ID Q39V69_GEOMG Unreviewed; 370 AA.
AC Q39V69;
DT 22-NOV-2005, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2005, sequence version 1.
DT 27-MAR-2024, entry version 105.
DE RecName: Full=Riboflavin biosynthesis protein RibD {ECO:0000256|PIRNR:PIRNR006769};
DE Includes:
DE RecName: Full=Diaminohydroxyphosphoribosylaminopyrimidine deaminase {ECO:0000256|PIRNR:PIRNR006769};
DE Short=DRAP deaminase {ECO:0000256|PIRNR:PIRNR006769};
DE EC=3.5.4.26 {ECO:0000256|PIRNR:PIRNR006769};
DE AltName: Full=Riboflavin-specific deaminase {ECO:0000256|PIRNR:PIRNR006769};
DE Includes:
DE RecName: Full=5-amino-6-(5-phosphoribosylamino)uracil reductase {ECO:0000256|PIRNR:PIRNR006769};
DE EC=1.1.1.193 {ECO:0000256|PIRNR:PIRNR006769};
DE AltName: Full=HTP reductase {ECO:0000256|PIRNR:PIRNR006769};
GN Name=ribD {ECO:0000313|EMBL:ABB31855.1};
GN OrderedLocusNames=Gmet_1624 {ECO:0000313|EMBL:ABB31855.1};
OS Geobacter metallireducens (strain ATCC 53774 / DSM 7210 / GS-15).
OC Bacteria; Thermodesulfobacteriota; Desulfuromonadia; Geobacterales;
OC Geobacteraceae; Geobacter.
OX NCBI_TaxID=269799 {ECO:0000313|EMBL:ABB31855.1, ECO:0000313|Proteomes:UP000007073};
RN [1] {ECO:0000313|EMBL:ABB31855.1, ECO:0000313|Proteomes:UP000007073}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 53774 / DSM 7210 / GS-15
RC {ECO:0000313|Proteomes:UP000007073};
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T.,
RA Hammon N., Israni S., Pitluck S., Di Bartolo G., Chain P., Schmutz J.,
RA Larimer F., Land M., Kyrpides N., Ivanova N., Richardson P.;
RT "Complete sequence of Geobacter metallireducens GS-15.";
RL Submitted (OCT-2005) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:ABB31855.1, ECO:0000313|Proteomes:UP000007073}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 53774 / DSM 7210 / GS-15
RC {ECO:0000313|Proteomes:UP000007073};
RX PubMed=19473543; DOI=10.1186/1471-2180-9-109;
RA Aklujkar M., Krushkal J., DiBartolo G., Lapidus A., Land M.L., Lovley D.R.;
RT "The genome sequence of Geobacter metallireducens: features of metabolism,
RT physiology and regulation common and dissimilar to Geobacter
RT sulfurreducens.";
RL BMC Microbiol. 9:109-109(2009).
CC -!- FUNCTION: Converts 2,5-diamino-6-(ribosylamino)-4(3h)-pyrimidinone 5'-
CC phosphate into 5-amino-6-(ribosylamino)-2,4(1h,3h)-pyrimidinedione 5'-
CC phosphate. {ECO:0000256|ARBA:ARBA00002151,
CC ECO:0000256|PIRNR:PIRNR006769}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2,5-diamino-6-hydroxy-4-(5-phosphoribosylamino)-pyrimidine +
CC H(+) + H2O = 5-amino-6-(5-phospho-D-ribosylamino)uracil + NH4(+);
CC Xref=Rhea:RHEA:21868, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:28938, ChEBI:CHEBI:58453, ChEBI:CHEBI:58614; EC=3.5.4.26;
CC Evidence={ECO:0000256|PIRNR:PIRNR006769};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=5-amino-6-(5-phospho-D-ribitylamino)uracil + NADP(+) = 5-
CC amino-6-(5-phospho-D-ribosylamino)uracil + H(+) + NADPH;
CC Xref=Rhea:RHEA:17845, ChEBI:CHEBI:15378, ChEBI:CHEBI:57783,
CC ChEBI:CHEBI:58349, ChEBI:CHEBI:58421, ChEBI:CHEBI:58453;
CC EC=1.1.1.193; Evidence={ECO:0000256|PIRNR:PIRNR006769};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|PIRNR:PIRNR006769,
CC ECO:0000256|PIRSR:PIRSR006769-3};
CC Note=Binds 1 zinc ion. {ECO:0000256|PIRNR:PIRNR006769,
CC ECO:0000256|PIRSR:PIRSR006769-3};
CC -!- PATHWAY: Cofactor biosynthesis; riboflavin biosynthesis; 5-amino-6-(D-
CC ribitylamino)uracil from GTP: step 2/4. {ECO:0000256|ARBA:ARBA00004882,
CC ECO:0000256|PIRNR:PIRNR006769}.
CC -!- PATHWAY: Cofactor biosynthesis; riboflavin biosynthesis; 5-amino-6-(D-
CC ribitylamino)uracil from GTP: step 3/4. {ECO:0000256|ARBA:ARBA00004910,
CC ECO:0000256|PIRNR:PIRNR006769}.
CC -!- SIMILARITY: In the C-terminal section; belongs to the HTP reductase
CC family. {ECO:0000256|ARBA:ARBA00007417, ECO:0000256|PIRNR:PIRNR006769}.
CC -!- SIMILARITY: In the N-terminal section; belongs to the cytidine and
CC deoxycytidylate deaminase family. {ECO:0000256|ARBA:ARBA00005259,
CC ECO:0000256|PIRNR:PIRNR006769}.
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DR EMBL; CP000148; ABB31855.1; -; Genomic_DNA.
DR RefSeq; WP_004511440.1; NC_007517.1.
DR AlphaFoldDB; Q39V69; -.
DR STRING; 269799.Gmet_1624; -.
DR KEGG; gme:Gmet_1624; -.
DR eggNOG; COG0117; Bacteria.
DR eggNOG; COG1985; Bacteria.
DR HOGENOM; CLU_036590_1_2_7; -.
DR UniPathway; UPA00275; UER00401.
DR Proteomes; UP000007073; Chromosome.
DR GO; GO:0008703; F:5-amino-6-(5-phosphoribosylamino)uracil reductase activity; IEA:UniProtKB-EC.
DR GO; GO:0008835; F:diaminohydroxyphosphoribosylaminopyrimidine deaminase activity; IEA:UniProtKB-EC.
DR GO; GO:0050661; F:NADP binding; IEA:InterPro.
DR GO; GO:0008270; F:zinc ion binding; IEA:InterPro.
DR GO; GO:0009231; P:riboflavin biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd01284; Riboflavin_deaminase-reductase; 1.
DR Gene3D; 3.40.140.10; Cytidine Deaminase, domain 2; 1.
DR Gene3D; 3.40.430.10; Dihydrofolate Reductase, subunit A; 1.
DR InterPro; IPR016192; APOBEC/CMP_deaminase_Zn-bd.
DR InterPro; IPR002125; CMP_dCMP_dom.
DR InterPro; IPR016193; Cytidine_deaminase-like.
DR InterPro; IPR024072; DHFR-like_dom_sf.
DR InterPro; IPR004794; Eubact_RibD.
DR InterPro; IPR011549; RibD_C.
DR InterPro; IPR002734; RibDG_C.
DR NCBIfam; TIGR00326; eubact_ribD; 1.
DR NCBIfam; TIGR00227; ribD_Cterm; 1.
DR PANTHER; PTHR38011:SF7; 2,5-DIAMINO-6-RIBOSYLAMINO-4(3H)-PYRIMIDINONE 5'-PHOSPHATE REDUCTASE; 1.
DR PANTHER; PTHR38011; DIHYDROFOLATE REDUCTASE FAMILY PROTEIN (AFU_ORTHOLOGUE AFUA_8G06820); 1.
DR Pfam; PF00383; dCMP_cyt_deam_1; 1.
DR Pfam; PF01872; RibD_C; 1.
DR PIRSF; PIRSF006769; RibD; 1.
DR SUPFAM; SSF53927; Cytidine deaminase-like; 1.
DR SUPFAM; SSF53597; Dihydrofolate reductase-like; 1.
DR PROSITE; PS00903; CYT_DCMP_DEAMINASES_1; 1.
DR PROSITE; PS51747; CYT_DCMP_DEAMINASES_2; 1.
PE 3: Inferred from homology;
KW Hydrolase {ECO:0000256|PIRNR:PIRNR006769};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRNR:PIRNR006769};
KW Multifunctional enzyme {ECO:0000256|ARBA:ARBA00023268};
KW NADP {ECO:0000256|ARBA:ARBA00022857, ECO:0000256|PIRNR:PIRNR006769};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|PIRNR:PIRNR006769};
KW Reference proteome {ECO:0000313|Proteomes:UP000007073};
KW Riboflavin biosynthesis {ECO:0000256|ARBA:ARBA00022619,
KW ECO:0000256|PIRNR:PIRNR006769};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|PIRNR:PIRNR006769}.
FT DOMAIN 3..125
FT /note="CMP/dCMP-type deaminase"
FT /evidence="ECO:0000259|PROSITE:PS51747"
FT ACT_SITE 54
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-1"
FT BINDING 52
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-3"
FT BINDING 77
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-3"
FT BINDING 86
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-3"
FT BINDING 156
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 170
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 172
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 186
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 198
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 202
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 206
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 209
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 223
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 294
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
SQ SEQUENCE 370 AA; 39527 MW; 6C1541FDE0FC580C CRC64;
MDVSPEKIMK RALALARRGK GKTSPNPAVG CVIVRDGAIV GEGWHRKAGT PHAEVHALRQ
AGELARGADV YVTLEPCSHF GKTPPCADAL VEAGVGRVFV GMVDPNPKVS GRGIERLRVA
GIEVVTGIRE AECRRLNEPF VKHVTTGLPF VILKSAMTMD GKTATASGDS RWITNEKSRR
YVHKLRSMVD AIMVGVGTVL ADDPQLTARI PRGKDPVRVV VDSSLRIPSG ARMLHQESPA
TTVVATVSED RNRIVKLESA GAEVLRCHAV MGRIDLRDLL ARLGARGVQS ILLEGGSELA
GEALRAGLID KCVLFYAPKF LGGAAGLGLF GGPSAERMDG CCRLKDVSVR RFGDDVMIEA
YPEDLCLPGS
//
