Q97VZ9 (GUAAA_SULSO) Reviewed, UniProtKB/Swiss-Prot

Names and origin

Protein names

Recommended name:
GMP synthase [glutamine-hydrolyzing] subunit A
EC=6.3.5.2

Alternative name(s):
Glutamine amidotransferase

Gene names

Name:	guaAA
Synonyms:	guaA
Ordered Locus Names:	SSO2451

Organism

Sulfolobus solfataricus (strain ATCC 35092 / DSM 1617 / JCM 11322 / P2)

Taxonomic identifier

273057 [NCBI]

Taxonomic lineage

Archaea › Crenarchaeota › Thermoprotei › Sulfolobales › Sulfolobaceae › Sulfolobus

Protein attributes

Sequence length	188 AA.
Sequence status	Complete.
Protein existence	Inferred from homology

General annotation (Comments)

Function	Catalyzes the synthesis of GMP from XMP By similarity. HAMAP MF_01510
Catalytic activity	ATP + xanthosine 5'-phosphate + L-glutamine + H2O = AMP + diphosphate + GMP + L-glutamate. HAMAP MF_01510
Pathway	Purine metabolism; GMP biosynthesis; GMP from XMP (L-Gln route): step 1/1. HAMAP MF_01510
Subunit structure	Heterodimer composed of a glutamine amidotransferase subunit (A) and a GMP-binding subunit (B) Potential.
Sequence similarities	Contains 1 glutamine amidotransferase type-1 domain.

Ontologies

Keywords
Biological process	GMP biosynthesis Purine biosynthesis
Domain	Glutamine amidotransferase
Ligand	ATP-binding Nucleotide-binding
Molecular function	Ligase
Technical term	Complete proteome Reference proteome
Gene Ontology (GO)
Biological process	GMP biosynthetic process Inferred from electronic annotation. Source: UniProtKB-KW glutamine metabolic process Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	ATP binding Inferred from electronic annotation. Source: UniProtKB-KW GMP synthase (glutamine-hydrolyzing) 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 – 188	188	GMP synthase [glutamine-hydrolyzing] subunit A HAMAP MF_01510		PRO_0000140233
Regions
	Domain	2 – 188	187	Glutamine amidotransferase type-1
Sites
	Active site	79	1	Nucleophile By similarity
	Active site	166	1	By similarity
	Active site	168	1	By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q97VZ9 [UniParc]. Last modified October 1, 2001. Version 1. Checksum: DB7CC4CE03451481	FASTA	188	21,035
	10 20 30 40 50 60 MKVGLVYYGG QYNHLILKNV KYLGADIEVI PPHKPVEELK KFDCVIFSGG PYSVSEEIQK 70 80 90 100 110 120 MGNSPLYIKE LKVPMLGICL GHQLIAYVLG GVVRRALNPE YGLTRINIFD EDTILKGFSQ 130 140 150 160 170 180 QLNVWESHND EVVEPPSGFR VLASSANARV QAMANSSNSI FGVQFHPEVK HTERGIEIFK NFLGVCRK

References

[1]

"The complete genome of the crenarchaeon Sulfolobus solfataricus P2." She Q., Singh R.K., Confalonieri F., Zivanovic Y., Allard G., Awayez M.J., Chan-Weiher C.C.-Y., Clausen I.G., Curtis B.A., De Moors A., Erauso G., Fletcher C., Gordon P.M.K., Heikamp-de Jong I., Jeffries A.C., Kozera C.J., Medina N., Peng X. , Thi-Ngoc H.P., Redder P., Schenk M.E., Theriault C., Tolstrup N., Charlebois R.L., Doolittle W.F., Duguet M., Gaasterland T., Garrett R.A., Ragan M.A., Sensen C.W., Van der Oost J. Proc. Natl. Acad. Sci. U.S.A. 98:7835-7840(2001) [PubMed: 11427726] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: ATCC 35092 / DSM 1617 / JCM 11322 / P2.

+

Additional computationally mapped references.

Cross-references

Sequence databases
EMBL GenBank DDBJ	AE006641 Genomic DNA. Translation: AAK42591.1.
PIR	H90416.
RefSeq	NP_343801.1. NC_002754.1.
3D structure databases
ProteinModelPortal	Q97VZ9.
ModBase	Search...
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
GeneID	1453918.
GenomeReviews	Gene locus SSO2451 in contig AE006641_GR.
KEGG	sso:SSO2451.
NMPDR	fig|273057.1.peg.2224.
Phylogenomic databases
HOGENOM	HBG292341.
OMA	GQYVHRI.
ProtClustDB	PRK00758.
Family and domain databases
HAMAP	MF_01510. GMP_synthase_A. [Tree]
InterPro	IPR017926. GATASE_1. IPR004739. GMP_synth_N. IPR023686. GMP_synthase_A. [Graphical view]
KO	K01951.
Pfam	PF00117. GATase. 1 hit. [Graphical view]
TIGRFAMs	TIGR00888. GuaA_Nterm. 1 hit.
PROSITE	PS51273. GATASE_TYPE_1. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

GUAAA_SULSO

Accession

Primary (citable) accession number: Q97VZ9

Entry history

Integrated into UniProtKB/Swiss-Prot:	March 1, 2004
Last sequence update:	October 1, 2001
Last modified:	January 25, 2012
This is version 61 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program