GUAA_TROWT
ID GUAA_TROWT Reviewed; 503 AA.
AC Q83GZ6;
DT 01-MAR-2004, integrated into UniProtKB/Swiss-Prot.
DT 01-JUN-2003, sequence version 1.
DT 03-AUG-2022, entry version 125.
DE RecName: Full=GMP synthase [glutamine-hydrolyzing] {ECO:0000255|HAMAP-Rule:MF_00344};
DE EC=6.3.5.2 {ECO:0000255|HAMAP-Rule:MF_00344};
DE AltName: Full=GMP synthetase {ECO:0000255|HAMAP-Rule:MF_00344};
DE AltName: Full=Glutamine amidotransferase {ECO:0000255|HAMAP-Rule:MF_00344};
GN Name=guaA {ECO:0000255|HAMAP-Rule:MF_00344}; OrderedLocusNames=TWT_079;
OS Tropheryma whipplei (strain Twist) (Whipple's bacillus).
OC Bacteria; Actinobacteria; Micrococcales; Tropherymataceae; Tropheryma.
OX NCBI_TaxID=203267;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Twist;
RX PubMed=12902375; DOI=10.1101/gr.1474603;
RA Raoult D., Ogata H., Audic S., Robert C., Suhre K., Drancourt M.,
RA Claverie J.-M.;
RT "Tropheryma whipplei twist: a human pathogenic Actinobacteria with a
RT reduced genome.";
RL Genome Res. 13:1800-1809(2003).
CC -!- FUNCTION: Catalyzes the synthesis of GMP from XMP. {ECO:0000255|HAMAP-
CC Rule:MF_00344}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + H2O + L-glutamine + XMP = AMP + diphosphate + GMP + 2
CC H(+) + L-glutamate; Xref=Rhea:RHEA:11680, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:29985, ChEBI:CHEBI:30616,
CC ChEBI:CHEBI:33019, ChEBI:CHEBI:57464, ChEBI:CHEBI:58115,
CC ChEBI:CHEBI:58359, ChEBI:CHEBI:456215; EC=6.3.5.2;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00344};
CC -!- PATHWAY: Purine metabolism; GMP biosynthesis; GMP from XMP (L-Gln
CC route): step 1/1. {ECO:0000255|HAMAP-Rule:MF_00344}.
CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00344}.
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DR EMBL; AE014184; AAO44176.1; -; Genomic_DNA.
DR RefSeq; WP_011102330.1; NC_004572.3.
DR AlphaFoldDB; Q83GZ6; -.
DR SMR; Q83GZ6; -.
DR STRING; 203267.TWT_079; -.
DR MEROPS; C26.957; -.
DR PRIDE; Q83GZ6; -.
DR EnsemblBacteria; AAO44176; AAO44176; TWT_079.
DR KEGG; twh:TWT_079; -.
DR eggNOG; COG0518; Bacteria.
DR eggNOG; COG0519; Bacteria.
DR HOGENOM; CLU_014340_0_5_11; -.
DR OMA; KRKIIGH; -.
DR OrthoDB; 504464at2; -.
DR UniPathway; UPA00189; UER00296.
DR Proteomes; UP000002200; Chromosome.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0003922; F:GMP synthase (glutamine-hydrolyzing) activity; IEA:UniProtKB-UniRule.
DR GO; GO:0016462; F:pyrophosphatase activity; IEA:InterPro.
DR GO; GO:0006541; P:glutamine metabolic process; IEA:UniProtKB-KW.
DR CDD; cd01742; GATase1_GMP_Synthase; 1.
DR CDD; cd01997; GMP_synthase_C; 1.
DR Gene3D; 3.40.50.620; -; 1.
DR Gene3D; 3.40.50.880; -; 1.
DR HAMAP; MF_00344; GMP_synthase; 1.
DR InterPro; IPR029062; Class_I_gatase-like.
DR InterPro; IPR017926; GATASE.
DR InterPro; IPR001674; GMP_synth_C.
DR InterPro; IPR004739; GMP_synth_GATase.
DR InterPro; IPR022955; GMP_synthase.
DR InterPro; IPR025777; GMPS_ATP_PPase_dom.
DR InterPro; IPR022310; NAD/GMP_synthase.
DR InterPro; IPR014729; Rossmann-like_a/b/a_fold.
DR Pfam; PF00117; GATase; 1.
DR Pfam; PF00958; GMP_synt_C; 1.
DR Pfam; PF02540; NAD_synthase; 1.
DR SUPFAM; SSF52317; SSF52317; 1.
DR TIGRFAMs; TIGR00884; guaA_Cterm; 1.
DR TIGRFAMs; TIGR00888; guaA_Nterm; 1.
DR PROSITE; PS51273; GATASE_TYPE_1; 1.
DR PROSITE; PS51553; GMPS_ATP_PPASE; 1.
PE 3: Inferred from homology;
KW ATP-binding; Glutamine amidotransferase; GMP biosynthesis; Ligase;
KW Nucleotide-binding; Purine biosynthesis; Reference proteome.
FT CHAIN 1..503
FT /note="GMP synthase [glutamine-hydrolyzing]"
FT /id="PRO_0000140202"
FT DOMAIN 3..189
FT /note="Glutamine amidotransferase type-1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT DOMAIN 190..380
FT /note="GMPS ATP-PPase"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 80
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 165
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 167
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT BINDING 217..223
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
SQ SEQUENCE 503 AA; 55329 MW; F5C570B303BE72CC CRC64;
MRPVLVVDFG SQYSQLVVRA IRECGYYAEF ASPSISAAEC LALSPIAIFL SGGPASAYKD
NAPKLDEEIL NCGIPVFGIC YGFQLLAQAF GGSVKKANAP EYGPADITIV NKAFFSGQPD
RQTVWMSHGD SVIRAPKNFC ILSTSQDAVL SFCNRDRTIA GVQWHPEVKH SRFGKHTIKA
FLSSFAAPNW DPEQTICGTV DSIRKTVGCK RVLCALSGGV DSVVAATLTH RAIGDRLRCV
FVDHGLLRLN EREQVEEYCS SLGLNVSTYD ASDCFLSALS GIRDSEQKRK VIGREFIACF
SKLQERFDIK PHFLLQGTLY PDLVESGATP GGATIKSHHN VGGLSDNLGF ELLEPLKYLF
KDEVRKIGLQ LGIPKHIVHR QPFPGPGLAI RIIGEVTNKK LSILRAADAI VRHELRDWTD
IWQCPVILLS DVQSVGVRGD SRSCGFPIVI RPVSSDDAMT ADWYRLPYDV LARISGRITN
EIPEIVRVVL DITPKPPATI EWE
