ID A0A1U7DLR3_9RHOB Unreviewed; 362 AA.
AC A0A1U7DLR3;
DT 10-MAY-2017, integrated into UniProtKB/TrEMBL.
DT 10-MAY-2017, sequence version 1.
DT 24-JAN-2024, entry version 26.
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 ORFNames=BV394_03310 {ECO:0000313|EMBL:APX90934.1};
OS Brevirhabdus pacifica.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales;
OC Paracoccaceae; Brevirhabdus.
OX NCBI_TaxID=1267768 {ECO:0000313|EMBL:APX90934.1, ECO:0000313|Proteomes:UP000187266};
RN [1] {ECO:0000313|EMBL:APX90934.1, ECO:0000313|Proteomes:UP000187266}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DY6-4 {ECO:0000313|EMBL:APX90934.1,
RC ECO:0000313|Proteomes:UP000187266};
RA Wang X.;
RT "Genomic analysis of Xuhuaishuia manganoxidans DY6-4.";
RL Submitted (JAN-2017) to the EMBL/GenBank/DDBJ databases.
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; CP019124; APX90934.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1U7DLR3; -.
DR STRING; 1267768.BV394_03310; -.
DR OrthoDB; 9800865at2; -.
DR UniPathway; UPA00275; UER00401.
DR Proteomes; UP000187266; 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:UP000187266};
KW Riboflavin biosynthesis {ECO:0000256|ARBA:ARBA00022619,
KW ECO:0000256|PIRNR:PIRNR006769};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|PIRNR:PIRNR006769}.
FT DOMAIN 1..117
FT /note="CMP/dCMP-type deaminase"
FT /evidence="ECO:0000259|PROSITE:PS51747"
FT ACT_SITE 46
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-1"
FT BINDING 44
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-3"
FT BINDING 69
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-3"
FT BINDING 78
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-3"
FT BINDING 148
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 162
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 164
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 178
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 190
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 194
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 198
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 201
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 288
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 290..296
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
SQ SEQUENCE 362 AA; 37707 MW; 0A43F4E0006D0995 CRC64;
MRMALSLAAR GLGNVWPNPA VGCVIEQEGR VLGRGWTQPG GRPHAERMAL DQAGDAARGA
TAHVTLEPCA HHGKTPPCAD ALKAAGVARV NIAIGDPDPR VAGRGIAGLR AAGIAVATGI
MAEEAHRQQR GFLTRVLLGR PMVTLKLASS LDGRIATAGG ESQWITGPEA RRRVHALRLS
HDAVLVGGGT ARDDDPLLTV RGLGEVAQPV RVVASALLDL PPEGALAASA RQVPLWLCHG
PRADKARIKA FTDRGAVCVA VPETGGRLEL AGLMRALGAR GLTRVFCEGG GQFAGSLLRA
GLVDELHGFG AGIAIGAEGR PALGELGLER LSDAPRFRLR RLEQVGGDVH ATWERPDGLR
SK
//
