ID   MIAA_AYWBP              Reviewed;         291 AA.
AC   Q2NJ30;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   07-FEB-2006, sequence version 1.
DT   03-AUG-2022, entry version 93.
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=AYWB_446;
OS   Aster yellows witches'-broom phytoplasma (strain AYWB).
OC   Bacteria; Tenericutes; Mollicutes; Acholeplasmatales; Acholeplasmataceae;
OC   Candidatus Phytoplasma; Candidatus Phytoplasma asteris.
OX   NCBI_TaxID=322098;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=AYWB;
RX   PubMed=16672622; DOI=10.1128/jb.188.10.3682-3696.2006;
RA   Bai X., Zhang J., Ewing A., Miller S.A., Jancso Radek A., Shevchenko D.V.,
RA   Tsukerman K., Walunas T., Lapidus A., Campbell J.W., Hogenhout S.A.;
RT   "Living with genome instability: the adaptation of phytoplasmas to diverse
RT   environments of their insect and plant hosts.";
RL   J. Bacteriol. 188:3682-3696(2006).
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; CP000061; ABC65563.1; -; Genomic_DNA.
DR   RefSeq; WP_011412727.1; NC_007716.1.
DR   AlphaFoldDB; Q2NJ30; -.
DR   SMR; Q2NJ30; -.
DR   STRING; 322098.AYWB_446; -.
DR   EnsemblBacteria; ABC65563; ABC65563; AYWB_446.
DR   KEGG; ayw:AYWB_446; -.
DR   eggNOG; COG0324; Bacteria.
DR   HOGENOM; CLU_032616_0_1_14; -.
DR   OMA; YAKRQYT; -.
DR   OrthoDB; 1069591at2; -.
DR   PhylomeDB; Q2NJ30; -.
DR   Proteomes; UP000001934; 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..291
FT                   /note="tRNA dimethylallyltransferase"
FT                   /id="PRO_1000020561"
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            96
FT                   /note="Interaction with substrate tRNA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00185"
SQ   SEQUENCE   291 AA;  33524 MW;  4DCC40BC1C2582D5 CRC64;
     MKKVIAITGP TASGKTSLSI KIAKKFNLEI INCDSLQMYQ KYDIGTAKIT IEEAQGIKHH
     LLDFLTPGTN YNIYYFQKDA RKKIEEMPLP LFVGGSGLYL KSVLFDYELT PKSLFLPPIS
     LTAIENMVDF IKKKDPQLIA NLDLKNPRRI LSAYQDLLSG TLRSQKNKKH NPLYSSLIFY
     LDIDRQILKK RVILRLEQML KKGFIEEVNQ IQTFFPNANF NIIGYREIKV LLEGKITLDQ
     AKTLIIQKTM QYAKRQKTWF KNQIKPMILD ALSPDLEKTT IGLINNFLKT D