ID A0A172ZDB3_9BACL Unreviewed; 327 AA.
AC A0A172ZDB3;
DT 07-SEP-2016, integrated into UniProtKB/TrEMBL.
DT 07-SEP-2016, sequence version 1.
DT 24-JAN-2024, entry version 24.
DE RecName: Full=tRNA-dihydrouridine synthase {ECO:0000256|PIRNR:PIRNR006621};
DE EC=1.3.1.- {ECO:0000256|PIRNR:PIRNR006621};
GN ORFNames=AR543_06315 {ECO:0000313|EMBL:ANF95651.1};
OS Paenibacillus bovis.
OC Bacteria; Bacillota; Bacilli; Bacillales; Paenibacillaceae; Paenibacillus.
OX NCBI_TaxID=1616788 {ECO:0000313|EMBL:ANF95651.1, ECO:0000313|Proteomes:UP000078148};
RN [1] {ECO:0000313|Proteomes:UP000078148}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=BD3526 {ECO:0000313|Proteomes:UP000078148};
RA Wu Z., Gao C., Liu Z., Zheng H.;
RT "Genome of Paenibacillus bovis sp. nov.";
RL Submitted (OCT-2015) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:ANF95651.1, ECO:0000313|Proteomes:UP000078148}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=BD3526 {ECO:0000313|EMBL:ANF95651.1,
RC ECO:0000313|Proteomes:UP000078148};
RX PubMed=26769366; DOI=10.1099/ijsem.0.000900;
RA Gao C., Han J., Liu Z., Xu X., Hang F., Wu Z.;
RT "Paenibacillus bovis sp. nov., isolated from raw yak (Bos grunniens)
RT milk.";
RL Int. J. Syst. Evol. Microbiol. 66:1413-1418(2016).
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}.
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DR EMBL; CP013023; ANF95651.1; -; Genomic_DNA.
DR RefSeq; WP_060532774.1; NZ_CP013023.1.
DR AlphaFoldDB; A0A172ZDB3; -.
DR STRING; 1616788.AR543_06315; -.
DR KEGG; pbv:AR543_06315; -.
DR OrthoDB; 9764501at2; -.
DR Proteomes; UP000078148; Chromosome.
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; IPR024036; tRNA-dHydroUridine_Synthase_C.
DR InterPro; IPR018517; tRNA_hU_synthase_CS.
DR PANTHER; PTHR11082:SF25; DUS DOMAIN-CONTAINING PROTEIN; 1.
DR PANTHER; PTHR11082; TRNA-DIHYDROURIDINE SYNTHASE; 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 Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|PIRNR:PIRNR006621};
KW Reference proteome {ECO:0000313|Proteomes:UP000078148};
KW RNA-binding {ECO:0000256|ARBA:ARBA00022884};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694,
KW ECO:0000256|PIRNR:PIRNR006621}.
FT DOMAIN 15..318
FT /note="DUS-like FMN-binding"
FT /evidence="ECO:0000259|Pfam:PF01207"
FT ACT_SITE 105
FT /note="Proton donor"
FT /evidence="ECO:0000256|PIRSR:PIRSR006621-1"
SQ SEQUENCE 327 AA; 37248 MW; 9088116F570AAB93 CRC64;
MTDNFWRELP KPFFILAPME DVTDVVFRHV VSAAARPDVF FTEFANTESY CHPEGHHSVR
GRLMFTEDEQ PMVAHIWGDK PEYFRQMSIG MAEQGFKGID INMGCPVPNV AENGKGSGLI
CRPELAAEII QAAKAGGLPV SVKTRLGFSE VDEWRSWLTH ILQQDIVNLS IHLRTRDEMS
KVPAHWELIP EIKKLRDEIA PNTLLTINGD IADRAAGLEL VEKYGVDGVM IGRGIFSNPF
AFEQEKREHS SEELLDLLRL HMDLHDTYSA VEPRSFKPLP RFFKIYVRGF RGASELRNEL
MSTRSTDEVR AMLDEFLAKQ METVEEV
//