECOD (1.6)
A	Aminotran_1_2_N	e1b8gA2	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: Aminotran_1_2_N	ECOD (1.6)
B	Aminotran_1_2_C	e1b8gB3	A: a+b two layers	X: C-terminal domain in some PLP-dependent transferases (From Topology)	H: C-terminal domain in some PLP-dependent transferases (From Topology)	T: C-terminal domain in some PLP-dependent transferases	F: Aminotran_1_2_C	ECOD (1.6)
B	Aminotran_1_2_N	e1b8gB2	A: a/b three-layered sandwiches	X: PLP-dependent transferases (From Topology)	H: PLP-dependent transferases (From Topology)	T: PLP-dependent transferases	F: Aminotran_1_2_N	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.90.1150.10	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1	Aspartate Aminotransferase, domain 1	CATH (4.3.0)
A	3.40.640.10	Alpha Beta	3-Layer(aba) Sandwich	Aspartate Aminotransferase	domain 2	CATH (4.3.0)
B	3.90.1150.10	Alpha Beta	Alpha-Beta Complex	Aspartate Aminotransferase, domain 1	Aspartate Aminotransferase, domain 1	CATH (4.3.0)
B	3.40.640.10	Alpha Beta	3-Layer(aba) Sandwich	Aspartate Aminotransferase	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00155	Aminotransferase class I and II (Aminotran_1_2)	Aminotransferase class I and II	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	PROTEIN (1-AMINOCYCLOPROPANE-1-CARBOXYLATE SYNTHASE)	oxidoreductase activity catalytic activity vitamin binding vitamin B6 binding pyridoxal phosphate binding ion binding binding organic cyclic compound binding anion binding heterocyclic compound binding small molecule binding carbon-sulfur lyase activity 1-aminocyclopropane-1-carboxylate synthase activity lyase activity	developmental process multicellular organismal process reproductive system development reproductive process developmental maturation developmental process involved in reproduction fruit ripening multicellular organism development fruit development anatomical structure maturation anatomical structure development reproductive structure development system development olefinic compound biosynthetic process developmental process multicellular organismal process reproductive system development reproductive process developmental maturation developmental process involved in reproduction fruit ripening multicellular organism development fruit development anatomical structure maturation anatomical structure development reproductive structure development system development olefinic compound biosynthetic process cellular biosynthetic process cellular metabolic process ethylene metabolic process hydrocarbon metabolic process olefin biosynthetic process biosynthetic process cellular alkene metabolic process alkene biosynthetic process ethylene biosynthetic process olefinic compound metabolic process metabolic process cellular process olefin metabolic process hydrocarbon biosynthetic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR050478	Ethylene and sulfur compound biosynthesis-related protein	Family
A, B	IPR015424	Pyridoxal phosphate-dependent transferase	Homologous Superfamily
A, B	IPR004838	Aminotransferases, class-I, pyridoxal-phosphate-binding site	Binding Site
A, B	IPR015421	Pyridoxal phosphate-dependent transferase, major domain	Homologous Superfamily
A, B	IPR015422	Pyridoxal phosphate-dependent transferase, small domain	Homologous Superfamily
A, B	IPR004839	Aminotransferase, class I/classII, large domain	Domain

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

Chains	Enzyme Name	Description	Catalytic Residues
A	1-aminocyclopropane-1-carboxylate synthase M-CSA #418	Catalyzes the formation of 1-aminocyclopropane-1-carboxylate, a direct precursor of ethylene in higher plants	Defined by 4 residues: TYR:A-143 [auth A-145]ASP:A-228 [auth A-230]ILE:A-230 [auth A-232]LYS:A-271 [auth A-273] \| Explore in 3D: M-CSA Motif Definition Search M-CSA Motif EC: 4.4.1.14 (PDB Primary Data) Search M-CSA Motif + EC 4.4.1.14 EC: 1.4 (UniProt) Search M-CSA Motif + EC 1.4

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.