ID B6JXB4_SCHJY Unreviewed; 347 AA.
AC B6JXB4;
DT 16-DEC-2008, integrated into UniProtKB/TrEMBL.
DT 16-DEC-2008, sequence version 1.
DT 27-MAR-2024, entry version 59.
DE RecName: Full=tRNA-dihydrouridine synthase {ECO:0000256|PIRNR:PIRNR006621};
DE EC=1.3.1.- {ECO:0000256|PIRNR:PIRNR006621};
GN Name=dus4 {ECO:0000313|JaponicusDB:SJAG_01041};
GN ORFNames=SJAG_01041 {ECO:0000313|EMBL:EEB06015.1};
OS Schizosaccharomyces japonicus (strain yFS275 / FY16936) (Fission yeast).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Taphrinomycotina;
OC Schizosaccharomycetes; Schizosaccharomycetales; Schizosaccharomycetaceae;
OC Schizosaccharomyces.
OX NCBI_TaxID=402676 {ECO:0000313|EMBL:EEB06015.1, ECO:0000313|Proteomes:UP000001744};
RN [1] {ECO:0000313|EMBL:EEB06015.1, ECO:0000313|Proteomes:UP000001744}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=yFS275 / FY16936 {ECO:0000313|Proteomes:UP000001744};
RX PubMed=21511999; DOI=10.1126/science.1203357;
RA Rhind N., Chen Z., Yassour M., Thompson D.A., Haas B.J., Habib N.,
RA Wapinski I., Roy S., Lin M.F., Heiman D.I., Young S.K., Furuya K., Guo Y.,
RA Pidoux A., Chen H.M., Robbertse B., Goldberg J.M., Aoki K., Bayne E.H.,
RA Berlin A.M., Desjardins C.A., Dobbs E., Dukaj L., Fan L., FitzGerald M.G.,
RA French C., Gujja S., Hansen K., Keifenheim D., Levin J.Z., Mosher R.A.,
RA Mueller C.A., Pfiffner J., Priest M., Russ C., Smialowska A., Swoboda P.,
RA Sykes S.M., Vaughn M., Vengrova S., Yoder R., Zeng Q., Allshire R.,
RA Baulcombe D., Birren B.W., Brown W., Ekwall K., Kellis M., Leatherwood J.,
RA Levin H., Margalit H., Martienssen R., Nieduszynski C.A., Spatafora J.W.,
RA Friedman N., Dalgaard J.Z., Baumann P., Niki H., Regev A., Nusbaum C.;
RT "Comparative functional genomics of the fission yeasts.";
RL Science 332:930-936(2011).
CC -!- FUNCTION: Catalyzes the synthesis of dihydrouridine, a modified base
CC found in the D-loop of most tRNAs. {ECO:0000256|PIRNR:PIRNR006621}.
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 ECO:0000256|PIRNR:PIRNR006621};
CC -!- SIMILARITY: Belongs to the dus family. {ECO:0000256|PIRNR:PIRNR006621}.
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DR EMBL; KE651166; EEB06015.1; -; Genomic_DNA.
DR RefSeq; XP_002172308.1; XM_002172272.1.
DR AlphaFoldDB; B6JXB4; -.
DR STRING; 402676.B6JXB4; -.
DR EnsemblFungi; EEB06015; EEB06015; SJAG_01041.
DR GeneID; 7048285; -.
DR JaponicusDB; SJAG_01041; dus4.
DR VEuPathDB; FungiDB:SJAG_01041; -.
DR eggNOG; KOG2335; Eukaryota.
DR HOGENOM; CLU_013299_4_0_1; -.
DR OMA; KIVEPYC; -.
DR OrthoDB; 35861at2759; -.
DR Proteomes; UP000001744; Unassembled WGS sequence.
DR GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:InterPro.
DR GO; GO:0017150; F:tRNA dihydrouridine synthase activity; IBA:GO_Central.
DR GO; GO:0102266; F:tRNA-dihydrouridine20a synthase activity; IEA:EnsemblFungi.
DR GO; GO:0102267; F:tRNA-dihydrouridine20b synthase activity; IEA:EnsemblFungi.
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; IPR001269; DUS_fam.
DR InterPro; IPR018517; tRNA_hU_synthase_CS.
DR PANTHER; PTHR11082; TRNA-DIHYDROURIDINE SYNTHASE; 1.
DR PANTHER; PTHR11082:SF31; TRNA-DIHYDROURIDINE(20A_20B) SYNTHASE [NAD(P)+]-LIKE; 1.
DR Pfam; PF01207; Dus; 1.
DR PIRSF; PIRSF006621; 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 ECO:0000256|PIRNR:PIRNR006621};
KW FMN {ECO:0000256|ARBA:ARBA00022643, ECO:0000256|PIRNR:PIRNR006621};
KW mRNA processing {ECO:0000256|ARBA:ARBA00022664};
KW NAD {ECO:0000256|ARBA:ARBA00023027};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|PIRNR:PIRNR006621};
KW Reference proteome {ECO:0000313|Proteomes:UP000001744};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694,
KW ECO:0000256|PIRNR:PIRNR006621}.
FT DOMAIN 24..310
FT /note="DUS-like FMN-binding"
FT /evidence="ECO:0000259|Pfam:PF01207"
FT ACT_SITE 108
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR006621-1"
SQ SEQUENCE 347 AA; 39071 MW; F780EABE8779FBD0 CRC64;
MREEKYNPVK IFELHKNERP VFIAAPMVRY SKLPFRQLVR DYNADIVYTP MILAKEFLHP
EGRYFDFSTN EKDRSLVVQF GVEDPVILAQ ASEIVAPYTD AIGINCGCPQ PWAIQEGIGS
ALLKQPQKVH ELVRSVKSAL GETFCVEVKI RLDNDLEKTR QLMQTAERAG ADFITVHGRR
RADRSSFPVD LEAIRSVRPC VSIPVVANGD VNDLDTGLKI AEYTNTDGVM SARGLMENPA
LFAGYTSTPW GCVEKFVAYA TGYSLNFQLF EHHLMTMMGK MTTKRERMQV PSESYASVID
WLDETFVLRR PGETEFGTTI EPVRRDANGL VSSEIVTDDG SIETELD
//
