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MIAA_RICRO
ID   MIAA_RICRO              Reviewed;         363 AA.
AC   B0BXQ1;
DT   16-JUN-2009, integrated into UniProtKB/Swiss-Prot.
DT   26-FEB-2008, sequence version 1.
DT   03-AUG-2022, entry version 86.
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=RrIowa_0784;
OS   Rickettsia rickettsii (strain Iowa).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Rickettsiales;
OC   Rickettsiaceae; Rickettsieae; Rickettsia; spotted fever group.
OX   NCBI_TaxID=452659;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=Iowa;
RX   PubMed=18025092; DOI=10.1128/iai.00952-07;
RA   Ellison D.W., Clark T.R., Sturdevant D.E., Virtaneva K., Porcella S.F.,
RA   Hackstadt T.;
RT   "Genomic comparison of virulent Rickettsia rickettsii Sheila Smith and
RT   avirulent Rickettsia rickettsii Iowa.";
RL   Infect. Immun. 76:542-550(2008).
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; CP000766; ABY72627.1; -; Genomic_DNA.
DR   RefSeq; WP_012150844.1; NC_010263.3.
DR   AlphaFoldDB; B0BXQ1; -.
DR   SMR; B0BXQ1; -.
DR   STRING; 452659.RrIowa_0784; -.
DR   EnsemblBacteria; ABY72627; ABY72627; RrIowa_0784.
DR   GeneID; 45539227; -.
DR   KEGG; rrj:RrIowa_0784; -.
DR   eggNOG; COG0324; Bacteria.
DR   HOGENOM; CLU_032616_0_1_5; -.
DR   OMA; YAKRQYT; -.
DR   Proteomes; UP000000796; 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..363
FT                   /note="tRNA dimethylallyltransferase"
FT                   /id="PRO_0000377296"
FT   REGION          90..93
FT                   /note="Interaction with substrate tRNA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00185"
FT   REGION          214..218
FT                   /note="Interaction with substrate tRNA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00185"
FT   BINDING         65..72
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00185"
FT   BINDING         67..72
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00185"
FT   SITE            156
FT                   /note="Interaction with substrate tRNA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00185"
SQ   SEQUENCE   363 AA;  41505 MW;  BB1F9B4771DA8771 CRC64;
     MLACNDDTSL YLLVKQVTKK EIYSNDLENG NVKRGASTHS LYLIGDPKFC RNNSSKQKSI
     IILCGPTASG KSYLGHELAK AYNGEIINID SMQVYKEIPI ITASPPKSYK TEILYHLYNF
     LSMTEDFSVI KYLKLATEKI KEITDRGKLP ILIGGTGLYI NSLVFGYNNI PDISEDLQAQ
     VRNLHVKIGN IELWGKLEKF DPLAASKINQ NDTQRLIRAY EVFMQTGKSI FSFQTLPKEQ
     ILSDFNCKII FLNPERKFLY KTCDERLDKI FKEGAIDEIA LIKKQFAPKD YTNLKAVGIK
     EILAYLNGNL TLDEALNAAQ IRTRQYAKRQ VTWFKNQIQD KITLEYANQE EFTQTLKNSF
     KTI
 
 
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