Accession	MF_00555
Dates	16-MAY-2002 (Created) 23-MAR-2009 (Last updated, Version 22)

Data class

Protein

Predictors

HAMAP; MF_00555; [distribution of match scores in UniProtKB];[seed alignment for MF_00555]

Identifier

ASNA

Protein name

RecName: Full=Aspartate--ammonia ligase; EC=6.3.1.1; AltName: Full=Asparagine synthetase A;

Gene name

asnA

CATALYTIC ACTIVITY: ATP + L-aspartate + NH(3) = AMP + diphosphate + L-asparagine.

PATHWAY: Amino-acid biosynthesis; L-asparagine biosynthesis; L-asparagine from L-aspartate (ammonia route): step 1/1.

SUBCELLULAR LOCATION: Cytoplasm (By similarity).

SIMILARITY: Belongs to the class-II aminoacyl-tRNA synthetase family. AsnA subfamily.

Pfam	PF03590; AsnA; 1;
TIGRFAMs	TIGR00669; asnA; 1;
PROSITE	PS50862; AA_TRNA_LIGASE_II; 1;

Amino-acid biosynthesis, Asparagine biosynthesis, ATP-binding, Cytoplasm, Ligase, Nucleotide-binding.

GO:0004071; Molecular function: aspartate-ammonia ligase activity.
GO:0005524; Molecular function: ATP binding.
GO:0006529; Biological process: asparagine biosynthetic process.
GO:0005737; Cellular component: cytoplasm.

Size range:	322-345 amino acids
Related UniRules:	None
Template:	P00963 (ASNA_ECOLI)
Scope:	Bacteria
Fusion:	Nter: None; Cter: None
Duplicate:	None
Plasmid encoded:	None