GUAA_SYNS9
ID GUAA_SYNS9 Reviewed; 528 AA.
AC Q3B0W1;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 22-NOV-2005, sequence version 1.
DT 03-AUG-2022, entry version 116.
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};
GN OrderedLocusNames=Syncc9902_0042;
OS Synechococcus sp. (strain CC9902).
OC Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus;
OC unclassified Synechococcus.
OX NCBI_TaxID=316279;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CC9902;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA Hammon N., Israni S., Pitluck S., Martinez M., Schmutz J., Larimer F.,
RA Land M., Kyrpides N., Ivanova N., Richardson P.;
RT "Complete sequence of Synechococcus sp. CC9902.";
RL Submitted (AUG-2005) to the EMBL/GenBank/DDBJ databases.
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; CP000097; ABB25017.1; -; Genomic_DNA.
DR RefSeq; WP_011358885.1; NC_007513.1.
DR AlphaFoldDB; Q3B0W1; -.
DR SMR; Q3B0W1; -.
DR STRING; 316279.Syncc9902_0042; -.
DR MEROPS; C26.957; -.
DR EnsemblBacteria; ABB25017; ABB25017; Syncc9902_0042.
DR KEGG; sye:Syncc9902_0042; -.
DR eggNOG; COG0518; Bacteria.
DR eggNOG; COG0519; Bacteria.
DR HOGENOM; CLU_014340_0_5_3; -.
DR OMA; KRKIIGH; -.
DR OrthoDB; 504464at2; -.
DR UniPathway; UPA00189; UER00296.
DR Proteomes; UP000002712; 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; IPR014729; Rossmann-like_a/b/a_fold.
DR Pfam; PF00117; GATase; 1.
DR Pfam; PF00958; GMP_synt_C; 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..528
FT /note="GMP synthase [glutamine-hydrolyzing]"
FT /id="PRO_1000120441"
FT DOMAIN 13..204
FT /note="Glutamine amidotransferase type-1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT DOMAIN 205..403
FT /note="GMPS ATP-PPase"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 90
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 178
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 180
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT BINDING 232..238
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
SQ SEQUENCE 528 AA; 58848 MW; 5B8E3FB9BF1251F8 CRC64;
MSQPSSDGQR QPAIVILDFG SQYSELIARR VRETEVFSVV IGYSTTADEL RRMAPKGIIL
SGGPSSVYAE HAPVCDPAIW DLGIPVLGVC YGMQLMVQQL GGAVEAATGK AEYGKAPLEV
DDPTDLLNNV ENGSTMWMSH GDSVKALPEG FVRLAHTANT PEAAVANLER KFYGVQFHPE
VVHSTCGMAL IRNFVNHICG CEQDWTTNAF IDEAVALVRE QVGQKRVLLA LSGGVDSSTL
AFLLKKAIGD QLTCMFIDQG FMRKGEPEFL MEFFDQKFNI NVEYINARKR FIDKLKGITD
PEDKRKIIGT EFIRVFEEES KRLGPFDYLA QGTLYPDVIE SAGTNVDPKT GERVAVKIKS
HHNVGGLPKD LRFKLVEPLR KLFKDEVRKV GRNLGLPEEI VRRHPFPGPG LAIRILGEVT
DEKLNCLRDA DLIVREEIRD AGLYHDIWQA FAVLLPVRSV GVMGDQRTYA WPIVLRCVSS
EDGMTADWSR LPYDLMERIS NRIVNEVKGV NRVVMDITSK PPGTIEWE
