Reviewed, UniProtKB/Swiss-Prot P63623 (ASNA_ECOL6)

Names and origin

Protein names

Recommended name:
    Aspartate--ammonia ligase
    EC=6.3.1.1
Alternative name(s):
    Asparagine synthetase A

Gene names

Name:	asnA
Ordered Locus Names:	c4672

Organism

Escherichia coli O6 [Complete proteome] [HAMAP]

Taxonomic identifier

217992 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Escherichia

Protein attributes

Sequence length	330 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Catalytic activity	ATP + L-aspartate + NH3 = AMP + diphosphate + L-asparagine. HAMAP MF_00555
Pathway	Amino-acid biosynthesis; L-asparagine biosynthesis; L-asparagine from L-aspartate (ammonia route): step 1/1. HAMAP MF_00555
Subunit structure	Homodimer By similarity.
Subcellular location	Cytoplasm By similarity.
Sequence similarities	Belongs to the class-II aminoacyl-tRNA synthetase family. AsnA subfamily.

Ontologies

Keywords
Biological process	Amino-acid biosynthesis Asparagine biosynthesis
Cellular component	Cytoplasm
Ligand	ATP-binding Nucleotide-binding
Molecular function	Ligase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	asparagine biosynthetic process Inferred from electronic annotation. Source: HAMAP tRNA aminoacylation for protein translation Inferred from electronic annotation. Source: InterPro
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	ATP binding Inferred from electronic annotation. Source: HAMAP aminoacyl-tRNA ligase activity Inferred from electronic annotation. Source: InterPro aspartate-ammonia ligase activity Inferred from electronic annotation. Source: HAMAP
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 330	330	Aspartate--ammonia ligase HAMAP MF_00555		PRO_0000195874

Sequences

	Sequence		Length	Mass (Da)
	P63623-1 [UniParc]. Last modified October 11, 2004. Version 1. Checksum: 6E8D3A2ACE523FC6	FASTA	330	36,650
	10 20 30 40 50 60 MKTAYIAKQR QISFVKSHFS RQLEERLGLI EVQAPILSRV GDGTQDNLSG CEKAVQVKVK 70 80 90 100 110 120 ALPDAQFEVV HSLAKWKRQT LGQHDFSAGE GLYTHMKALR PDEDRLSPLH SVYVDQWDWE 130 140 150 160 170 180 RVMGDGERQF STLKSTVEAI WAGIKATEAA VSEEFGLAPF LPDQIHFVHS QELLSRYPDL 190 200 210 220 230 240 DAKGRERAIA KDLGAVFLVG IGGKLSDGHR HDVRAPDYDD WSTPSELGHA GLNGDILVWN 250 260 270 280 290 300 PVLEDAFELS SMGIRVDADT LKHQLALTGD EDRLQLEWHQ ALLRGEMPQT IGGGIGQSRL 310 320 330 TMLLLQLPHI GQVQCGVWPA AVRESVPSLL

References

[1]

"Extensive mosaic structure revealed by the complete genome sequence of uropathogenic Escherichia coli." Welch R.A., Burland V., Plunkett G. III, Redford P., Roesch P., Rasko D., Buckles E.L., Liou S.-R., Boutin A., Hackett J., Stroud D., Mayhew G.F., Rose D.J., Zhou S., Schwartz D.C., Perna N.T., Mobley H.L.T., Donnenberg M.S., Blattner F.R. Proc. Natl. Acad. Sci. U.S.A. 99:17020-17024(2002) [PubMed: 12471157] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: O6:H1 / CFT073 / ATCC 700928 / UPEC.

Cross-references

Sequence databases
EMBLGenBankDDBJ	AE014075 Genomic DNA. Translation: AAN83104.1.
RefSeq	NP_756530.1.
3D structure databases
HSSP	HSSP built from PDB template 12AS based on UniProtKB P00963.
SMR	P63623. Positions 4-330.
ModBase	Search...
Genome annotation databases
GeneID	1040297.
GenomeReviews	Gene locus c4672 in contig AE014075_GR.
KEGG	ecc:c4672.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	P63623.
OMA	LNDNLNG.
Enzyme and pathway databases
BRENDA	6.3.1.1. 292881.
Family and domain databases
HAMAP	MF_00555. [Tree]
InterPro	IPR006195. aa-tRNA-synth_II_cons-reg. IPR004618. AsnA. [Graphical view]
Pfam	PF03590. AsnA. 1 hit. [Graphical view]
PIRSF	PIRSF001555. Asp_ammon_ligase. 1 hit.
ProDom	PD024629. AsnA. 1 hit. [Graphical view] [Entries sharing at least one domain]
TIGRFAMs	TIGR00669. asnA. 1 hit.
PROSITE	PS50862. AA_TRNA_LIGASE_II. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

ASNA_ECOL6

Accession

Primary (citable) accession number: P63623
Secondary accession number(s): Q8XAX8

Entry history

Integrated into UniProtKB/Swiss-Prot:	October 11, 2004
Last sequence update:	October 11, 2004
Last modified:	November 3, 2009
This is version 35 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)