ID A0A250XEA4_9CHLO Unreviewed; 459 AA.
AC A0A250XEA4;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 27-MAR-2024, entry version 20.
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=CEUSTIGMA_g8812.t1 {ECO:0000313|EMBL:GAX81381.1};
OS Chlamydomonas eustigma.
OC Eukaryota; Viridiplantae; Chlorophyta; core chlorophytes; Chlorophyceae;
OC CS clade; Chlamydomonadales; Chlamydomonadaceae; Chlamydomonas.
OX NCBI_TaxID=1157962 {ECO:0000313|EMBL:GAX81381.1, ECO:0000313|Proteomes:UP000232323};
RN [1] {ECO:0000313|EMBL:GAX81381.1, ECO:0000313|Proteomes:UP000232323}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NIES-2499 {ECO:0000313|EMBL:GAX81381.1,
RC ECO:0000313|Proteomes:UP000232323};
RA Hirooka S., Hirose Y., Kanesaki Y., Higuchi S., Fujiwara T., Onuma R.,
RA Era A., Ohbayashi R., Uzuka A., Nozaki H., Yoshikawa H., Miyagishima S.Y.;
RT "Acidophilic green algal genome provides insights into adaptation to an
RT acidic environment.";
RL Submitted (AUG-2017) to the EMBL/GenBank/DDBJ databases.
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 -!- 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}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:GAX81381.1}.
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DR EMBL; BEGY01000064; GAX81381.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A250XEA4; -.
DR STRING; 1157962.A0A250XEA4; -.
DR OrthoDB; 5487726at2759; -.
DR Proteomes; UP000232323; Unassembled WGS sequence.
DR GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:InterPro.
DR GO; GO:0017150; F:tRNA dihydrouridine synthase activity; IEA:InterPro.
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 Oxidoreductase {ECO:0000256|ARBA:ARBA00023002};
KW Reference proteome {ECO:0000313|Proteomes:UP000232323};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694}.
FT DOMAIN 42..263
FT /note="DUS-like FMN-binding"
FT /evidence="ECO:0000259|Pfam:PF01207"
FT REGION 389..459
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 393..411
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 419..434
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 459 AA; 50568 MW; D26B02483341FA0F CRC64;
MSANVEPAIV SVSCTDSGKQ VVAHAERSWA FFKSMGSPKY HVAPMVDQSE LPFRLLCRDN
GASCAYSPMM HARLFAQDPK YRADIWSTCK ADRPLLAQFC ANDPNYLVQA AKLIQHECDM
IDINFGCPQR IAKRGFYGAF LMDDLELIEQ LIIELTKGVS IPVSCKIRIF PELEKTLAYA
RMVERAGCSL LAVHGRTRDQ KDNSGTRADW NAIKAVKQAL SIPVLANGNI RNLQDANECM
AYTGCDGVLS AESLLVDPAL FSPSRIIPGN EYNAVSGVGL LRDYLGYAIQ YPVAMRMVKG
HVHKLIGPWL SEHHDLRDKV NCGGLSLQGL IDEVVKVLDV RIKESGRTYP VPKLSERALK
RLEKEAAIKA AIEEQKREEE AVAALDEKVD SVTPGTNCDS CDCSLSQKDS KPINDTTEDT
SREGGQQSES AEVGNDCGQI KKGKETFEVN ESEQGQPPR
//
