Reviewed, UniProtKB/Swiss-Prot Q96Y23 (GUAAB_SULTO)

Names and origin

Protein names

Recommended name:
    GMP synthase [glutamine-hydrolyzing] subunit B
    EC=6.3.5.2
Alternative name(s):
    GMP synthetase

Gene names

Name:	guaAB
Ordered Locus Names:	ST2345

Organism

Sulfolobus tokodaii [Complete proteome] [HAMAP]

Taxonomic identifier

111955 [NCBI]

Taxonomic lineage

Archaea › Crenarchaeota › Thermoprotei › Sulfolobales › Sulfolobaceae › Sulfolobus

Protein attributes

Sequence length	370 AA.
Sequence status	Complete.
Protein existence	Inferred from homology.

General annotation (Comments)

Function	Catalyzes the synthesis of GMP from XMP By similarity. HAMAP MF_00345
Catalytic activity	ATP + xanthosine 5'-phosphate + L-glutamine + H2O = AMP + diphosphate + GMP + L-glutamate. HAMAP MF_00345
Pathway	Purine metabolism; GMP biosynthesis; GMP from XMP (L-Gln route): step 1/1. HAMAP MF_00345
Subunit structure	Heterodimer composed of a glutamine amidotransferase subunit (A) and a GMP-binding subunit (B) Potential. HAMAP MF_00345
Sequence similarities	Contains 1 GMP-binding domain.

Ontologies

Keywords
Biological process	GMP biosynthesis Purine biosynthesis
Ligand	ATP-binding Nucleotide-binding
Molecular function	Ligase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	GMP biosynthetic process Inferred from electronic annotation. Source: HAMAP NAD biosynthetic process Inferred from electronic annotation. Source: InterPro
Molecular function	ATP binding Inferred from electronic annotation. Source: HAMAP GMP synthase (glutamine-hydrolyzing) activity Inferred from electronic annotation. Source: HAMAP NAD+ synthase (glutamine-hydrolyzing) activity Inferred from electronic annotation. Source: InterPro
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 370	370	GMP synthase [glutamine-hydrolyzing] subunit B HAMAP MF_00345		PRO_0000140252
Regions
	Domain	33 – 190	158	GMP-binding
	Nucleotide binding	29 – 35	7	ATP By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q96Y23-1 [UniParc]. Last modified December 1, 2001. Version 1. Checksum: B6ACB69CFB21F273	FASTA	370	41,880
	10 20 30 40 50 60 MSFDPQKFVD EISPQLKEIV DGRAIAAVSG GVDSTTAAVL SYKILGDKVI PVMIDTGFLR 70 80 90 100 110 120 ENEAENVKNM LKDLMPLQVI DEREKFISSL EGMSDAEEKR KKFRQLFYDT LSRIVKEFNA 130 140 150 160 170 180 KYLIQGTIAA DWVETQGGIK TQHNVLVQLG IDTEKEWGFK VVEPLADLYK DEVRALAKYL 190 200 210 220 230 240 GLPRDIYNRQ PFPGPGLLVR VVGKLTREKL EILRKVTTTV EKNLSELNLS QYFAVIFDSA 250 260 270 280 290 300 AEYNKELSNE VGCDVKVYKT LATGVKGDVR AYGNIAGIEC RKDYESLREI MEKLTSYNIT 310 320 330 340 350 360 HVVVKIKDKN PEGIYTIGIR AVNTQDFMTA DFAKINWNIL EKIANEINDK KIKEVVYDIT 370 TKPPATIEYE

References

[1]

"Complete genome sequence of an aerobic thermoacidophilic Crenarchaeon, Sulfolobus tokodaii strain7." Kawarabayasi Y., Hino Y., Horikawa H., Jin-no K., Takahashi M., Sekine M., Baba S., Ankai A., Kosugi H., Hosoyama A., Fukui S., Nagai Y., Nishijima K., Otsuka R., Nakazawa H., Takamiya M., Kato Y., Yoshizawa T. , Tanaka T., Kudoh Y., Yamazaki J., Kushida N., Oguchi A., Aoki K., Masuda S., Yanagii M., Nishimura M., Yamagishi A., Oshima T., Kikuchi H. DNA Res. 8:123-140(2001) [PubMed: 11572479] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: DSM 16993 / JCM 10545 / NBRC 100140 / 7.

Cross-references

Sequence databases
EMBL GenBank DDBJ	BA000023 Genomic DNA. Translation: BAB67454.1.
RefSeq	NP_378345.1.
3D structure databases
SMR	Q96Y23. Positions 4-370.
ModBase	Search...
Genome annotation databases
GeneID	1460427.
GenomeReviews	Gene locus ST2345 in contig BA000023_GR.
KEGG	sto:ST2345.
NMPDR	fig|273063.1.peg.2513.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	HBG391775.
OMA	GFLRENE.
Enzyme and pathway databases
BioCyc	STOK273063:ST2345-MONOMER.
BRENDA	6.3.5.2. 261167.
Family and domain databases
HAMAP	MF_00345. GMP_synthase_B. [Tree]
InterPro	IPR001674. GMP_synth_C. IPR014729. Rossmann-like_a/b/a_fold. [Graphical view]
Gene3D	G3DSA:3.40.50.620. Rossmann-like_a/b/a_fold. 1 hit.
Pfam	PF00958. GMP_synt_C. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

GUAAB_SULTO

Accession

Primary (citable) accession number: Q96Y23

Entry history

Integrated into UniProtKB/Swiss-Prot:	March 1, 2004
Last sequence update:	December 1, 2001
Last modified:	February 9, 2010
This is version 48 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)