ID A0A0J6XHG2_9ACTN Unreviewed; 380 AA.
AC A0A0J6XHG2;
DT 14-OCT-2015, integrated into UniProtKB/TrEMBL.
DT 14-OCT-2015, sequence version 1.
DT 24-JAN-2024, entry version 25.
DE RecName: Full=tRNA-dihydrouridine synthase {ECO:0000256|PIRNR:PIRNR006621};
DE EC=1.3.1.- {ECO:0000256|PIRNR:PIRNR006621};
GN ORFNames=ACS04_33535 {ECO:0000313|EMBL:KMO93632.1};
OS Streptomyces roseus.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=66430 {ECO:0000313|EMBL:KMO93632.1, ECO:0000313|Proteomes:UP000035932};
RN [1] {ECO:0000313|EMBL:KMO93632.1, ECO:0000313|Proteomes:UP000035932}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 31245 {ECO:0000313|EMBL:KMO93632.1,
RC ECO:0000313|Proteomes:UP000035932};
RA Cruz-Morales P., Martinez-Guerrero C., Morales-Escalante M.A.,
RA Yanez-Guerra L.A., Kopp J.F., Feldmann J., Ramos-Aboites H.E.,
RA Barona-Gomez F.;
RT "Recapitulation of the evolution of biosynthetic gene clusters reveals
RT hidden chemical diversity on bacterial genomes.";
RL Submitted (JUN-2015) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the synthesis of 5,6-dihydrouridine (D), a modified
CC base found in the D-loop of most tRNAs, via the reduction of the C5-C6
CC double bond in target uridines. {ECO:0000256|ARBA:ARBA00002790,
CC ECO:0000256|PIRNR:PIRNR006621}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 5,6-dihydrouridine in tRNA + NAD(+) = a uridine in tRNA +
CC H(+) + NADH; Xref=Rhea:RHEA:54452, Rhea:RHEA-COMP:13339, Rhea:RHEA-
CC COMP:13887, ChEBI:CHEBI:15378, ChEBI:CHEBI:57540, ChEBI:CHEBI:57945,
CC ChEBI:CHEBI:65315, ChEBI:CHEBI:74443;
CC Evidence={ECO:0000256|ARBA:ARBA00001387};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 5,6-dihydrouridine in tRNA + NADP(+) = a uridine in tRNA +
CC H(+) + NADPH; Xref=Rhea:RHEA:23624, Rhea:RHEA-COMP:13339, Rhea:RHEA-
CC COMP:13887, ChEBI:CHEBI:15378, ChEBI:CHEBI:57783, ChEBI:CHEBI:58349,
CC ChEBI:CHEBI:65315, ChEBI:CHEBI:74443;
CC Evidence={ECO:0000256|ARBA:ARBA00001183};
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:KMO93632.1}.
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DR EMBL; LFML01000161; KMO93632.1; -; Genomic_DNA.
DR RefSeq; WP_048480630.1; NZ_LFML01000161.1.
DR AlphaFoldDB; A0A0J6XHG2; -.
DR STRING; 66430.ACS04_33535; -.
DR PATRIC; fig|66430.4.peg.3448; -.
DR OrthoDB; 9764501at2; -.
DR Proteomes; UP000035932; 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 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; IPR004652; DusB-like.
DR InterPro; IPR024036; tRNA-dHydroUridine_Synthase_C.
DR InterPro; IPR018517; tRNA_hU_synthase_CS.
DR NCBIfam; TIGR00737; nifR3_yhdG; 1.
DR PANTHER; PTHR45846; TRNA-DIHYDROURIDINE(47) SYNTHASE [NAD(P)(+)]-LIKE; 1.
DR PANTHER; PTHR45846:SF1; TRNA-DIHYDROURIDINE(47) 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 NADP {ECO:0000256|ARBA:ARBA00022857};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|PIRNR:PIRNR006621};
KW Reference proteome {ECO:0000313|Proteomes:UP000035932};
KW RNA-binding {ECO:0000256|ARBA:ARBA00022884};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694,
KW ECO:0000256|PIRNR:PIRNR006621}.
FT DOMAIN 21..326
FT /note="DUS-like FMN-binding"
FT /evidence="ECO:0000259|Pfam:PF01207"
FT REGION 334..354
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 110
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR006621-1"
SQ SEQUENCE 380 AA; 41420 MW; 5357F023CCF89357 CRC64;
MTTLPPPLAI GPHTVQPPVV LAPMAGITNA PFRTLCREFS GGKGLFVSEM ITTRALVERN
EKTMQLIHFD ETEKPRSIQL YGVDPATVGK AVRMIVEEDR ADHIDLNFGC PVPKVTRKGG
GSALPYKRNL LRAILREAVA GAGDLPVTIK MRKGINDDHL TYLDAGRIAV EEGVTAIALH
GRTTAQHYGG TADWDAIARL KEHVPEIPVL GNGDIWCAED ALRMVRETGC DGVVVGRGCL
GRPWLFNDLV AAFEGRPEDF HKPTLREVAG TMHRHAQLLG EWIGDEARGV IDFRKHVAWY
LKGFSVGSEM RKKLAVTSSL AELNAHLSEL DLDQSWPESA DGPRGRTSGN NRVVLPDGWL
KDPYDCAGVS EDAELDTSGG
//
