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Q9K5R0 (PURA_BACHD) Reviewed, UniProtKB/Swiss-Prot

Last modified January 25, 2012. Version 74. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data text xml rdf/xml gff fasta
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to top of pageNames·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order

Names and origin

Protein namesRecommended name:
Adenylosuccinate synthetase
Short name=AMPSase
Short name=AdSS
EC=6.3.4.4
Alternative name(s):
IMP--aspartate ligase
Gene names
Name:purA
Ordered Locus Names:BH4028
OrganismBacillus halodurans (strain ATCC BAA-125 / DSM 18197 / FERM 7344 / JCM 9153 / C-125) [Complete proteome] [HAMAP]
Taxonomic identifier272558 [NCBI]
Taxonomic lineageBacteria › Firmicutes › Bacillales › Bacillaceae › Bacillus

Protein attributes

Sequence length428 AA.
Sequence statusComplete.
Protein existenceInferred from homology

General annotation (Comments)

Function

Plays an important role in the de novo pathway of purine nucleotide biosynthesis. Catalyzes the first commited step in the biosynthesis of AMP from IMP By similarity. 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. HAMAP MF_00011

Pathway

Purine metabolism; AMP biosynthesis via de novo pathway; AMP from IMP: step 1/2. HAMAP MF_00011

Subunit structure

Homodimer By similarity. HAMAP MF_00011

Subcellular location

Cytoplasm By similarity HAMAP MF_00011.

Sequence similarities

Belongs to the adenylosuccinate synthetase family.

Ontologies

Keywords
   Biological processPurine biosynthesis
   Cellular componentCytoplasm
   LigandGTP-binding
Magnesium
Metal-binding
Nucleotide-binding
   Molecular functionLigase
   Technical termComplete proteome
Gene Ontology (GO)
   Biological processpurine nucleotide biosynthetic process

Inferred from electronic annotation. Source: UniProtKB-KW

   Cellular componentcytoplasm

Inferred from electronic annotation. Source: UniProtKB-SubCell

   Molecular functionGTP binding

Inferred from electronic annotation. Source: UniProtKB-KW

adenylosuccinate synthase activity

Inferred from electronic annotation. Source: EC

magnesium ion binding

Inferred from electronic annotation. Source: InterPro

Complete GO annotation...

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 428428Adenylosuccinate synthetase HAMAP MF_00011
PRO_0000095145

Regions

Nucleotide binding12 – 187GTP By similarity
Nucleotide binding40 – 423GTP By similarity
Nucleotide binding330 – 3323GTP By similarity
Nucleotide binding412 – 4143GTP By similarity
Region13 – 164IMP binding By similarity
Region38 – 414IMP binding By similarity
Region298 – 3047Substrate binding By similarity

Sites

Active site131Proton acceptor By similarity
Active site411Proton donor By similarity
Metal binding131Magnesium By similarity
Metal binding401Magnesium; via carbonyl oxygen By similarity
Binding site1281IMP By similarity
Binding site1421IMP; shared with dimeric partner By similarity
Binding site2231IMP By similarity
Binding site2381IMP By similarity
Binding site3021IMP By similarity
Binding site3041GTP By similarity

Sequences

Sequence LengthMass (Da)Tools
Q9K5R0 [UniParc].

Last modified October 1, 2000. Version 1.
Checksum: 07E9E272C524475E

FASTA42847,431
        10         20         30         40         50         60 
MSSVVVVGTQ WGDEGKGKIT DYLSEKAEVV ARYQGGNNAG HTIVFNGEKY KLHLIPSGIF 

        70         80         90        100        110        120 
YSDKVCVIGN GMVIDPKALV EELAYLHERN VDTSNLRISN RAHVILPYHL KLDIVEEERK 

       130        140        150        160        170        180 
GANKIGTTKK GIGPAYMDKA ARIGIRIADL LDKEVFEEKL ERNLVEKNRL FEKYYEVGGF 

       190        200        210        220        230        240 
NKEDILDEYY EYGQQIARYV CDTSVVLNDA LDEGRRVLFE GAQGVMLDID QGTYPFVTSS 

       250        260        270        280        290        300 
NPIAGGVTIG SGVGPSKIHH VVGVSKAYTT RVGDGPFPTE LHDEIGDQIR EVGNEYGTTT 

       310        320        330        340        350        360 
GRPRRVGWFD SVVVRHARRV SGITDLSLNS IDVLTGIKTL KICTAYKYRG EVVEEFPASL 

       370        380        390        400        410        420 
KVLAECEPVY EELPGWDEDI TGVTSLDELP VNARHYIERV SQLTGIPLTI FSVGPDRKQT 


NLVRGVFA

« Hide

References

[1]"Complete genome sequence of the alkaliphilic bacterium Bacillus halodurans and genomic sequence comparison with Bacillus subtilis."
Takami H., Nakasone K., Takaki Y., Maeno G., Sasaki R., Masui N., Fuji F., Hirama C., Nakamura Y., Ogasawara N., Kuhara S., Horikoshi K.
Nucleic Acids Res. 28:4317-4331(2000) [PubMed: 11058132] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: ATCC BAA-125 / DSM 18197 / FERM 7344 / JCM 9153 / C-125.
+Additional computationally mapped references.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ		BA000004 Genomic DNA. Translation: BAB07747.1.
PIRD84153.
RefSeqNP_244896.1. NC_002570.2.

3D structure databases

ProteinModelPortalQ9K5R0.
ModBaseSearch...

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaEBBACT00000053472; EBBACP00000052111; EBBACG00000053463.
GeneID894569.
GenomeReviewsGene locus BH4028 in contig BA000004_GR.
KEGGbha:BH4028.
NMPDRfig|272558.1.peg.4028.
PATRIC18945394. VBIBacHal18977_4190.

Organism-specific databases

CMRSearch...

Phylogenomic databases

GeneTreeEBGT00050000001253.
HOGENOMHBG658237.
OMADYVVRYQ.
PhylomeDBQ9K5R0.
ProtClustDBPRK01117.

Enzyme and pathway databases

BioCycBHAL272558:BH4028-MONOMER.

Family and domain databases

HAMAPMF_00011. Adenylosucc_synth.
[Tree]
InterProIPR018220. Adenylosuccinate_synthase_AS.
IPR001114. Adenylosuccinate_synthetase.
[Graphical view]
KOK01939.
PANTHERPTHR11846. Asucc_synthtase. 1 hit.
PfamPF00709. Adenylsucc_synt. 1 hit.
[Graphical view]
SMARTSM00788. Adenylsucc_synt. 1 hit.
[Graphical view]
TIGRFAMsTIGR00184. PurA. 1 hit.
PROSITEPS01266. ADENYLOSUCCIN_SYN_1. 1 hit.
PS00513. ADENYLOSUCCIN_SYN_2. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry namePURA_BACHD
AccessionPrimary (citable) accession number: Q9K5R0
Entry history
Integrated into UniProtKB/Swiss-Prot: January 23, 2002
Last sequence update: October 1, 2000
Last modified: January 25, 2012
This is version 74 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

PATHWAY comments

Index of metabolic and biosynthesis pathways

SIMILARITY comments

Index of protein domains and families

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