ID E0MYG7_9CORY Unreviewed; 489 AA.
AC E0MYG7;
DT 02-NOV-2010, integrated into UniProtKB/TrEMBL.
DT 02-NOV-2010, sequence version 1.
DT 24-JAN-2024, entry version 64.
DE RecName: Full=tRNA-2-methylthio-N(6)-dimethylallyladenosine synthase {ECO:0000256|ARBA:ARBA00033765, ECO:0000256|HAMAP-Rule:MF_01864};
DE EC=2.8.4.3 {ECO:0000256|ARBA:ARBA00033765, ECO:0000256|HAMAP-Rule:MF_01864};
DE AltName: Full=(Dimethylallyl)adenosine tRNA methylthiotransferase MiaB {ECO:0000256|HAMAP-Rule:MF_01864};
DE AltName: Full=tRNA-i(6)A37 methylthiotransferase {ECO:0000256|HAMAP-Rule:MF_01864};
GN Name=miaB {ECO:0000256|HAMAP-Rule:MF_01864,
GN ECO:0000313|EMBL:EFM43370.1};
GN ORFNames=HMPREF0277_1551 {ECO:0000313|EMBL:EFM43370.1};
OS Corynebacterium accolens ATCC 49726.
OC Bacteria; Actinomycetota; Actinomycetes; Mycobacteriales;
OC Corynebacteriaceae; Corynebacterium.
OX NCBI_TaxID=862512 {ECO:0000313|EMBL:EFM43370.1, ECO:0000313|Proteomes:UP000004599};
RN [1] {ECO:0000313|EMBL:EFM43370.1, ECO:0000313|Proteomes:UP000004599}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 49726 {ECO:0000313|EMBL:EFM43370.1,
RC ECO:0000313|Proteomes:UP000004599};
RA Muzny D., Qin X., Deng J., Jiang H., Liu Y., Qu J., Song X.-Z., Zhang L.,
RA Thornton R., Coyle M., Francisco L., Jackson L., Javaid M., Korchina V.,
RA Kovar C., Mata R., Mathew T., Ngo R., Nguyen L., Nguyen N., Okwuonu G.,
RA Ongeri F., Pham C., Simmons D., Wilczek-Boney K., Hale W., Jakkamsetti A.,
RA Pham P., Ruth R., San Lucas F., Warren J., Zhang J., Zhao Z., Zhou C.,
RA Zhu D., Lee S., Bess C., Blankenburg K., Forbes L., Fu Q., Gubbala S.,
RA Hirani K., Jayaseelan J.C., Lara F., Munidasa M., Palculict T., Patil S.,
RA Pu L.-L., Saada N., Tang L., Weissenberger G., Zhu Y., Hemphill L.,
RA Shang Y., Youmans B., Ayvaz T., Ross M., Santibanez J., Aqrawi P.,
RA Gross S., Joshi V., Fowler G., Nazareth L., Reid J., Worley K.,
RA Petrosino J., Highlander S., Gibbs R.;
RL Submitted (JUL-2010) 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:0000256|ARBA:ARBA00003234,
CC ECO:0000256|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:0000256|HAMAP-
CC Rule:MF_01864};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC Evidence={ECO:0000256|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:0000256|HAMAP-Rule:MF_01864};
CC -!- SUBUNIT: Monomer. {ECO:0000256|HAMAP-Rule:MF_01864}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01864}.
CC -!- SIMILARITY: Belongs to the methylthiotransferase family. MiaB
CC subfamily. {ECO:0000256|HAMAP-Rule:MF_01864}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_01864}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:EFM43370.1}.
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DR EMBL; AEED01000112; EFM43370.1; -; Genomic_DNA.
DR AlphaFoldDB; E0MYG7; -.
DR HOGENOM; CLU_018697_2_2_11; -.
DR Proteomes; UP000004599; Unassembled WGS sequence.
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 CDD; cd01335; Radical_SAM; 1.
DR Gene3D; 3.40.50.12160; Methylthiotransferase, N-terminal domain; 1.
DR Gene3D; 3.80.30.20; tm_1862 like domain; 1.
DR HAMAP; MF_01864; tRNA_metthiotr_MiaB; 1.
DR InterPro; IPR006638; Elp3/MiaA/NifB-like_rSAM.
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 NCBIfam; TIGR01574; miaB-methiolase; 1.
DR NCBIfam; TIGR00089; MiaB/RimO family radical SAM methylthiotransferase; 1.
DR PANTHER; PTHR43020; CDK5 REGULATORY SUBUNIT-ASSOCIATED PROTEIN 1; 1.
DR PANTHER; PTHR43020:SF2; MITOCHONDRIAL TRNA METHYLTHIOTRANSFERASE CDK5RAP1; 1.
DR Pfam; PF04055; Radical_SAM; 1.
DR Pfam; PF00919; UPF0004; 1.
DR SFLD; SFLDG01082; B12-binding_domain_containing; 1.
DR SFLD; SFLDG01061; methylthiotransferase; 1.
DR SFLD; SFLDS00029; Radical_SAM; 1.
DR SMART; SM00729; Elp3; 1.
DR SUPFAM; SSF102114; Radical SAM enzymes; 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 {ECO:0000256|ARBA:ARBA00022485, ECO:0000256|HAMAP-Rule:MF_01864};
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01864};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|HAMAP-Rule:MF_01864};
KW Iron-sulfur {ECO:0000256|ARBA:ARBA00023014, ECO:0000256|HAMAP-
KW Rule:MF_01864};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_01864};
KW S-adenosyl-L-methionine {ECO:0000256|ARBA:ARBA00022691, ECO:0000256|HAMAP-
KW Rule:MF_01864};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_01864};
KW tRNA processing {ECO:0000256|ARBA:ARBA00022694, ECO:0000256|HAMAP-
KW Rule:MF_01864}.
FT DOMAIN 1..106
FT /note="MTTase N-terminal"
FT /evidence="ECO:0000259|PROSITE:PS51449"
FT DOMAIN 129..365
FT /note="Radical SAM core"
FT /evidence="ECO:0000259|PROSITE:PS51918"
FT DOMAIN 368..443
FT /note="TRAM"
FT /evidence="ECO:0000259|PROSITE:PS50926"
FT BINDING 143
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:0000256|HAMAP-Rule:MF_01864"
FT BINDING 147
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:0000256|HAMAP-Rule:MF_01864"
FT BINDING 150
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:0000256|HAMAP-Rule:MF_01864"
SQ SEQUENCE 489 AA; 52917 MW; 095C8EEB18D9E828 CRC64;
MNVHDSERIS GLLEEAGYAA ADEATEPDLI VFNTCAVREN ADKRLYGTLG ALKKTKENHP
GMQIAVGGCL AQKDKDTVLD NAPWVDAVFG THNMAALPTL LERARHNEEA QVEIVDSLEA
FPSVLPAKRE SAYAGWVSVS VGCNNTCTFC IVPSLRGKEE DRRPGDILAE VQALVDQGVS
EVTLLGQNVN AYGVNFADPE MPRDRFAFSK LLREVGKIDG LERLRFTSPH PAEFTSDVID
AMAETPAVCP QLHMPLQSGS DKVLKDMRRS YRTKKFLRIL DEVREKIPNA AITTDIIVGF
PGETEVDFQD TMDLVRRARF ASAFTFQYSP RPGTPAAEME NQVPKEVVQD RFERLVALQD
SIQAEENQKL VGTEVELLVQ AEGGRKNDET HRMSGRARDG RLVHFSPIDD NGADISVEIR
PGDVVRTKVT GAGSFFLLAD AAVSAHTRTK AGDMSAAGQT PTTAPIGVGL GLPGIGKPAG
AAAADSCGC
//
