ID A0A0J8R161_COCIT Unreviewed; 538 AA.
AC A0A0J8R161;
DT 14-OCT-2015, integrated into UniProtKB/TrEMBL.
DT 14-OCT-2015, sequence version 1.
DT 27-MAR-2024, entry version 28.
DE RecName: Full=tRNA-dihydrouridine(16/17) synthase [NAD(P)(+)] {ECO:0000256|ARBA:ARBA00038890};
DE EC=1.3.1.88 {ECO:0000256|ARBA:ARBA00038890};
GN ORFNames=CISG_06822 {ECO:0000313|EMBL:KMU78060.1};
OS Coccidioides immitis RMSCC 3703.
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Eurotiomycetes;
OC Eurotiomycetidae; Onygenales; Onygenaceae; Coccidioides.
OX NCBI_TaxID=454286 {ECO:0000313|EMBL:KMU78060.1, ECO:0000313|Proteomes:UP000054559};
RN [1] {ECO:0000313|Proteomes:UP000054559}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=RMSCC 3703 {ECO:0000313|Proteomes:UP000054559};
RX PubMed=20516208; DOI=10.1101/gr.103911.109;
RA Neafsey D.E., Barker B.M., Sharpton T.J., Stajich J.E., Park D.J.,
RA Whiston E., Hung C.-Y., McMahan C., White J., Sykes S., Heiman D.,
RA Young S., Zeng Q., Abouelleil A., Aftuck L., Bessette D., Brown A.,
RA FitzGerald M., Lui A., Macdonald J.P., Priest M., Orbach M.J.,
RA Galgiani J.N., Kirkland T.N., Cole G.T., Birren B.W., Henn M.R.,
RA Taylor J.W., Rounsley S.D.;
RT "Population genomic sequencing of Coccidioides fungi reveals recent
RT hybridization and transposon control.";
RL Genome Res. 20:938-946(2010).
CC -!- FUNCTION: Catalyzes the synthesis of dihydrouridine, a modified base
CC found in the D-loop of most tRNAs. Specifically modifies U47 in
CC cytoplasmic tRNAs (By similarity). Catalyzes the synthesis of
CC dihydrouridine in some mRNAs, thereby affecting their translation.
CC {ECO:0000256|ARBA:ARBA00033731}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=5,6-dihydrouridine(16) in tRNA + NAD(+) = H(+) + NADH +
CC uridine(16) in tRNA; Xref=Rhea:RHEA:53380, Rhea:RHEA-COMP:13543,
CC Rhea:RHEA-COMP:13544, ChEBI:CHEBI:15378, ChEBI:CHEBI:57540,
CC ChEBI:CHEBI:57945, ChEBI:CHEBI:65315, ChEBI:CHEBI:74443; EC=1.3.1.88;
CC Evidence={ECO:0000256|ARBA:ARBA00035900};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:53382;
CC Evidence={ECO:0000256|ARBA:ARBA00035900};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=5,6-dihydrouridine(16) in tRNA + NADP(+) = H(+) + NADPH +
CC uridine(16) in tRNA; Xref=Rhea:RHEA:53376, Rhea:RHEA-COMP:13543,
CC Rhea:RHEA-COMP:13544, ChEBI:CHEBI:15378, ChEBI:CHEBI:57783,
CC ChEBI:CHEBI:58349, ChEBI:CHEBI:65315, ChEBI:CHEBI:74443; EC=1.3.1.88;
CC Evidence={ECO:0000256|ARBA:ARBA00036049};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:53378;
CC Evidence={ECO:0000256|ARBA:ARBA00036049};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=5,6-dihydrouridine(17) in tRNA + NAD(+) = H(+) + NADH +
CC uridine(17) in tRNA; Xref=Rhea:RHEA:53372, Rhea:RHEA-COMP:13541,
CC Rhea:RHEA-COMP:13542, ChEBI:CHEBI:15378, ChEBI:CHEBI:57540,
CC ChEBI:CHEBI:57945, ChEBI:CHEBI:65315, ChEBI:CHEBI:74443; EC=1.3.1.88;
CC Evidence={ECO:0000256|ARBA:ARBA00035864};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:53374;
CC Evidence={ECO:0000256|ARBA:ARBA00035864};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=5,6-dihydrouridine(17) in tRNA + NADP(+) = H(+) + NADPH +
CC uridine(17) in tRNA; Xref=Rhea:RHEA:53368, Rhea:RHEA-COMP:13541,
CC Rhea:RHEA-COMP:13542, ChEBI:CHEBI:15378, ChEBI:CHEBI:57783,
CC ChEBI:CHEBI:58349, ChEBI:CHEBI:65315, ChEBI:CHEBI:74443; EC=1.3.1.88;
CC Evidence={ECO:0000256|ARBA:ARBA00035813};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:53370;
CC Evidence={ECO:0000256|ARBA:ARBA00035813};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 5,6-dihydrouridine in mRNA + NAD(+) = a uridine in mRNA +
CC H(+) + NADH; Xref=Rhea:RHEA:69851, Rhea:RHEA-COMP:14658, Rhea:RHEA-
CC COMP:17789, ChEBI:CHEBI:15378, ChEBI:CHEBI:57540, ChEBI:CHEBI:57945,
CC ChEBI:CHEBI:65315, ChEBI:CHEBI:74443;
CC Evidence={ECO:0000256|ARBA:ARBA00033653};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:69853;
CC Evidence={ECO:0000256|ARBA:ARBA00033653};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 5,6-dihydrouridine in mRNA + NADP(+) = a uridine in mRNA +
CC H(+) + NADPH; Xref=Rhea:RHEA:69855, Rhea:RHEA-COMP:14658, Rhea:RHEA-
CC COMP:17789, ChEBI:CHEBI:15378, ChEBI:CHEBI:57783, ChEBI:CHEBI:58349,
CC ChEBI:CHEBI:65315, ChEBI:CHEBI:74443;
CC Evidence={ECO:0000256|ARBA:ARBA00033638};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:69857;
CC Evidence={ECO:0000256|ARBA:ARBA00033638};
CC -!- COFACTOR:
CC Name=FMN; Xref=ChEBI:CHEBI:58210;
CC Evidence={ECO:0000256|ARBA:ARBA00001917};
CC -!- SIMILARITY: Belongs to the Dus family. Dus1 subfamily.
CC {ECO:0000256|ARBA:ARBA00038313}.
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DR EMBL; DS268159; KMU78060.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A0J8R161; -.
DR STRING; 454286.A0A0J8R161; -.
DR Proteomes; UP000054559; Unassembled WGS sequence.
DR GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:InterPro.
DR GO; GO:0102265; F:tRNA-dihydrouridine47 synthase activity; IEA:UniProtKB-EC.
DR GO; GO:0006397; P:mRNA processing; IEA:UniProtKB-KW.
DR CDD; cd02801; DUS_like_FMN; 1.
DR Gene3D; 3.20.20.70; Aldolase class I; 1.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR035587; DUS-like_FMN-bd.
DR InterPro; IPR018517; tRNA_hU_synthase_CS.
DR PANTHER; PTHR11082; TRNA-DIHYDROURIDINE SYNTHASE; 1.
DR PANTHER; PTHR11082:SF5; TRNA-DIHYDROURIDINE(16_17) SYNTHASE [NAD(P)(+)]-LIKE; 1.
DR Pfam; PF01207; Dus; 1.
DR SUPFAM; SSF51395; FMN-linked oxidoreductases; 1.
DR PROSITE; PS01136; UPF0034; 1.
PE 3: Inferred from homology;
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630};
KW FMN {ECO:0000256|ARBA:ARBA00022643};
KW mRNA processing {ECO:0000256|ARBA:ARBA00022664};
KW NAD {ECO:0000256|ARBA:ARBA00023027};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002};
KW Reference proteome {ECO:0000313|Proteomes:UP000054559};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694}.
FT DOMAIN 36..287
FT /note="DUS-like FMN-binding"
FT /evidence="ECO:0000259|Pfam:PF01207"
FT REGION 333..377
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 491..538
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 340..354
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 355..369
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 491..507
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 538 AA; 60135 MW; 21CAFA50F7F9FCF8 CRC64;
MSTPAQNEAE AGDSMLGSKK FTGREFYQSL GSPKMIVAPM VDRSEFAWRM LTRSFMKDNS
RNPLLAYSPM LHARLFKDRA GYRSQHFEPV RPKADAVETS ADTVPFLDGN PAIDRPLIVQ
FCANDPDELL EAARHVQQYC DAVDLNLGCP QGIAKKGRYG AFLQEEPDLI YRLINKLHTG
LSIPVTAKFR ILETKEKTLE YAKMILSAGA SFITVHGRRR EQKGHNTGVA DWSYIRYLRD
NLPPDTVIFA NGNILNHDDI QKCLDATGAD GVMSAEGNLS DPTIFSEPPP VGEEGCEYWR
GRDGKGGYRL DFILRRYMDI IYKYVLETAP PERKPLFDPS NPISQCSSPR VETADTQPEQ
EEGPPKKKQK KSKEPKVVSP NLSVMQGHMF QLLRPLVSKQ THVRDALARS RAGDLAAFEN
VVSLVERVVK EGIQEYNAKS ELDADVEAEP DLSSLSGSQA TIAKYKRPWW VCQPYIRPLP
EEALEKGALQ LKKKDRVTTE TSERESRGTI DSSSTILSAN GVRTEEEIAT PKDQLVSG
//