MIAA_XYLFM
ID MIAA_XYLFM Reviewed; 317 AA.
AC B0U1E8;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 08-APR-2008, sequence version 1.
DT 03-AUG-2022, entry version 81.
DE RecName: Full=tRNA dimethylallyltransferase {ECO:0000255|HAMAP-Rule:MF_00185};
DE EC=2.5.1.75 {ECO:0000255|HAMAP-Rule:MF_00185};
DE AltName: Full=Dimethylallyl diphosphate:tRNA dimethylallyltransferase {ECO:0000255|HAMAP-Rule:MF_00185};
DE Short=DMAPP:tRNA dimethylallyltransferase {ECO:0000255|HAMAP-Rule:MF_00185};
DE Short=DMATase {ECO:0000255|HAMAP-Rule:MF_00185};
DE AltName: Full=Isopentenyl-diphosphate:tRNA isopentenyltransferase {ECO:0000255|HAMAP-Rule:MF_00185};
DE Short=IPP transferase {ECO:0000255|HAMAP-Rule:MF_00185};
DE Short=IPPT {ECO:0000255|HAMAP-Rule:MF_00185};
DE Short=IPTase {ECO:0000255|HAMAP-Rule:MF_00185};
GN Name=miaA {ECO:0000255|HAMAP-Rule:MF_00185};
GN OrderedLocusNames=Xfasm12_0071;
OS Xylella fastidiosa (strain M12).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Xanthomonadales;
OC Xanthomonadaceae; Xylella.
OX NCBI_TaxID=405440;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=M12;
RX PubMed=20601474; DOI=10.1128/jb.00651-10;
RA Chen J., Xie G., Han S., Chertkov O., Sims D., Civerolo E.L.;
RT "Whole genome sequences of two Xylella fastidiosa strains (M12 and M23)
RT causing almond leaf scorch disease in California.";
RL J. Bacteriol. 192:4534-4534(2010).
CC -!- FUNCTION: Catalyzes the transfer of a dimethylallyl group onto the
CC adenine at position 37 in tRNAs that read codons beginning with
CC uridine, leading to the formation of N6-(dimethylallyl)adenosine
CC (i(6)A). {ECO:0000255|HAMAP-Rule:MF_00185}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=adenosine(37) in tRNA + dimethylallyl diphosphate =
CC diphosphate + N(6)-dimethylallyladenosine(37) in tRNA;
CC Xref=Rhea:RHEA:26482, Rhea:RHEA-COMP:10162, Rhea:RHEA-COMP:10375,
CC ChEBI:CHEBI:33019, ChEBI:CHEBI:57623, ChEBI:CHEBI:74411,
CC ChEBI:CHEBI:74415; EC=2.5.1.75; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_00185};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00185};
CC -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_00185}.
CC -!- SIMILARITY: Belongs to the IPP transferase family. {ECO:0000255|HAMAP-
CC Rule:MF_00185}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; CP000941; ACA11113.1; -; Genomic_DNA.
DR RefSeq; WP_004085557.1; NC_010513.1.
DR AlphaFoldDB; B0U1E8; -.
DR SMR; B0U1E8; -.
DR KEGG; xfm:Xfasm12_0071; -.
DR HOGENOM; CLU_032616_0_0_6; -.
DR OMA; YAKRQYT; -.
DR OrthoDB; 1069591at2; -.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0052381; F:tRNA dimethylallyltransferase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0008033; P:tRNA processing; IEA:UniProtKB-UniRule.
DR Gene3D; 3.40.50.300; -; 1.
DR HAMAP; MF_00185; IPP_trans; 1.
DR InterPro; IPR039657; Dimethylallyltransferase.
DR InterPro; IPR018022; IPT.
DR InterPro; IPR027417; P-loop_NTPase.
DR PANTHER; PTHR11088; PTHR11088; 1.
DR SUPFAM; SSF52540; SSF52540; 1.
DR TIGRFAMs; TIGR00174; miaA; 1.
PE 3: Inferred from homology;
KW ATP-binding; Magnesium; Nucleotide-binding; Transferase; tRNA processing.
FT CHAIN 1..317
FT /note="tRNA dimethylallyltransferase"
FT /id="PRO_1000098704"
FT REGION 39..42
FT /note="Interaction with substrate tRNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00185"
FT REGION 163..167
FT /note="Interaction with substrate tRNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00185"
FT BINDING 14..21
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00185"
FT BINDING 16..21
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00185"
FT SITE 105
FT /note="Interaction with substrate tRNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00185"
FT SITE 127
FT /note="Interaction with substrate tRNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00185"
SQ SEQUENCE 317 AA; 35420 MW; 006C46954905CD56 CRC64;
MPADTRPAAI VLMGPTASGK SQLAIDIAKR WGGEVISVDS VLVYRGLDIG TAKPNAAMRA
SVPHHLIDIC EPWETYSAAD FAHDARAAID MIVRRGALPI LTGGTGLYFR ALLAGLSDMP
PAHPEIRAMI AAEAKRDSWA TLHTRLAEVD AITAARIHAT DPQRIQRALE VYLVSGRSMS
DWQNQPPKQR LPLRVLKLVL APTHRKVLHF RIAQRFKAML DNGLLAEVNA LRTHPSIHAM
ARPLDLPAMR AVGYRQCWEH LDGMYTAEML YQRSVAATRQ LAKRQLTWLR GELDALWFDP
EHDQSRIEKV MEAFLNR