ID G8RSG5_MYCRN Unreviewed; 478 AA.
AC G8RSG5;
DT 22-FEB-2012, integrated into UniProtKB/TrEMBL.
DT 22-FEB-2012, sequence version 1.
DT 27-MAR-2024, entry version 55.
DE RecName: Full=GMP reductase {ECO:0000256|HAMAP-Rule:MF_02250};
DE EC=1.7.1.7 {ECO:0000256|HAMAP-Rule:MF_02250};
DE AltName: Full=Guanosine 5'-monophosphate reductase {ECO:0000256|HAMAP-Rule:MF_02250};
DE Short=GMPR {ECO:0000256|HAMAP-Rule:MF_02250};
GN Name=guaB1 {ECO:0000256|HAMAP-Rule:MF_02250};
GN OrderedLocusNames=MycrhN_4827 {ECO:0000313|EMBL:AEV75308.1};
OS Mycolicibacterium rhodesiae (strain NBB3) (Mycobacterium rhodesiae).
OC Bacteria; Actinomycetota; Actinomycetes; Mycobacteriales; Mycobacteriaceae;
OC Mycolicibacterium.
OX NCBI_TaxID=710685 {ECO:0000313|EMBL:AEV75308.1, ECO:0000313|Proteomes:UP000005442};
RN [1] {ECO:0000313|EMBL:AEV75308.1, ECO:0000313|Proteomes:UP000005442}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NBB3 {ECO:0000313|EMBL:AEV75308.1,
RC ECO:0000313|Proteomes:UP000005442};
RG US DOE Joint Genome Institute;
RA Lucas S., Han J., Lapidus A., Cheng J.-F., Goodwin L., Pitluck S.,
RA Peters L., Mikhailova N., Gu W., Detter J.C., Han C., Tapia R., Land M.,
RA Hauser L., Kyrpides N., Ivanova N., Pagani I., Mattes T., Holmes A.,
RA Rutledge P., Paulsen I., Coleman N., Woyke T.;
RT "Complete sequence of Mycobacterium rhodesiae NBB3.";
RL Submitted (DEC-2011) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Involved in the purine-salvage pathway. Catalyzes the NADPH-
CC dependent conversion of GMP to IMP. {ECO:0000256|HAMAP-Rule:MF_02250}.
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:0000256|HAMAP-
CC Rule:MF_02250};
CC -!- COFACTOR:
CC Name=a monovalent cation; Xref=ChEBI:CHEBI:60242;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_02250};
CC -!- PATHWAY: Purine metabolism; IMP biosynthesis via salvage pathway.
CC {ECO:0000256|HAMAP-Rule:MF_02250}.
CC -!- SIMILARITY: Belongs to the IMPDH/GMPR family. GuaB1 subfamily.
CC {ECO:0000256|HAMAP-Rule:MF_02250}.
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DR EMBL; CP003169; AEV75308.1; -; Genomic_DNA.
DR RefSeq; WP_014213051.1; NC_016604.1.
DR AlphaFoldDB; G8RSG5; -.
DR STRING; 710685.MycrhN_4827; -.
DR KEGG; mrh:MycrhN_4827; -.
DR PATRIC; fig|710685.3.peg.4833; -.
DR eggNOG; COG0516; Bacteria.
DR eggNOG; COG0517; Bacteria.
DR HOGENOM; CLU_022552_2_1_11; -.
DR OrthoDB; 9805398at2; -.
DR Proteomes; UP000005442; Chromosome.
DR GO; GO:0003920; F:GMP reductase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0003938; F:IMP dehydrogenase activity; IEA:InterPro.
DR GO; GO:0006164; P:purine nucleotide biosynthetic process; IEA:InterPro.
DR GO; GO:0006166; P:purine ribonucleoside salvage; IEA:UniProtKB-KW.
DR CDD; cd02205; CBS_pair_SF; 1.
DR CDD; cd00381; IMPDH; 1.
DR Gene3D; 3.20.20.70; Aldolase class I; 1.
DR HAMAP; MF_02250; GMPR_GuaB1; 1.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR000644; CBS_dom.
DR InterPro; IPR046342; CBS_dom_sf.
DR InterPro; IPR005991; GUAB1.
DR InterPro; IPR005990; IMP_DH.
DR InterPro; IPR001093; IMP_DH_GMPRt.
DR NCBIfam; TIGR01303; IMP_DH_rel_1; 1.
DR PANTHER; PTHR43170; GMP REDUCTASE; 1.
DR PANTHER; PTHR43170:SF5; GMP REDUCTASE; 1.
DR Pfam; PF00571; CBS; 2.
DR Pfam; PF00478; IMPDH; 1.
DR PIRSF; PIRSF000130; IMPDH; 1.
DR SMART; SM01240; IMPDH; 1.
DR SUPFAM; SSF54631; CBS-domain pair; 1.
DR SUPFAM; SSF51412; Inosine monophosphate dehydrogenase (IMPDH); 1.
PE 3: Inferred from homology;
KW CBS domain {ECO:0000256|ARBA:ARBA00023122};
KW NAD {ECO:0000256|PIRSR:PIRSR000130-3};
KW NADP {ECO:0000256|ARBA:ARBA00022857, ECO:0000256|HAMAP-Rule:MF_02250};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002, ECO:0000256|HAMAP-
KW Rule:MF_02250}; Potassium {ECO:0000256|PIRSR:PIRSR000130-4};
KW Purine salvage {ECO:0000256|ARBA:ARBA00022726, ECO:0000256|HAMAP-
KW Rule:MF_02250}; Reference proteome {ECO:0000313|Proteomes:UP000005442};
KW Repeat {ECO:0000256|ARBA:ARBA00022737}.
FT DOMAIN 13..473
FT /note="IMP dehydrogenase/GMP reductase"
FT /evidence="ECO:0000259|Pfam:PF00478"
FT DOMAIN 93..137
FT /note="CBS"
FT /evidence="ECO:0000259|Pfam:PF00571"
FT DOMAIN 149..202
FT /note="CBS"
FT /evidence="ECO:0000259|Pfam:PF00571"
FT ACT_SITE 302
FT /note="Thioimidate intermediate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02250"
FT BINDING 245..247
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000130-3"
FT BINDING 245..247
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02250"
FT BINDING 295..297
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000130-3"
FT BINDING 295..297
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_02250"
FT BINDING 297
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /ligand_note="ligand shared between two tetrameric
FT partners"
FT /note="in other chain"
FT /evidence="ECO:0000256|PIRSR:PIRSR000130-4"
FT BINDING 299
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /ligand_note="ligand shared between two tetrameric
FT partners"
FT /note="in other chain"
FT /evidence="ECO:0000256|PIRSR:PIRSR000130-4"
FT BINDING 302
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /ligand_note="ligand shared between two tetrameric
FT partners"
FT /note="in other chain"
FT /evidence="ECO:0000256|PIRSR:PIRSR000130-4"
SQ SEQUENCE 478 AA; 49776 MW; 1912B5E41FA2CF4B CRC64;
MKFLHGNKPA YDLTYTDVFI VPGRSDVLSR MDVDLSTSDG SGTTIPVVVA NMTAVAGRRM
AETVARRGGI VVLPQDLPIS AVQQTVEFVK SRDLVVDTPV VLSPDDSVSD ATALIHKRAH
GAAVVIFEGR PIGLVTEAGC AGVDRFTRVR DIAITDFVSA PTGTDPRKVF DLLEHAPVDV
AVLTEPDGTL AGVLTRTAAI RAGIYTPAVD GKGRLRIAAA VGINGDVGAK ARSLAEAGVD
LLVIDTAHGH QLRMLDAIKS VASLDLGLPL AAGNVVSAEG TRDLISAGAS IVKVGVGPGA
MCTTRMMTGV GRPQFSAVLE CADAAKQLGA HVWADGGVRH PRDVALALAA GASNVMIGSW
FAGTYESPGD LMRDRDDRPY KESYGMASKR AVAARTAGDD PFDQARKALF EEGISTSRMG
LDPSRGGVED LLDHITSGVR STATYVGATS LAELHEKVVL GVQSAAGFAE GHPLPTGW
//
