ID A0A2Z6ESD1_9BURK Unreviewed; 385 AA.
AC A0A2Z6ESD1;
DT 10-OCT-2018, integrated into UniProtKB/TrEMBL.
DT 10-OCT-2018, sequence version 1.
DT 27-MAR-2024, entry version 20.
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:GLR00819.1};
GN ORFNames=GCM10007934_06310 {ECO:0000313|EMBL:GLR00819.1}, MCB1EB_0152
GN {ECO:0000313|EMBL:BBE08313.1};
OS Mycoavidus cysteinexigens.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC Burkholderiaceae; Mycoavidus.
OX NCBI_TaxID=1553431 {ECO:0000313|EMBL:BBE08313.1, ECO:0000313|Proteomes:UP000282597};
RN [1] {ECO:0000313|EMBL:BBE08313.1, ECO:0000313|Proteomes:UP000282597}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=B1-EB {ECO:0000313|EMBL:BBE08313.1,
RC ECO:0000313|Proteomes:UP000282597};
RX PubMed=29540638; DOI=10.1264/jsme2.ME17138;
RA Sharmin D., Guo Y., Nishizawa T., Ohshima S., Sato Y., Takashima Y.,
RA Narisawa K., Ohta H.;
RT "Comparative Genomic Insights into Endofungal Lifestyles of Two Bacterial
RT Endosymbionts, Mycoavidus cysteinexigens and Burkholderia rhizoxinica.";
RL Microbes Environ. 33:66-76(2018).
RN [2] {ECO:0000313|EMBL:GLR00819.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=NBRC 110909 {ECO:0000313|EMBL:GLR00819.1};
RX PubMed=30832757;
RA Wu L., Ma J.;
RT "The Global Catalogue of Microorganisms (GCM) 10K type strain sequencing
RT project: providing services to taxonomists for standard genome sequencing
RT and annotation.";
RL Int. J. Syst. Evol. Microbiol. 69:895-898(2019).
RN [3] {ECO:0000313|EMBL:GLR00819.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=NBRC 110909 {ECO:0000313|EMBL:GLR00819.1};
RA Sun Q., Mori K.;
RT "Draft genome sequence of Mycoavidus cysteinexigens strain NBRC 110909.";
RL Submitted (JAN-2023) 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; AP018150; BBE08313.1; -; Genomic_DNA.
DR EMBL; BSOD01000006; GLR00819.1; -; Genomic_DNA.
DR RefSeq; WP_045363639.1; NZ_BSOD01000006.1.
DR AlphaFoldDB; A0A2Z6ESD1; -.
DR GeneID; 84622776; -.
DR KEGG; mcys:MCB1EB_0152; -.
DR UniPathway; UPA00275; UER00401.
DR Proteomes; UP000282597; Chromosome.
DR Proteomes; UP001156688; Unassembled WGS sequence.
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:UP000282597};
KW Riboflavin biosynthesis {ECO:0000256|ARBA:ARBA00022619,
KW ECO:0000256|PIRNR:PIRNR006769};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|PIRNR:PIRNR006769}.
FT DOMAIN 4..120
FT /note="CMP/dCMP-type deaminase"
FT /evidence="ECO:0000259|PROSITE:PS51747"
FT ACT_SITE 55
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-1"
FT BINDING 53
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-3"
FT BINDING 81
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-3"
FT BINDING 90
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-3"
FT BINDING 160
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 174
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 176
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 190
FT /ligand="substrate"
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="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 210
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 213
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 228
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 301
FT /ligand="substrate"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
FT BINDING 303..309
FT /ligand="NADP(+)"
FT /ligand_id="ChEBI:CHEBI:58349"
FT /evidence="ECO:0000256|PIRSR:PIRSR006769-2"
SQ SEQUENCE 385 AA; 41144 MW; 14CA6874C647FAA0 CRC64;
MFSNADFMYM QRALALAARG MYTTTPNPRV GCVLVKDGAV IGEGFTQPAG GAHAEIQALH
DARTRGHDPS GATAYVSLEP CSHFGRTPPC AKALIEAQIA QVVSALEDPN PLVSGQGLAL
LRAAQIDVRC GLLAHEAYEL NLGFISRMTR HRPWVRVKIA ASLDGRTALP SGESQWITSS
AARADSHLWR ARACAILTGI GTVRTDNPQL TVRGVDTPRQ PLRVLVDSRL EVPLDAHVLN
GHAPLLIVCA SLDATRAQKA HALRARGAEV ISLANHSSAQ VDLPALLHLL GERGINELHV
EAGPSLNGAL LQQHCIDELL IYLAPSLLCD ALGMFKLAAP ASLAQRVTLS FQSVERVGRE
LRILARVGAL GDNDKTEREC AIDTA
//
