ID M3W4C4_FELCA Unreviewed; 315 AA.
AC M3W4C4;
DT 01-MAY-2013, integrated into UniProtKB/TrEMBL.
DT 11-DEC-2019, sequence version 2.
DT 24-JAN-2024, entry version 65.
DE RecName: Full=GMP reductase {ECO:0000256|HAMAP-Rule:MF_03195};
DE Short=GMPR {ECO:0000256|HAMAP-Rule:MF_03195};
DE EC=1.7.1.7 {ECO:0000256|HAMAP-Rule:MF_03195};
DE AltName: Full=Guanosine 5'-monophosphate oxidoreductase {ECO:0000256|HAMAP-Rule:MF_03195};
DE Short=Guanosine monophosphate reductase {ECO:0000256|HAMAP-Rule:MF_03195};
GN Name=GMPR2 {ECO:0000313|Ensembl:ENSFCAP00000005191.4,
GN ECO:0000313|VGNC:VGNC:62613};
GN Synonyms=GMPR {ECO:0000256|HAMAP-Rule:MF_03195};
OS Felis catus (Cat) (Felis silvestris catus).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Eutheria; Laurasiatheria; Carnivora; Feliformia; Felidae; Felinae; Felis.
OX NCBI_TaxID=9685 {ECO:0000313|Ensembl:ENSFCAP00000005191.4, ECO:0000313|Proteomes:UP000011712};
RN [1] {ECO:0000313|Ensembl:ENSFCAP00000005191.4, ECO:0000313|Proteomes:UP000011712}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Abyssinian {ECO:0000313|Ensembl:ENSFCAP00000005191.4,
RC ECO:0000313|Proteomes:UP000011712};
RX PubMed=17975172; DOI=10.1101/gr.6380007;
RA Pontius J.U., Mullikin J.C., Smith D.R., Lindblad-Toh K., Gnerre S.,
RA Clamp M., Chang J., Stephens R., Neelam B., Volfovsky N., Schaffer A.A.,
RA Agarwala R., Narfstrom K., Murphy W.J., Giger U., Roca A.L., Antunes A.,
RA Menotti-Raymond M., Yuhki N., Pecon-Slattery J., Johnson W.E., Bourque G.,
RA Tesler G., O'Brien S.J.;
RT "Initial sequence and comparative analysis of the cat genome.";
RL Genome Res. 17:1675-1689(2007).
RN [2] {ECO:0000313|Ensembl:ENSFCAP00000005191.4, ECO:0000313|Proteomes:UP000011712}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Abyssinian {ECO:0000313|Ensembl:ENSFCAP00000005191.4,
RC ECO:0000313|Proteomes:UP000011712};
RA Hillier L.W., Warren W., Obrien S., Wilson R.K.;
RT "Sequence assembly of the Felis catus genome version 6.2.";
RL Submitted (SEP-2011) to the EMBL/GenBank/DDBJ databases.
RN [3] {ECO:0000313|Ensembl:ENSFCAP00000005191.4}
RP IDENTIFICATION.
RC STRAIN=breed Abyssinian {ECO:0000313|Ensembl:ENSFCAP00000005191.4};
RG Ensembl;
RL Submitted (SEP-2023) to UniProtKB.
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:0000256|HAMAP-
CC Rule:MF_03195}.
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_03195};
CC -!- SUBUNIT: Homotetramer. {ECO:0000256|HAMAP-Rule:MF_03195}.
CC -!- SIMILARITY: Belongs to the IMPDH/GMPR family. GuaC type 1 subfamily.
CC {ECO:0000256|HAMAP-Rule:MF_03195}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_03195}.
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DR EMBL; AANG04001761; -; NOT_ANNOTATED_CDS; Genomic_DNA.
DR AlphaFoldDB; M3W4C4; -.
DR Ensembl; ENSFCAT00000005594.6; ENSFCAP00000005191.4; ENSFCAG00000005592.6.
DR VGNC; VGNC:62613; GMPR2.
DR eggNOG; KOG2550; Eukaryota.
DR GeneTree; ENSGT00940000159574; -.
DR HOGENOM; CLU_022552_5_3_1; -.
DR Proteomes; UP000011712; Chromosome B3.
DR Bgee; ENSFCAG00000005592; Expressed in eyeball of camera-type eye and 10 other cell types or tissues.
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:0006144; P:purine nucleobase metabolic process; 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; 2.
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 PANTHER; PTHR43170; GMP REDUCTASE; 1.
DR PANTHER; PTHR43170:SF4; GMP REDUCTASE 2; 1.
DR Pfam; PF00478; IMPDH; 2.
DR PIRSF; PIRSF000235; GMP_reductase; 2.
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_03195,
KW ECO:0000256|PIRSR:PIRSR000235-3};
KW NADP {ECO:0000256|ARBA:ARBA00022857, ECO:0000256|HAMAP-Rule:MF_03195};
KW Oxidoreductase {ECO:0000256|HAMAP-Rule:MF_03195};
KW Potassium {ECO:0000256|ARBA:ARBA00022958, ECO:0000256|HAMAP-Rule:MF_03195};
KW Purine metabolism {ECO:0000256|ARBA:ARBA00022631, ECO:0000256|HAMAP-
KW Rule:MF_03195}; Reference proteome {ECO:0000313|Proteomes:UP000011712}.
FT DOMAIN 10..84
FT /note="IMP dehydrogenase/GMP reductase"
FT /evidence="ECO:0000259|Pfam:PF00478"
FT DOMAIN 115..306
FT /note="IMP dehydrogenase/GMP reductase"
FT /evidence="ECO:0000259|Pfam:PF00478"
FT ACT_SITE 153
FT /note="Thioimidate intermediate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03195,
FT ECO:0000256|PIRSR:PIRSR000235-1"
FT ACT_SITE 155
FT /note="Proton donor/acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03195"
FT BINDING 26..27
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /ligand_note="ligand shared between two neighboring
FT subunits"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03195"
FT BINDING 78
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /ligand_note="ligand shared between two neighboring
FT subunits"
FT /note="in other chain"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03195"
FT BINDING 147..148
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /ligand_note="ligand shared between two neighboring
FT subunits"
FT /note="in other chain"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03195"
FT BINDING 148
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03195,
FT ECO:0000256|PIRSR:PIRSR000235-3"
FT BINDING 150
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03195,
FT ECO:0000256|PIRSR:PIRSR000235-3"
FT BINDING 153
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03195"
FT BINDING 156
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03195"
FT BINDING 186..188
FT /ligand="GMP"
FT /ligand_id="ChEBI:CHEBI:58115"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03195"
FT BINDING 209..210
FT /ligand="GMP"
FT /ligand_id="ChEBI:CHEBI:58115"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03195"
FT BINDING 235..237
FT /ligand="GMP"
FT /ligand_id="ChEBI:CHEBI:58115"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03195"
FT BINDING 236
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /ligand_note="ligand shared between two neighboring
FT subunits"
FT /note="in other chain"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03195"
FT BINDING 252..253
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /ligand_note="ligand shared between two neighboring
FT subunits"
FT /note="in other chain"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03195"
FT BINDING 253..257
FT /ligand="GMP"
FT /ligand_id="ChEBI:CHEBI:58115"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03195"
FT BINDING 281..284
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /ligand_note="ligand shared between two neighboring
FT subunits"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_03195"
SQ SEQUENCE 315 AA; 34068 MW; 8ECC91772FEF2C3D CRC64;
MPHIDNDVKL DFKDVLLRPK RSTLKSRSEV DLTRSFSFRN SKQMYTGIPI IAANMDTVGT
FEMAKVLCKF SLFTAVHKHY SLEQWKDFAS QNPDCLQHLA ASSGMGSSDF EQLEQILEAV
PQAGNVVTGE MVEELILSGA DIIKVGIGPG SVCTTRKKTG VGYPQLSAVM ECADAAHGLK
GHIISDGGCS CPGDVAKAFG AGADFVMLGG MLAGHNESGG ELIERDGKKY KLFYGMSSEM
AMKKYAGGVA EYRASEGKTV EVPFKGDVDH TIRDILGGIR STCTYVGAAK LKELSRRTTF
IRVTQQVNPI FSDDS
//