A9A9L8 (GUAAA_METM6) 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
Ordered Locus Names:	MmarC6_1228

Organism

Methanococcus maripaludis (strain C6 / ATCC BAA-1332) [Complete proteome] [HAMAP]

Taxonomic identifier

444158 [NCBI]

Taxonomic lineage

Archaea › Euryarchaeota › Methanococci › Methanococcales › Methanococcaceae › Methanococcus

Protein attributes

Sequence length	189 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
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 – 189	189	GMP synthase [glutamine-hydrolyzing] subunit A HAMAP MF_01510		PRO_1000146133
Regions
	Domain	1 – 189	189	Glutamine amidotransferase type-1
Sites
	Active site	76	1	Nucleophile By similarity
	Active site	163	1	By similarity
	Active site	165	1	By similarity

Sequences

	Sequence		Length	Mass (Da)
	A9A9L8 [UniParc]. Last modified January 15, 2008. Version 1. Checksum: 5C34EEF219B3BC0E	FASTA	189	20,940
	10 20 30 40 50 60 MIVILNNGGQ YVHRIQRSLK YLEVPAKIVP NSTTLEEIIA DSEIKGIILS GGPDITKATN 70 80 90 100 110 120 CENIALNSEI PVLGICLGHQ LISKAYGGHV SRADSEEYAS ITIYVKEEND LFKGVPSKFT 130 140 150 160 170 180 AWASHMDEVK VTPGCFEILA YSDICGVESI KHKEKSIYGV QFHPEVSHTE YGDVILKNFC KKCGFEFEE

References

[1]

"Complete sequence of Methanococcus maripaludis C6." US DOE Joint Genome Institute Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E., Tice H., Pitluck S., Clum A., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Sieprawska-Lupa M., Whitman W.B., Richardson P. Submitted (OCT-2007) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: C6 / ATCC BAA-1332.

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000867 Genomic DNA. Translation: ABX02041.1.
RefSeq	YP_001549273.1. NC_009975.1.
3D structure databases
ProteinModelPortal	A9A9L8.
ModBase	Search...
Protein-protein interaction databases
STRING	A9A9L8.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
GeneID	5738049.
GenomeReviews	Gene locus MmarC6_1228 in contig CP000867_GR.
KEGG	mmx:MmarC6_1228.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	HBG292341.
OMA	GQYVHRI.
ProtClustDB	PRK00758.
Enzyme and pathway databases
BioCyc	MMAR444158:MMARC6_1228-MONOMER.
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_METM6

Accession

Primary (citable) accession number: A9A9L8

Entry history

Integrated into UniProtKB/Swiss-Prot:	April 14, 2009
Last sequence update:	January 15, 2008
Last modified:	January 25, 2012
This is version 29 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program