GUAA_SYNS3
ID GUAA_SYNS3 Reviewed; 528 AA.
AC Q0IE37;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 03-OCT-2006, sequence version 1.
DT 03-AUG-2022, entry version 106.
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=sync_0047;
OS Synechococcus sp. (strain CC9311).
OC Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus;
OC unclassified Synechococcus.
OX NCBI_TaxID=64471;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CC9311;
RX PubMed=16938853; DOI=10.1073/pnas.0602963103;
RA Palenik B., Ren Q., Dupont C.L., Myers G.S., Heidelberg J.F., Badger J.H.,
RA Madupu R., Nelson W.C., Brinkac L.M., Dodson R.J., Durkin A.S.,
RA Daugherty S.C., Sullivan S.A., Khouri H., Mohamoud Y., Halpin R.,
RA Paulsen I.T.;
RT "Genome sequence of Synechococcus CC9311: insights into adaptation to a
RT coastal environment.";
RL Proc. Natl. Acad. Sci. U.S.A. 103:13555-13559(2006).
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; CP000435; ABI47248.1; -; Genomic_DNA.
DR RefSeq; WP_011618037.1; NC_008319.1.
DR AlphaFoldDB; Q0IE37; -.
DR SMR; Q0IE37; -.
DR STRING; 64471.sync_0047; -.
DR PRIDE; Q0IE37; -.
DR EnsemblBacteria; ABI47248; ABI47248; sync_0047.
DR KEGG; syg:sync_0047; -.
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; UP000001961; 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_1000120440"
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; 58658 MW; 8F820C6B567DAB5A CRC64;
MSSVQSEGQR KPAIVILDFG SQYSELIARR VRETEVFSVV LGYSTSAEEL RALAPRGIIL
SGGPSSVYAD EAPLCDPAIW DLGVPVLGVC YGMQLMVQQL GGQVVAATGK AEYGKAPLKV
DDPTALLTNV ESGSTMWMSH GDSVEALPDG FLRLAHTANT PEAAIANHKR RLYGVQFHPE
VVHSTGGMVM IRNFVYHICG CEPDWTTEAF IDEAVANVRD QVGQKRVLLA LSGGVDSSTL
AFLLKKAIGD QLTCMFIDQG FMRKGEPEFL MEFFDRKFNI HVEYINARER FIKKLDGITD
PEEKRKIIGT EFIRVFEEES RRLGPFDYLV QGTLYPDVIE SAGTNVDPKT GERVAVKIKS
HHNVGGLPKD LRFKLVEPLR KLFKDEVRKV GRTLGLPEEI VSRHPFPGPG LAIRILGEVT
EEKLDCLRDA DLIVREEVNA AGLYHDIWQA FAVLLPVRSV GVMGDKRTYA WPIVLRCVSS
EDGMTADWSR LPYDLMEVIS NRIVNEVKGV NRVVMDITSK PPGTIEWE
