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MIAA_CERSK
ID   MIAA_CERSK              Reviewed;         314 AA.
AC   B9KRT8;
DT   16-JUN-2009, integrated into UniProtKB/Swiss-Prot.
DT   16-JUN-2009, sequence version 2.
DT   03-AUG-2022, entry version 70.
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=RSKD131_1020;
OS   Cereibacter sphaeroides (strain KD131 / KCTC 12085) (Rhodobacter
OS   sphaeroides).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rhodobacterales;
OC   Rhodobacteraceae; Cereibacter.
OX   NCBI_TaxID=557760;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=KD131 / KCTC 12085;
RX   PubMed=19028901; DOI=10.1128/jb.01565-08;
RA   Lim S.-K., Kim S.J., Cha S.H., Oh Y.-K., Rhee H.-J., Kim M.-S., Lee J.K.;
RT   "Complete genome sequence of Rhodobacter sphaeroides KD131.";
RL   J. Bacteriol. 191:1118-1119(2009).
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   -!- SEQUENCE CAUTION:
CC       Sequence=ACM00880.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR   EMBL; CP001150; ACM00880.1; ALT_INIT; Genomic_DNA.
DR   AlphaFoldDB; B9KRT8; -.
DR   SMR; B9KRT8; -.
DR   EnsemblBacteria; ACM00880; ACM00880; RSKD131_1020.
DR   KEGG; rsk:RSKD131_1020; -.
DR   HOGENOM; CLU_032616_0_1_5; -.
DR   OMA; YAKRQYT; -.
DR   Proteomes; UP000001597; Chromosome 1.
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..314
FT                   /note="tRNA dimethylallyltransferase"
FT                   /id="PRO_0000377285"
FT   BINDING         40..47
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00185"
FT   BINDING         42..47
FT                   /ligand="substrate"
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"
FT   SITE            149
FT                   /note="Interaction with substrate tRNA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00185"
SQ   SEQUENCE   314 AA;  33976 MW;  345791975057BFE7 CRC64;
     MAEDAQGRPA PTSPFFVTIP SKLLPQLPDI PSDRPVLIAG PTASGKSALA VRLVEDGGGV
     VVNADALQVY DCWRILSARP SAAEEAALPH RLYGHVGARQ TYSAGHWLKE VAAVLAEGLR
     PVIVGGTGLY FSALTEGLAE IPHTPPEVRA EADARLAEAG LARMVAELDA ETAARIDLQN
     PARVQRAWEV LRATGRGLAR WQAETAPPLL PLSDATALVI RPDPTWLAQR IDSRFNLMMA
     DGALEEVRAA LPGWDPTLPS ARAIGAPELV AHLRGEIPLD EAVAAAKLAS RQYAKRQRTW
     FRNRMRLWHE IRLP
 
 
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