ID GUAA_CERS1 Reviewed; 518 AA.
AC A3PK79;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 03-APR-2007, sequence version 1.
DT 27-MAR-2024, entry version 95.
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=Rsph17029_1635;
OS Cereibacter sphaeroides (strain ATCC 17029 / ATH 2.4.9) (Rhodobacter
OS sphaeroides).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales;
OC Paracoccaceae; Cereibacter.
OX NCBI_TaxID=349101;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 17029 / ATH 2.4.9;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA Kiss H., Brettin T., Bruce D., Han C., Tapia R., Gilna P., Schmutz J.,
RA Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Richardson P.,
RA Mackenzie C., Choudhary M., Donohue T.J., Kaplan S.;
RT "Complete sequence of chromosome 1 of Rhodobacter sphaeroides ATCC 17029.";
RL Submitted (FEB-2007) 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; CP000577; ABN76745.1; -; Genomic_DNA.
DR AlphaFoldDB; A3PK79; -.
DR SMR; A3PK79; -.
DR MEROPS; C26.957; -.
DR KEGG; rsh:Rsph17029_1635; -.
DR HOGENOM; CLU_014340_0_5_5; -.
DR UniPathway; UPA00189; UER00296.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0003921; F:GMP synthase 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; 3.30.300.10; -; 1.
DR Gene3D; 3.40.50.880; -; 1.
DR Gene3D; 3.40.50.620; HUPs; 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 NCBIfam; TIGR00884; guaA_Cterm; 1.
DR NCBIfam; TIGR00888; guaA_Nterm; 1.
DR PANTHER; PTHR11922:SF2; GMP SYNTHASE [GLUTAMINE-HYDROLYZING]; 1.
DR PANTHER; PTHR11922; GMP SYNTHASE-RELATED; 1.
DR Pfam; PF00117; GATase; 1.
DR Pfam; PF00958; GMP_synt_C; 1.
DR Pfam; PF02540; NAD_synthase; 1.
DR PRINTS; PR00097; ANTSNTHASEII.
DR PRINTS; PR00096; GATASE.
DR SUPFAM; SSF52402; Adenine nucleotide alpha hydrolases-like; 1.
DR SUPFAM; SSF52317; Class I glutamine amidotransferase-like; 1.
DR SUPFAM; SSF54810; GMP synthetase C-terminal dimerisation domain; 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..518
FT /note="GMP synthase [glutamine-hydrolyzing]"
FT /id="PRO_1000120383"
FT DOMAIN 6..200
FT /note="Glutamine amidotransferase type-1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT DOMAIN 201..393
FT /note="GMPS ATP-PPase"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 84
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 175
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT ACT_SITE 177
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
FT BINDING 228..234
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00344"
SQ SEQUENCE 518 AA; 56985 MW; 2AC907AD076C11C1 CRC64;
MTQHDRLLII DFGSQVTQLI ARRLRELNVY CEIHPYQNVT EAFLKGFAPK AVIFSGGPSS
VFAEGAPMPP AGVFDLGVPI LGICYGQQVM MHCLGGKVER GHGTAEFGRA FVTPTAERLA
ILDGWFEEGR EQVWMSHGDH VSQIAPGFQV FGTSPNAPFA ITGDPARHFY AVQFHPEVHH
TPKGAKLYEN FVRLAGFKGD WTMGAYREEA IARIRAQVGD QKVICGLSGG VDSSVAAVLI
HEAIGDQLTC VFVDHGLLRL GEAEQVVTMF RDHYNMPLIH ADESDLFLGA LEGVSDPEVK
RKTIGRLFID VFQKHAADVG GATFLAQGTL YPDVIESVSF SGGPSVTIKS HHNVGGLPEK
MGLKLVEPLR ELFKDEVRAL GRELGLPESF IGRHPFPGPG LAIRCPGEIT REKLEILRRA
DAVYIDQIRR HGLYDEIWQA FVALLPVRTV GVMGDGRTYD YACALRAVTS VDGMTADYYP
FTHDFLGETA TRIINEVQGI NRVTYDITSK PPGTIEWE
//
