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GUAC_STAAM
ID   GUAC_STAAM              Reviewed;         325 AA.
AC   P60562; Q99UD9;
DT   15-MAR-2004, integrated into UniProtKB/Swiss-Prot.
DT   15-MAR-2004, sequence version 1.
DT   03-AUG-2022, entry version 99.
DE   RecName: Full=GMP reductase {ECO:0000255|HAMAP-Rule:MF_01511};
DE            EC=1.7.1.7 {ECO:0000255|HAMAP-Rule:MF_01511};
DE   AltName: Full=Guanosine 5'-monophosphate oxidoreductase {ECO:0000255|HAMAP-Rule:MF_01511};
DE            Short=Guanosine monophosphate reductase {ECO:0000255|HAMAP-Rule:MF_01511};
GN   Name=guaC {ECO:0000255|HAMAP-Rule:MF_01511}; OrderedLocusNames=SAV1337;
OS   Staphylococcus aureus (strain Mu50 / ATCC 700699).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=158878;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Mu50 / ATCC 700699;
RX   PubMed=11418146; DOI=10.1016/s0140-6736(00)04403-2;
RA   Kuroda M., Ohta T., Uchiyama I., Baba T., Yuzawa H., Kobayashi I., Cui L.,
RA   Oguchi A., Aoki K., Nagai Y., Lian J.-Q., Ito T., Kanamori M.,
RA   Matsumaru H., Maruyama A., Murakami H., Hosoyama A., Mizutani-Ui Y.,
RA   Takahashi N.K., Sawano T., Inoue R., Kaito C., Sekimizu K., Hirakawa H.,
RA   Kuhara S., Goto S., Yabuzaki J., Kanehisa M., Yamashita A., Oshima K.,
RA   Furuya K., Yoshino C., Shiba T., Hattori M., Ogasawara N., Hayashi H.,
RA   Hiramatsu K.;
RT   "Whole genome sequencing of meticillin-resistant Staphylococcus aureus.";
RL   Lancet 357:1225-1240(2001).
CC   -!- FUNCTION: Catalyzes the irreversible NADPH-dependent deamination of GMP
CC       to IMP. It functions in the conversion of nucleobase, nucleoside and
CC       nucleotide derivatives of G to A nucleotides, and in maintaining the
CC       intracellular balance of A and G nucleotides. {ECO:0000255|HAMAP-
CC       Rule:MF_01511}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=IMP + NADP(+) + NH4(+) = GMP + 2 H(+) + NADPH;
CC         Xref=Rhea:RHEA:17185, ChEBI:CHEBI:15378, ChEBI:CHEBI:28938,
CC         ChEBI:CHEBI:57783, ChEBI:CHEBI:58053, ChEBI:CHEBI:58115,
CC         ChEBI:CHEBI:58349; EC=1.7.1.7; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01511};
CC   -!- SIMILARITY: Belongs to the IMPDH/GMPR family. GuaC type 2 subfamily.
CC       {ECO:0000255|HAMAP-Rule:MF_01511}.
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DR   EMBL; BA000017; BAB57499.1; -; Genomic_DNA.
DR   RefSeq; WP_000688122.1; NC_002758.2.
DR   AlphaFoldDB; P60562; -.
DR   SMR; P60562; -.
DR   World-2DPAGE; 0002:P60562; -.
DR   PaxDb; P60562; -.
DR   EnsemblBacteria; BAB57499; BAB57499; SAV1337.
DR   KEGG; sav:SAV1337; -.
DR   HOGENOM; CLU_022552_5_0_9; -.
DR   OMA; AYKEYFG; -.
DR   PhylomeDB; P60562; -.
DR   BioCyc; SAUR158878:SAV_RS07205-MON; -.
DR   Proteomes; UP000002481; Chromosome.
DR   GO; GO:1902560; C:GMP reductase complex; IEA:InterPro.
DR   GO; GO:0003920; F:GMP reductase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006163; P:purine nucleotide metabolic process; IEA:UniProtKB-UniRule.
DR   CDD; cd00381; IMPDH; 1.
DR   Gene3D; 3.20.20.70; -; 1.
DR   HAMAP; MF_01511; GMP_reduct_type2; 1.
DR   InterPro; IPR013785; Aldolase_TIM.
DR   InterPro; IPR005994; GuaC_type_2.
DR   InterPro; IPR015875; IMP_DH/GMP_Rdtase_CS.
DR   InterPro; IPR001093; IMP_DH_GMPRt.
DR   Pfam; PF00478; IMPDH; 1.
DR   PIRSF; PIRSF036500; GMP_red_Firmic; 1.
DR   TIGRFAMs; TIGR01306; GMP_reduct_2; 1.
DR   PROSITE; PS00487; IMP_DH_GMP_RED; 1.
PE   3: Inferred from homology;
KW   NADP; Oxidoreductase.
FT   CHAIN           1..325
FT                   /note="GMP reductase"
FT                   /id="PRO_0000093766"
FT   ACT_SITE        174
FT                   /note="Thioimidate intermediate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01511"
FT   BINDING         203..226
FT                   /ligand="NADP(+)"
FT                   /ligand_id="ChEBI:CHEBI:58349"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01511"
SQ   SEQUENCE   325 AA;  36129 MW;  F8FF7A9D55552BBC CRC64;
     MKIFDYEDIQ LIPNKCIVES RSECDTTIQF GPKKFKLPVV PANMQTVMNE KLAKWFAEND
     YFYIMHRFDE EARIPFIKHM QNSGLFASIS VGVKKAEFDF IEKLAQEKLI PEYITIDIAH
     GHSDSVINMI KHIKNHIPDS FVIAGNVGTP EGVRELENAG ADATKVGIGP GRVCITKIKT
     GFGTGGWQLA ALNICSKAAR KPLIADGGIR THGDIAKSIR FGASMVMIGS LFAAHEESPG
     ETVELDGKQY KEYFGSASEF QKGEHKNVEG KKMFVEHKGS LMDTLKEMQQ DLQSSISYAG
     GKDLKSLRTV DYVIVRNSIF NGDRD
 
 
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