ID   GUAA_MALP2              Reviewed;         511 AA.
AC   Q8EWS9;
DT   01-MAR-2004, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2003, sequence version 1.
DT   03-AUG-2022, entry version 112.
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=MYPE1220;
OS   Malacoplasma penetrans (strain HF-2) (Mycoplasma penetrans).
OC   Bacteria; Tenericutes; Mycoplasmoidales; Mycoplasmoidaceae; Malacoplasma.
OX   NCBI_TaxID=272633;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=HF-2;
RX   PubMed=12466555; DOI=10.1093/nar/gkf667;
RA   Sasaki Y., Ishikawa J., Yamashita A., Oshima K., Kenri T., Furuya K.,
RA   Yoshino C., Horino A., Shiba T., Sasaki T., Hattori M.;
RT   "The complete genomic sequence of Mycoplasma penetrans, an intracellular
RT   bacterial pathogen in humans.";
RL   Nucleic Acids Res. 30:5293-5300(2002).
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}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; BA000026; BAC43914.1; -; Genomic_DNA.
DR   RefSeq; WP_011076950.1; NC_004432.1.
DR   AlphaFoldDB; Q8EWS9; -.
DR   SMR; Q8EWS9; -.
DR   STRING; 272633.26453582; -.
DR   EnsemblBacteria; BAC43914; BAC43914; BAC43914.
DR   KEGG; mpe:MYPE1220; -.
DR   eggNOG; COG0519; Bacteria.
DR   HOGENOM; CLU_014340_0_5_14; -.
DR   OMA; KRKIIGH; -.
DR   OrthoDB; 504464at2; -.
DR   UniPathway; UPA00189; UER00296.
DR   Proteomes; UP000002522; 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..511
FT                   /note="GMP synthase [glutamine-hydrolyzing]"
FT                   /id="PRO_0000140148"
FT   DOMAIN          3..193
FT                   /note="Glutamine amidotransferase type-1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   DOMAIN          194..384
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        167
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   ACT_SITE        169
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT   BINDING         221..227
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
SQ   SEQUENCE   511 AA;  58069 MW;  B96D94D1EE030A24 CRC64;
     MDKILILDFG GQYTQLIARR IRDLNVYSEI VDYDISIEEI IKKNPKGIIL SGGYDSVYGD
     RSIKPNKGIW DLNIPILGIC YGFQVMMQEN GGQVENDKDS EEYGSTDIRL TTNELFENIE
     LDNNCWMSHS DSVIFLPKGF KVIASTNKCL VASACNREKK FYGVQFHPEV TQTTFGNQLL
     QNFVYSICDV AGDWEPKNIK LEKIEEIKSI VKDDYVLCAI SGGVDSLVAA VLTAQAIGDK
     LYCVFVDHGL LRKNESQEVC ALLKKLIGKN IFLVDQKQLF LSKLKGVVDP EQKRKIIGKT
     FIEVFEKVAN KINVPFKYLL QGTIYPDIVE SGSKFSKTIK SHHNVGGLPE RLQFELLEPL
     KYLFKDEVRK LGLSLDIPYQ NVYRQPFPGP GLAVRVLGEI TEDKLEIVRE ADFLFRSYID
     QLYKNSEHKP WQYFTVLTNS KSVGVVGDNR SYGYTLALRA VDSMDAMSAK WYKIPLEHLE
     KISSIICNKV KNISRVVYDI TNKPPGTIEW E