GUAA_STRPQ
ID GUAA_STRPQ Reviewed; 520 AA.
AC P0DB55; Q8K7E6;
DT 27-JUL-2011, integrated into UniProtKB/Swiss-Prot.
DT 27-JUL-2011, sequence version 1.
DT 03-AUG-2022, entry version 48.
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=SPs1045;
OS Streptococcus pyogenes serotype M3 (strain SSI-1).
OC Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC Streptococcus.
OX NCBI_TaxID=193567;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SSI-1;
RX PubMed=12799345; DOI=10.1101/gr.1096703;
RA Nakagawa I., Kurokawa K., Yamashita A., Nakata M., Tomiyasu Y.,
RA Okahashi N., Kawabata S., Yamazaki K., Shiba T., Yasunaga T., Hayashi H.,
RA Hattori M., Hamada S.;
RT "Genome sequence of an M3 strain of Streptococcus pyogenes reveals a large-
RT scale genomic rearrangement in invasive strains and new insights into phage
RT evolution.";
RL Genome Res. 13:1042-1055(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; BA000034; BAC64140.1; -; Genomic_DNA.
DR RefSeq; WP_002993734.1; NC_004606.1.
DR AlphaFoldDB; P0DB55; -.
DR SMR; P0DB55; -.
DR MEROPS; C26.957; -.
DR GeneID; 57852675; -.
DR KEGG; sps:SPs1045; -.
DR HOGENOM; CLU_014340_0_5_9; -.
DR OMA; KRKIIGH; -.
DR UniPathway; UPA00189; UER00296.
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.
FT CHAIN 1..520
FT /note="GMP synthase [glutamine-hydrolyzing]"
FT /id="PRO_0000411365"
FT DOMAIN 12..205
FT /note="Glutamine amidotransferase type-1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT DOMAIN 206..395
FT /note="GMPS ATP-PPase"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 89
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 179
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 181
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT BINDING 233..239
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
SQ SEQUENCE 520 AA; 57513 MW; A312918657CAB594 CRC64;
MTEISILNDV QKIIVLDYGS QYNQLIARRI REFGVFSELK SHKITAQELH EINPIGIVLS
GGPNSVYADN AFGIDPEIFE LGIPILGICY GMQLITHKLG GKVVPAGQAG NREYGQSTLH
LRETSKLFSG TPQEQLVLMS HGDAVTEIPE GFHLVGDSND CPYAAIENTE KNLYGIQFHP
EVRHSVYGND ILKNFAISIC GARGDWSMDN FIDMEITKIR ETVGDRKVLL GLSGGVDSSV
VGVLLQKAIG DQLTCIFVDH GLLRKDEGDQ VMGMLGGKFG LNIIRVDASK RFLDLLADVE
DPEKKRKIIG NEFVYVFDDE ASKLKGVDFL AQGTLYTDII ESGTETAQTI KSHHNVGGLP
EDMQFELIEP LNTLFKDEVR ALGIALGMPE EIVWRQPFPG PGLAIRVMGA ITEEKLETVR
ESDAILREEI AKAGLDRDVW QYFTVNTGVR SVGVMGDGRT YDYTIAIRAI TSIDGMTADF
AQLPWDVLKK ISTRIVNEVD HVNRIVYDIT SKPPATVEWE