ID A0A1C7NBS8_9FUNG Unreviewed; 355 AA.
AC A0A1C7NBS8;
DT 30-NOV-2016, integrated into UniProtKB/TrEMBL.
DT 30-NOV-2016, sequence version 1.
DT 27-MAR-2024, entry version 21.
DE RecName: Full=tRNA-dihydrouridine synthase {ECO:0000256|PIRNR:PIRNR006621};
DE EC=1.3.1.- {ECO:0000256|PIRNR:PIRNR006621};
GN Name=dusA {ECO:0000313|EMBL:OBZ86577.1};
GN ORFNames=A0J61_05377 {ECO:0000313|EMBL:OBZ86577.1};
OS Choanephora cucurbitarum.
OC Eukaryota; Fungi; Fungi incertae sedis; Mucoromycota; Mucoromycotina;
OC Mucoromycetes; Mucorales; Mucorineae; Choanephoraceae; Choanephoroideae;
OC Choanephora.
OX NCBI_TaxID=101091 {ECO:0000313|EMBL:OBZ86577.1, ECO:0000313|Proteomes:UP000093000};
RN [1] {ECO:0000313|EMBL:OBZ86577.1, ECO:0000313|Proteomes:UP000093000}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=KUS-F28377 {ECO:0000313|EMBL:OBZ86577.1,
RC ECO:0000313|Proteomes:UP000093000};
RA Min B., Park H., Park J.-H., Shin H.-D., Choi I.-G.;
RT "Choanephora cucurbitarum.";
RL Submitted (MAR-2016) to the EMBL/GenBank/DDBJ databases.
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}.
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:OBZ86577.1}.
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DR EMBL; LUGH01000288; OBZ86577.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1C7NBS8; -.
DR STRING; 101091.A0A1C7NBS8; -.
DR InParanoid; A0A1C7NBS8; -.
DR OrthoDB; 103046at2759; -.
DR Proteomes; UP000093000; Unassembled WGS sequence.
DR GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:InterPro.
DR GO; GO:0003723; F:RNA binding; IEA:UniProtKB-KW.
DR GO; GO:0017150; F:tRNA dihydrouridine synthase activity; IEA:InterPro.
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; IPR004653; DusA.
DR InterPro; IPR018517; tRNA_hU_synthase_CS.
DR PANTHER; PTHR42907; FMN-LINKED OXIDOREDUCTASES SUPERFAMILY PROTEIN; 1.
DR PANTHER; PTHR42907:SF1; FMN-LINKED OXIDOREDUCTASES SUPERFAMILY PROTEIN; 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 Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|PIRNR:PIRNR006621};
KW Reference proteome {ECO:0000313|Proteomes:UP000093000};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694,
KW ECO:0000256|PIRNR:PIRNR006621}.
FT DOMAIN 28..292
FT /note="DUS-like FMN-binding"
FT /evidence="ECO:0000259|Pfam:PF01207"
FT ACT_SITE 114
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR006621-1"
SQ SEQUENCE 355 AA; 40457 MW; 7ABB3A5FAE1BA7B7 CRC64;
MLRQLFLKTI QANYRSIHTS RLKRPISVAP MVDISTPQFL ELLRIISGQR YTYYTEMHHC
RAIMSHADHL DRFLGPPHSN VVVQLGGSSV EDMAMATKIL QDQGYAEVNI NNGCPSPNVQ
HGSFGAVLMK TPQLVADMLT AMDRLHVTLP VTVKCRIGVD HQESEEFLFA YLDTLLTQTT
KPPPHLIVHA RKCILKGLSP KQNRTIPPLN YDRVFQLAKA YPDLIVSING GFDQVDSIRN
ALHQVDGCMI GRKVMDDPLF LQTLDYAFHP QHQQKSVEQI TQEYLDYADR IYSIPLQAQD
YGHPPPTLMI RPLTTLFKGR ISRQFRREIQ KQLKADTPTH LFHSIVKHAL HQSKL
//
