P63624 (ASNA_ECO57) Reviewed, UniProtKB/Swiss-Prot

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:	Z5245, ECs4686

Organism

Escherichia coli O157:H7 [Complete proteome] [HAMAP]

Taxonomic identifier

83334 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Escherichia

Protein attributes

Sequence length	330 AA.
Sequence status	Complete.
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. HAMAP MF_00555
Subcellular location	Cytoplasm By similarity HAMAP MF_00555.
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: UniProtKB-KW 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: UniProtKB-KW aminoacyl-tRNA ligase activity Inferred from electronic annotation. Source: InterPro aspartate-ammonia ligase activity Inferred from electronic annotation. Source: EC
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_0000195875

Sequences

	Sequence		Length	Mass (Da)
	P63624 [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]	"Genome sequence of enterohaemorrhagic Escherichia coli O157:H7." Perna N.T., Plunkett G. III, Burland V., Mau B., Glasner J.D., Rose D.J., Mayhew G.F., Evans P.S., Gregor J., Kirkpatrick H.A., Posfai G., Hackett J., Klink S., Boutin A., Shao Y., Miller L., Grotbeck E.J., Davis N.W. , Lim A., Dimalanta E.T., Potamousis K., Apodaca J., Anantharaman T.S., Lin J., Yen G., Schwartz D.C., Welch R.A., Blattner F.R. Nature 409:529-533(2001) [PubMed: 11206551] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: O157:H7 / EDL933 / ATCC 700927 / EHEC.
[2]	"Complete genome sequence of enterohemorrhagic Escherichia coli O157:H7 and genomic comparison with a laboratory strain K-12." Hayashi T., Makino K., Ohnishi M., Kurokawa K., Ishii K., Yokoyama K., Han C.-G., Ohtsubo E., Nakayama K., Murata T., Tanaka M., Tobe T., Iida T., Takami H., Honda T., Sasakawa C., Ogasawara N., Yasunaga T. , Kuhara S., Shiba T., Hattori M., Shinagawa H. DNA Res. 8:11-22(2001) [PubMed: 11258796] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: O157:H7 / Sakai / RIMD 0509952 / EHEC.
+	Additional computationally mapped references.

Cross-references

Sequence databases
EMBL GenBank DDBJ	AE005174 Genomic DNA. Translation: AAG58947.1. BA000007 Genomic DNA. Translation: BAB38109.1.
PIR	F91214. G86060.
RefSeq	NP_290383.1. NC_002655.2. NP_312713.1. NC_002695.1.
3D structure databases
ProteinModelPortal	P63624.
SMR	P63624. Positions 4-330.
ModBase	Search...
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
EnsemblBacteria	EBESCT00000024335; EBESCP00000023228; EBESCG00000023389. EBESCT00000060016; EBESCP00000057844; EBESCG00000059063.
GeneID	915329. 960423.
GenomeReviews	Gene locus Z5245 in contig AE005174_GR. Gene locus ECs4686 in contig BA000007_GR.
KEGG	ece:Z5245. ecs:ECs4686.
PATRIC	18358971. VBIEscCol44059_4650.
Organism-specific databases
CMR	Search...
Phylogenomic databases
GeneTree	EBGT00050000010820.
HOGENOM	HBG288146.
OMA	LNDNLNG.
ProtClustDB	PRK05425.
Enzyme and pathway databases
BioCyc	ECOL83334:ECS4686-MONOMER.
Family and domain databases
HAMAP	MF_00555. AsnA. [Tree]
InterPro	IPR006195. aa-tRNA-synth_II. IPR004618. AsnA. [Graphical view]
KO	K01914.
Pfam	PF03590. AsnA. 1 hit. [Graphical view]
PIRSF	PIRSF001555. Asp_ammon_ligase. 1 hit.
TIGRFAMs	TIGR00669. AsnA. 1 hit.
PROSITE	PS50862. AA_TRNA_LIGASE_II. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

ASNA_ECO57

Accession

Primary (citable) accession number: P63624
Secondary accession number(s): Q8XAX8

Entry history

Integrated into UniProtKB/Swiss-Prot:	October 11, 2004
Last sequence update:	October 11, 2004
Last modified:	January 25, 2012
This is version 50 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program