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MIAB_STAA9
ID   MIAB_STAA9              Reviewed;         514 AA.
AC   A5ISH6;
DT   05-MAY-2009, integrated into UniProtKB/Swiss-Prot.
DT   26-JUN-2007, sequence version 1.
DT   03-AUG-2022, entry version 93.
DE   RecName: Full=tRNA-2-methylthio-N(6)-dimethylallyladenosine synthase {ECO:0000255|HAMAP-Rule:MF_01864};
DE            EC=2.8.4.3 {ECO:0000255|HAMAP-Rule:MF_01864};
DE   AltName: Full=(Dimethylallyl)adenosine tRNA methylthiotransferase MiaB {ECO:0000255|HAMAP-Rule:MF_01864};
DE   AltName: Full=tRNA-i(6)A37 methylthiotransferase {ECO:0000255|HAMAP-Rule:MF_01864};
GN   Name=miaB {ECO:0000255|HAMAP-Rule:MF_01864};
GN   OrderedLocusNames=SaurJH9_1352;
OS   Staphylococcus aureus (strain JH9).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=359786;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=JH9;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Pitluck S., Chain P.,
RA   Malfatti S., Shin M., Vergez L., Schmutz J., Larimer F., Land M.,
RA   Hauser L., Kyrpides N., Kim E., Tomasz A., Richardson P.;
RT   "Complete sequence of chromosome of Staphylococcus aureus subsp. aureus
RT   JH9.";
RL   Submitted (MAY-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the methylthiolation of N6-(dimethylallyl)adenosine
CC       (i(6)A), leading to the formation of 2-methylthio-N6-
CC       (dimethylallyl)adenosine (ms(2)i(6)A) at position 37 in tRNAs that read
CC       codons beginning with uridine. {ECO:0000255|HAMAP-Rule:MF_01864}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=[sulfur carrier]-SH + AH2 + N(6)-dimethylallyladenosine(37) in
CC         tRNA + 2 S-adenosyl-L-methionine = 2-methylsulfanyl-N(6)-
CC         dimethylallyladenosine(37) in tRNA + 5'-deoxyadenosine + [sulfur
CC         carrier]-H + A + 2 H(+) + L-methionine + S-adenosyl-L-homocysteine;
CC         Xref=Rhea:RHEA:37067, Rhea:RHEA-COMP:10375, Rhea:RHEA-COMP:10376,
CC         Rhea:RHEA-COMP:14737, Rhea:RHEA-COMP:14739, ChEBI:CHEBI:13193,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:17319, ChEBI:CHEBI:17499,
CC         ChEBI:CHEBI:29917, ChEBI:CHEBI:57844, ChEBI:CHEBI:57856,
CC         ChEBI:CHEBI:59789, ChEBI:CHEBI:64428, ChEBI:CHEBI:74415,
CC         ChEBI:CHEBI:74417; EC=2.8.4.3; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01864};
CC   -!- COFACTOR:
CC       Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01864};
CC       Note=Binds 2 [4Fe-4S] clusters. One cluster is coordinated with 3
CC       cysteines and an exchangeable S-adenosyl-L-methionine.
CC       {ECO:0000255|HAMAP-Rule:MF_01864};
CC   -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_01864}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_01864}.
CC   -!- SIMILARITY: Belongs to the methylthiotransferase family. MiaB
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_01864}.
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DR   EMBL; CP000703; ABQ49149.1; -; Genomic_DNA.
DR   RefSeq; WP_001001524.1; NC_009487.1.
DR   AlphaFoldDB; A5ISH6; -.
DR   SMR; A5ISH6; -.
DR   KEGG; saj:SaurJH9_1352; -.
DR   HOGENOM; CLU_018697_2_0_9; -.
DR   OMA; CEHFHIP; -.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0035596; F:methylthiotransferase activity; IEA:InterPro.
DR   GO; GO:0006400; P:tRNA modification; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.50.12160; -; 1.
DR   Gene3D; 3.80.30.20; -; 1.
DR   HAMAP; MF_01864; tRNA_metthiotr_MiaB; 1.
DR   InterPro; IPR006638; Elp3/MiaB/NifB.
DR   InterPro; IPR005839; Methylthiotransferase.
DR   InterPro; IPR020612; Methylthiotransferase_CS.
DR   InterPro; IPR013848; Methylthiotransferase_N.
DR   InterPro; IPR038135; Methylthiotransferase_N_sf.
DR   InterPro; IPR006463; MiaB_methiolase.
DR   InterPro; IPR007197; rSAM.
DR   InterPro; IPR023404; rSAM_horseshoe.
DR   InterPro; IPR002792; TRAM_dom.
DR   Pfam; PF04055; Radical_SAM; 1.
DR   Pfam; PF01938; TRAM; 1.
DR   Pfam; PF00919; UPF0004; 1.
DR   SFLD; SFLDF00273; (dimethylallyl)adenosine_tRNA; 1.
DR   SFLD; SFLDS00029; Radical_SAM; 1.
DR   SMART; SM00729; Elp3; 1.
DR   TIGRFAMs; TIGR00089; TIGR00089; 1.
DR   PROSITE; PS51449; MTTASE_N; 1.
DR   PROSITE; PS01278; MTTASE_RADICAL; 1.
DR   PROSITE; PS51918; RADICAL_SAM; 1.
DR   PROSITE; PS50926; TRAM; 1.
PE   3: Inferred from homology;
KW   4Fe-4S; Cytoplasm; Iron; Iron-sulfur; Metal-binding;
KW   S-adenosyl-L-methionine; Transferase; tRNA processing.
FT   CHAIN           1..514
FT                   /note="tRNA-2-methylthio-N(6)-dimethylallyladenosine
FT                   synthase"
FT                   /id="PRO_0000374567"
FT   DOMAIN          68..186
FT                   /note="MTTase N-terminal"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01864"
FT   DOMAIN          209..440
FT                   /note="Radical SAM core"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01266"
FT   DOMAIN          442..505
FT                   /note="TRAM"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01864"
FT   REGION          1..21
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   BINDING         77
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01864"
FT   BINDING         113
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01864"
FT   BINDING         147
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01864"
FT   BINDING         223
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT                   /ligand_note="4Fe-4S-S-AdoMet"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01864"
FT   BINDING         227
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT                   /ligand_note="4Fe-4S-S-AdoMet"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01864"
FT   BINDING         230
FT                   /ligand="[4Fe-4S] cluster"
FT                   /ligand_id="ChEBI:CHEBI:49883"
FT                   /ligand_label="2"
FT                   /ligand_note="4Fe-4S-S-AdoMet"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01864"
SQ   SEQUENCE   514 AA;  58917 MW;  9E864C7A17B4EAD8 CRC64;
     MNEEQRKASS VDVLAERDKK AEKDYSKYFE HVYQPPNLKE AKKRGKQEVR YNRDFQIDEK
     YRGMGNERTF LIKTYGCQMN AHDTEVIAGI LEALGYQATT DINTADVILI NTCAIRENAE
     NKVFSEIGNL KHLKKERPDI LIGVCGCMSQ EESVVNKILK SYQNVDMIFG THNIHHLPEI
     LEEAYLSKAM VVEVWSKEGD VIENLPKVRE GNIKAWVNIM YGCDKFCTYC IVPFTRGKER
     SRRPEDIIDE VRELAREGYK EITLLGQNVN SYGKDLQDIE YDLGDLLQAI SKIAIPRVRF
     TTSHPWDFTD HMIDVISEGG NIVPHIHLPV QSGNNAVLKI MGRKYTRESY LDLVKRIKDR
     IPNVALTTDI IVGYPNESEE QFEETLTLYD EVGFEHAYTY LYSQRDGTPA AKMKDNVPLN
     VKKERLQRLN KKVGHYSQIA MSKYEGQTVT VLCEGSSKKD DQVLAGYTDK NKLVNFKAPK
     EMIGKLVEVR IDEAKQYSLN GSFVKEVEPE MVIQ
 
 
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