Reviewed, UniProtKB/Swiss-Prot Q6LYU3 (GUAAB_METMP)

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
Synonyms:	guaA
Ordered Locus Names:	MMP0894

Organism

Methanococcus maripaludis [Complete proteome] [HAMAP]

Taxonomic identifier

39152 [NCBI]

Taxonomic lineage

Archaea › Euryarchaeota › Methanococci › Methanococcales › Methanococcaceae › Methanococcus

Protein attributes

Sequence length	310 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Function	Catalyzes the synthesis of GMP from XMP By similarity.
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.
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
Molecular function	ATP binding Inferred from electronic annotation. Source: HAMAP GMP synthase (glutamine-hydrolyzing) activity 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 – 310	310	GMP synthase [glutamine-hydrolyzing] subunit B HAMAP MF_00345		PRO_0000140244
Regions
	Domain	33 – 186	154	GMP-binding
	Nucleotide binding	29 – 35	7	ATP By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q6LYU3-1 [UniParc]. Last modified July 5, 2004. Version 1. Checksum: E93FD0138594ED13	FASTA	310	34,856
	10 20 30 40 50 60 MFKTEPFIEE SIEEIRKQIN NRKTIIALSG GVDSAVAAVL TDRAVGDKLL AVYVDTGLMR 70 80 90 100 110 120 KNESEEIWKI FKEQMGLNLK IVEAKDIFLK ELEGVIDPEE KRKIIGRLFI EVFEKVAEEQ 130 140 150 160 170 180 GEEVLVQGTI APDWIESEGQ IKTHHNIALP GGMVLDVVEP LRELYKDEVR LLAVALGLPD 190 200 210 220 230 240 QIAHRQPFPG PGLAVRILGE ITDEKLAICK EANFIVSEEI EKTELKNELW QYFAAVLDTK 250 260 270 280 290 300 ATGVKGDIRD YNWVVALRFV SSLDAMTAHT PEIPFDLIKK ISKRITSEIP NVTRVVLDVT 310 DKPPATIEFE

References

[1]

"Complete genome sequence of the genetically tractable hydrogenotrophic methanogen Methanococcus maripaludis." Hendrickson E.L., Kaul R., Zhou Y., Bovee D., Chapman P., Chung J., Conway de Macario E., Dodsworth J.A., Gillett W., Graham D.E., Hackett M., Haydock A.K., Kang A., Land M.L., Levy R., Lie T.J., Major T.A., Moore B.C. , Porat I., Palmeiri A., Rouse G., Saenphimmachak C., Soell D., Van Dien S., Wang T., Whitman W.B., Xia Q., Zhang Y., Larimer F.W., Olson M.V., Leigh J.A. J. Bacteriol. 186:6956-6969(2004) [PubMed: 15466049] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: S2 / LL.

Cross-references

Sequence databases
EMBLGenBankDDBJ	BX950229 Genomic DNA. Translation: CAF30450.1.
RefSeq	NP_988014.1.
3D structure databases
ModBase	Search...
Genome annotation databases
GeneID	2761428.
GenomeReviews	Gene locus MMP0894 in contig BX950229_GR.
KEGG	mmp:MMP0894.
NMPDR	fig|267377.1.peg.894.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	Q6LYU3.
OMA	GIKSHHN.
Enzyme and pathway databases
BioCyc	MMAR267377:MMP0894-MON.
BRENDA	6.3.5.2. 20956.
Family and domain databases
HAMAP	MF_00345. [Tree]
InterPro	IPR001674. GMP_synth_C. IPR014729. Rossmann-like_a/b/a_fold. IPR018318. tRNA_MeTrfase-like. [Graphical view]
Gene3D	G3DSA:3.40.50.620. Rossmann-like_a/b/a_fold. 1 hit.
Pfam	PF00958. GMP_synt_C. 1 hit. PF03054. tRNA_Me_trans. 1 hit. [Graphical view]
TIGRFAMs	TIGR00884. guaA_Cterm. 1 hit.
ProtoNet	Search...

Entry information

Entry name

GUAAB_METMP

Accession

Primary (citable) accession number: Q6LYU3

Entry history

Integrated into UniProtKB/Swiss-Prot:	July 19, 2004
Last sequence update:	July 5, 2004
Last modified:	November 3, 2009
This is version 37 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)