Reviewed, UniProtKB/Swiss-Prot A6TXB3 (PURA_ALKMQ)

Names and origin

Protein names

Recommended name:
    Adenylosuccinate synthetase
    EC=6.3.4.4
Alternative name(s):
    IMP--aspartate ligase
    AdSS
    AMPSase

Gene names

Name:	purA
Ordered Locus Names:	Amet_4765

Organism

Alkaliphilus metalliredigens (strain QYMF) [Complete proteome] [HAMAP]

Taxonomic identifier

293826 [NCBI]

Taxonomic lineage

Bacteria › Firmicutes › Clostridia › Clostridiales › Clostridiaceae › Alkaliphilus

Protein attributes

Sequence length	427 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Function	Plays an important role in the de novo pathway of purine nucleotide biosynthesis. HAMAP MF_00011
Catalytic activity	GTP + IMP + L-aspartate = GDP + phosphate + N(6)-(1,2-dicarboxyethyl)-AMP. HAMAP MF_00011
Cofactor	Binds 1 magnesium ion per subunit By similarity.
Pathway	Purine metabolism; AMP biosynthesis via de novo pathway; AMP from IMP: step 1/2. HAMAP MF_00011
Subunit structure	Homodimer By similarity.
Subcellular location	Cytoplasm By similarity.
Sequence similarities	Belongs to the adenylosuccinate synthetase family.

Ontologies

Keywords
Biological process	Purine biosynthesis
Cellular component	Cytoplasm
Ligand	GTP-binding Magnesium Metal-binding Nucleotide-binding
Molecular function	Ligase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	purine nucleotide biosynthetic process Inferred from electronic annotation. Source: HAMAP
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	GTP binding Inferred from electronic annotation. Source: HAMAP adenylosuccinate synthase activity Inferred from electronic annotation. Source: HAMAP magnesium ion binding 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 – 427	427	Adenylosuccinate synthetase HAMAP MF_00011		PRO_1000057085
Regions
	Nucleotide binding	12 – 18	7	GTP Potential
Sites
	Active site	139	1	By similarity
	Active site	146	1	By similarity
	Metal binding	13	1	Magnesium By similarity
	Metal binding	40	1	Magnesium; via carbonyl oxygen By similarity

Sequences

	Sequence		Length	Mass (Da)
	A6TXB3-1 [UniParc]. Last modified August 21, 2007. Version 1. Checksum: A7EB132D6D68C0D4	FASTA	427	47,970
	10 20 30 40 50 60 MPSIVIVGAQ WGDEGKGKII DYLAQEADVV IRAQGGNNAG HTVMVEDKKY SFHLLPSGVL 70 80 90 100 110 120 FEDKLNIIGN GVVFDPEGFL QEIEVLKKEG INTSNIKIDE RVHVIFPYHK RIDQLEEEAR 130 140 150 160 170 180 GEAQIGTTKK GIGPCYMDKI QRSGIRLGEM IDEEDFKDRL YKQVDDKNKI IEKIYEAEGF 190 200 210 220 230 240 EKEAMYETYL KYAREIKKYV TDTTILAHEA LKAKKKVLFE GAQGTLLDID LGTYPYVTSS 250 260 270 280 290 300 HPTAGGFPIG AGIGPNQIEQ VLGIVKAYTT RVGSGTFPTE LDNEVGDKIR IKGNEFGTTT 310 320 330 340 350 360 GRPRRCGWFD GVMVRYTTRI NGLTAMSLML LDVLSGFDTL KICTGYELEG EMVAHFPANI 370 380 390 400 410 420 KTLGKCKPIY EELPGWEEDI TNMKTYEELP ENAKKYIERI ESYVGVPIKM ISVGPKRNQT IIRERLF

References

[1]

"Complete sequence of Alkaliphilus metalliredigens QYMF." Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S., Chertkov O., Brettin T., Bruce D., Han C., Schmutz J., Larimer F., Land M. , Hauser L., Kyrpides N., Mikhailova N., Ye Q., Zhou J., Fields M., Richardson P. Submitted (JUN-2007) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	CP000724 Genomic DNA. Translation: ABR50831.1.
RefSeq	YP_001322490.1.
3D structure databases
ModBase	Search...
Protein-protein interaction databases
STRING	A6TXB3.
Genome annotation databases
GeneID	5314930.
GenomeReviews	Gene locus Amet_4765 in contig CP000724_GR.
KEGG	amt:Amet_4765.
Organism-specific databases
CMR	Search...
Phylogenomic databases
OMA	IPVCVAY.
Family and domain databases
HAMAP	MF_00011. [Tree]
InterPro	IPR018220. Adenylosuccinate_synthase_AS. IPR001114. Adenylosuccinate_synthetase. [Graphical view]
PANTHER	PTHR11846. Asucc_synthtase. 1 hit.
Pfam	PF00709. Adenylsucc_synt. 1 hit. [Graphical view]
ProDom	PD001188. Asucc_synthtase. 1 hit. [Graphical view] [Entries sharing at least one domain]
SMART	SM00788. Adenylsucc_synt. 1 hit. [Graphical view]
TIGRFAMs	TIGR00184. purA. 1 hit.
PROSITE	PS01266. ADENYLOSUCCIN_SYN_1. 1 hit. PS00513. ADENYLOSUCCIN_SYN_2. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

PURA_ALKMQ

Accession

Primary (citable) accession number: A6TXB3

Entry history

Integrated into UniProtKB/Swiss-Prot:	February 5, 2008
Last sequence update:	August 21, 2007
Last modified:	November 3, 2009
This is version 14 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)