MIAA_PETMO
ID MIAA_PETMO Reviewed; 303 AA.
AC A9BHW9;
DT 20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT 15-JAN-2008, sequence version 1.
DT 03-AUG-2022, entry version 89.
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}; OrderedLocusNames=Pmob_1380;
OS Petrotoga mobilis (strain DSM 10674 / SJ95).
OC Bacteria; Thermotogae; Petrotogales; Petrotogaceae; Petrotoga.
OX NCBI_TaxID=403833;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 10674 / SJ95;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA Tice H., Pitluck S., Meincke L., Brettin T., Bruce D., Detter J.C., Han C.,
RA Kuske C.R., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N.,
RA Mikhailova N., Noll K., Richardson P.;
RT "Complete sequence of Petroga mobilis SJ95.";
RL Submitted (NOV-2007) to the EMBL/GenBank/DDBJ databases.
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}.
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DR EMBL; CP000879; ABX32084.1; -; Genomic_DNA.
DR RefSeq; WP_012209183.1; NC_010003.1.
DR AlphaFoldDB; A9BHW9; -.
DR SMR; A9BHW9; -.
DR STRING; 403833.Pmob_1380; -.
DR EnsemblBacteria; ABX32084; ABX32084; Pmob_1380.
DR KEGG; pmo:Pmob_1380; -.
DR eggNOG; COG0324; Bacteria.
DR HOGENOM; CLU_032616_0_1_0; -.
DR OMA; YAKRQYT; -.
DR OrthoDB; 1069591at2; -.
DR Proteomes; UP000000789; Chromosome.
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; 2.
DR TIGRFAMs; TIGR00174; miaA; 1.
PE 3: Inferred from homology;
KW ATP-binding; Magnesium; Nucleotide-binding; Transferase; tRNA processing.
FT CHAIN 1..303
FT /note="tRNA dimethylallyltransferase"
FT /id="PRO_1000077399"
FT REGION 34..37
FT /note="Interaction with substrate tRNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00185"
FT BINDING 9..16
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00185"
FT BINDING 11..16
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00185"
FT SITE 100
FT /note="Interaction with substrate tRNA"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00185"
SQ SEQUENCE 303 AA; 34942 MW; 311C24F13A758345 CRC64;
MNKVLVIAGP TAVGKTEISI EIARRINGEI ICMDSRQIYS HLIIGTATPD EETKKLVPHH
LYGSVDPRTH FTAFDYKKLA EKKIGEVLNR GNTPVLVGGT GLYLDALRKG FLNVKSDYGL
RTYLRKLETN NPGVLRKILV DLDPQRAQKI HPNDLKRIIR AIEIYVITGI KMGEIVKENR
QDENSFDYHI IVLDRERQEL HERINKRVHQ MIDEGLIEEV RNLLSLGYST TLNALNTIGY
KEVVQYLYGK IDFNEMVHQI KVNTRNYARR QIIYFRKIEG AKWINLSKTS QEEVVDQILS
EFI