ID A0A0S1S862_9FLAO Unreviewed; 346 AA.
AC A0A0S1S862;
DT 17-FEB-2016, integrated into UniProtKB/TrEMBL.
DT 17-FEB-2016, sequence version 1.
DT 27-MAR-2024, entry version 30.
DE RecName: Full=GMP reductase {ECO:0000256|HAMAP-Rule:MF_00596};
DE EC=1.7.1.7 {ECO:0000256|HAMAP-Rule:MF_00596};
DE AltName: Full=Guanosine 5'-monophosphate oxidoreductase {ECO:0000256|HAMAP-Rule:MF_00596};
DE Short=Guanosine monophosphate reductase {ECO:0000256|HAMAP-Rule:MF_00596};
GN Name=guaC {ECO:0000256|HAMAP-Rule:MF_00596};
GN ORFNames=SB49_01770 {ECO:0000313|EMBL:ALM06673.1};
OS Sediminicola sp. YIK13.
OC Bacteria; Bacteroidota; Flavobacteriia; Flavobacteriales;
OC Flavobacteriaceae; Sediminicola.
OX NCBI_TaxID=1453352 {ECO:0000313|EMBL:ALM06673.1, ECO:0000313|Proteomes:UP000063759};
RN [1] {ECO:0000313|Proteomes:UP000063759}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=YIK13 {ECO:0000313|Proteomes:UP000063759};
RA Kwon Y.M., Kim S.-J.;
RT "Genome sequence of Sediminicola sp. YIK13.";
RL Submitted (JAN-2015) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:ALM06673.1, ECO:0000313|Proteomes:UP000063759}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=YIK13 {ECO:0000313|EMBL:ALM06673.1,
RC ECO:0000313|Proteomes:UP000063759};
RX PubMed=26823585;
RA Kwon Y.M., Kim S.J.;
RT "Complete Genome Sequence of the Proteorhodopsin-Containing Marine
RT Bacterium Sediminicola sp. YIK13.";
RL Genome Announc. 4:e01635-15(2016).
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.
CC {ECO:0000256|ARBA:ARBA00037691, ECO:0000256|HAMAP-Rule:MF_00596,
CC ECO:0000256|RuleBase:RU003929}.
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;
CC Evidence={ECO:0000256|ARBA:ARBA00000930, ECO:0000256|HAMAP-
CC Rule:MF_00596, ECO:0000256|RuleBase:RU003929};
CC -!- SUBUNIT: Homotetramer. {ECO:0000256|HAMAP-Rule:MF_00596}.
CC -!- SIMILARITY: Belongs to the IMPDH/GMPR family. GuaC type 1 subfamily.
CC {ECO:0000256|HAMAP-Rule:MF_00596}.
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DR EMBL; CP010535; ALM06673.1; -; Genomic_DNA.
DR RefSeq; WP_062053282.1; NZ_CP010535.1.
DR AlphaFoldDB; A0A0S1S862; -.
DR STRING; 1453352.SB49_01770; -.
DR KEGG; syi:SB49_01770; -.
DR PATRIC; fig|1453352.4.peg.369; -.
DR OrthoDB; 9805398at2; -.
DR Proteomes; UP000063759; 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:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0006163; P:purine nucleotide metabolic process; IEA:UniProtKB-UniRule.
DR CDD; cd00381; IMPDH; 1.
DR Gene3D; 3.20.20.70; Aldolase class I; 1.
DR HAMAP; MF_00596; GMP_reduct_type1; 1.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR005993; GMPR.
DR InterPro; IPR015875; IMP_DH/GMP_Rdtase_CS.
DR InterPro; IPR001093; IMP_DH_GMPRt.
DR NCBIfam; TIGR01305; GMP_reduct_1; 1.
DR PANTHER; PTHR43170; GMP REDUCTASE; 1.
DR PANTHER; PTHR43170:SF5; GMP REDUCTASE; 1.
DR Pfam; PF00478; IMPDH; 1.
DR PIRSF; PIRSF000235; GMP_reductase; 1.
DR SMART; SM01240; IMPDH; 1.
DR SUPFAM; SSF51412; Inosine monophosphate dehydrogenase (IMPDH); 1.
DR PROSITE; PS00487; IMP_DH_GMP_RED; 1.
PE 3: Inferred from homology;
KW Metal-binding {ECO:0000256|HAMAP-Rule:MF_00596,
KW ECO:0000256|PIRSR:PIRSR000235-3};
KW NADP {ECO:0000256|ARBA:ARBA00022857, ECO:0000256|HAMAP-Rule:MF_00596};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002, ECO:0000256|HAMAP-
KW Rule:MF_00596};
KW Potassium {ECO:0000256|ARBA:ARBA00022958, ECO:0000256|HAMAP-Rule:MF_00596};
KW Reference proteome {ECO:0000313|Proteomes:UP000063759}.
FT DOMAIN 9..338
FT /note="IMP dehydrogenase/GMP reductase"
FT /evidence="ECO:0000259|Pfam:PF00478"
FT ACT_SITE 186
FT /note="Thioimidate intermediate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00596,
FT ECO:0000256|PIRSR:PIRSR000235-1"
FT BINDING 108..131
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00596"
FT BINDING 181
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00596,
FT ECO:0000256|PIRSR:PIRSR000235-3"
FT BINDING 183
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00596,
FT ECO:0000256|PIRSR:PIRSR000235-3"
FT BINDING 216..239
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00596"
SQ SEQUENCE 346 AA; 37608 MW; 459E416FC4E3F8CC CRC64;
MRIEQDIKLG FKDVLIRPKR SNLKSRAQVQ LERDFKFLHS DFSWSGIPII AANMDTVGTF
EMALALSGHK LFTAIHKHYS LSQWNQFLKN APADIVNYIA VSTGTGPSDT KRLATIFKDN
PTLKFICIDV ANGYSEHFVN FVKQSRTQYP DKVIIAGNVV TGEMVEELLL AGADIIKVGI
GPGSVCTTRV KTGVGYPQLS AIIECADAAH GLGGQIISDG GCTSPGDVAK AFGAGADFVM
LGGMLAGHDE SGGELIERHG HPYKQFYGMS STTAMDKHVG GVADYRASEG KTVEVPYKGK
VEHTLQDILG GLRSTCTYVG AQRLKELTKR TTFIRVAEQE NKIYTE
//
