1KKR

CRYSTAL STRUCTURE OF CITROBACTER AMALONATICUS METHYLASPARTATE AMMONIA LYASE CONTAINING (2S,3S)-3-METHYLASPARTIC ACID

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

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1kkra1	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Enolase C-terminal domain-like	D-glucarate dehydratase-like	beta-Methylaspartase	(Citrobacter amalonaticus ) [TaxId: 35703 ],	SCOPe (2.08)
A	d1kkra2	Alpha and beta proteins (a+b)	Enolase N-terminal domain-like	Enolase N-terminal domain-like	Enolase N-terminal domain-like	beta-Methylaspartase	(Citrobacter amalonaticus ) [TaxId: 35703 ],	SCOPe (2.08)
B	d1kkrb1	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Enolase C-terminal domain-like	D-glucarate dehydratase-like	beta-Methylaspartase	(Citrobacter amalonaticus ) [TaxId: 35703 ],	SCOPe (2.08)
B	d1kkrb2	Alpha and beta proteins (a+b)	Enolase N-terminal domain-like	Enolase N-terminal domain-like	Enolase N-terminal domain-like	beta-Methylaspartase	(Citrobacter amalonaticus ) [TaxId: 35703 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Enolase N-terminal domain-like	8038307	3001064	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Enolase C-terminal domain-like	8038305	3000476	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Enolase N-terminal domain-like	8038307	3001064	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Enolase C-terminal domain-like	8038305	3000476	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	MAAL_N	e1kkrA1	A: a+b two layers	X: Enolase-N/ribosomal protein	H: Enolase N-terminal domain-like (From Topology)	T: Enolase N-terminal domain-like	F: MAAL_N	ECOD (1.6)
A	MAAL_C	e1kkrA2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: MAAL_C	ECOD (1.6)
B	MAAL_N	e1kkrB1	A: a+b two layers	X: Enolase-N/ribosomal protein	H: Enolase N-terminal domain-like (From Topology)	T: Enolase N-terminal domain-like	F: MAAL_N	ECOD (1.6)
B	MAAL_C	e1kkrB2	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels (From Topology)	T: TIM barrels	F: MAAL_C	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.390.10	Alpha Beta	2-Layer Sandwich	Enolase-like	domain 1	CATH (4.3.0)
A	3.20.20.120	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Enolase-like C-terminal domain	CATH (4.3.0)
B	3.30.390.10	Alpha Beta	2-Layer Sandwich	Enolase-like	domain 1	CATH (4.3.0)
B	3.20.20.120	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Enolase-like C-terminal domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF05034	Methylaspartate ammonia-lyase N-terminus (MAAL_N)	Methylaspartate ammonia-lyase N-terminus	-	Family
A, B	PF07476	Methylaspartate ammonia-lyase C-terminus (MAAL_C)	Methylaspartate ammonia-lyase C-terminus	Methylaspartate ammonia-lyase EC:4.3.1.2 catalyses the second step of fermentation of glutamate. It is a homodimer. This family represents the C-terminal region of Methylaspartate ammonia-lyase and contains a TIM barrel fold similar to the Pfam:PF011 ...	Methylaspartate ammonia-lyase EC:4.3.1.2 catalyses the second step of fermentation of glutamate. It is a homodimer. This family represents the C-terminal region of Methylaspartate ammonia-lyase and contains a TIM barrel fold similar to the Pfam:PF01188. This family represents the catalytic domain and contains a metal binding site [2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	3-METHYLASPARTATE AMMONIA-LYASE	methylaspartate ammonia-lyase activity lyase activity ammonia-lyase activity catalytic activity carbon-nitrogen lyase activity cation binding ion binding binding metal ion binding small molecule binding	catabolic process oxoacid metabolic process glutamine family amino acid catabolic process amino acid metabolic process organic acid metabolic process dicarboxylic acid catabolic process organic acid catabolic process alpha-amino acid metabolic process glutamine family amino acid metabolic process cellular catabolic process carboxylic acid catabolic process glutamate metabolic process small molecule metabolic process amino acid catabolic process catabolic process oxoacid metabolic process glutamine family amino acid catabolic process amino acid metabolic process organic acid metabolic process dicarboxylic acid catabolic process organic acid catabolic process alpha-amino acid metabolic process glutamine family amino acid metabolic process cellular catabolic process carboxylic acid catabolic process glutamate metabolic process small molecule metabolic process amino acid catabolic process glutamate catabolic process dicarboxylic acid metabolic process carboxylic acid metabolic process L-amino acid catabolic process primary metabolic process glutamate catabolic process via L-citramalate L-amino acid metabolic process proteinogenic amino acid metabolic process alpha-amino acid catabolic process proteinogenic amino acid catabolic process metabolic process cellular process small molecule catabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR006395	Methylaspartate ammonia-lyase	Family
A, B	IPR022662	Methylaspartate ammonia-lyase, C-terminal	Domain
A, B	IPR029017	Enolase-like, N-terminal	Homologous Superfamily
A, B	IPR022665	Methylaspartate ammonia-lyase, N-terminal	Domain
A, B	IPR036849	Enolase-like, C-terminal domain superfamily	Homologous Superfamily

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.