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MIAA_HALOH
ID   MIAA_HALOH              Reviewed;         328 AA.
AC   B8CX96;
DT   16-JUN-2009, integrated into UniProtKB/Swiss-Prot.
DT   03-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 68.
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=Hore_11650;
OS   Halothermothrix orenii (strain H 168 / OCM 544 / DSM 9562).
OC   Bacteria; Firmicutes; Clostridia; Halanaerobiales; Halanaerobiaceae;
OC   Halothermothrix.
OX   NCBI_TaxID=373903;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=H 168 / OCM 544 / DSM 9562;
RX   PubMed=19145256; DOI=10.1371/journal.pone.0004192;
RA   Mavromatis K., Ivanova N., Anderson I., Lykidis A., Hooper S.D., Sun H.,
RA   Kunin V., Lapidus A., Hugenholtz P., Patel B., Kyrpides N.C.;
RT   "Genome analysis of the anaerobic thermohalophilic bacterium
RT   Halothermothrix orenii.";
RL   PLoS ONE 4:E4192-E4192(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}.
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DR   EMBL; CP001098; ACL69915.1; -; Genomic_DNA.
DR   RefSeq; WP_012636100.1; NC_011899.1.
DR   AlphaFoldDB; B8CX96; -.
DR   SMR; B8CX96; -.
DR   STRING; 373903.Hore_11650; -.
DR   PRIDE; B8CX96; -.
DR   EnsemblBacteria; ACL69915; ACL69915; Hore_11650.
DR   KEGG; hor:Hore_11650; -.
DR   eggNOG; COG0324; Bacteria.
DR   HOGENOM; CLU_032616_0_1_9; -.
DR   OMA; YAKRQYT; -.
DR   OrthoDB; 1069591at2; -.
DR   Proteomes; UP000000719; 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; Reference proteome;
KW   Transferase; tRNA processing.
FT   CHAIN           1..328
FT                   /note="tRNA dimethylallyltransferase"
FT                   /id="PRO_0000377182"
FT   REGION          50..53
FT                   /note="Interaction with substrate tRNA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00185"
FT   BINDING         25..32
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00185"
FT   BINDING         27..32
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00185"
FT   SITE            116
FT                   /note="Interaction with substrate tRNA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00185"
FT   SITE            139
FT                   /note="Interaction with substrate tRNA"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00185"
SQ   SEQUENCE   328 AA;  38657 MW;  3D70EFDF84969787 CRC64;
     MIKPLTNHGN KNIYPDNSTL IVILGPTAVG KTSLSLQLAR DINGEIISAD SMQIYKDMDI
     GTAKASQKER NIIPHYMIDI IKPDQEFSVA EYQAMVDNLI PGIVYRNKVP ILVGGTGLYI
     RAVIEGFLFP EMDKNIELRQ KLQKEAQQYG NKYVYNKLKK IDPELAKKLH PNDLRRVIRG
     IEVYHQTGKT MTYFKKEKQK KGDRYRNLKI GLYREREELY KRINKRVDIM IEQGLIDEVK
     YLLTKYPDLS KTARQGLGYK EIIGYLKREY DREEAIRLLK RNTRRYAKRQ LTWFRRDQDI
     NWFNLSTGDY KKIYSEIKKL SRDFLLDF
 
 
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