GenomeNet

Database: UniProt
Entry: A0A1V0A6C9_9ACTN
LinkDB: A0A1V0A6C9_9ACTN
Original site: A0A1V0A6C9_9ACTN 
ID   A0A1V0A6C9_9ACTN        Unreviewed;       479 AA.
AC   A0A1V0A6C9;
DT   07-JUN-2017, integrated into UniProtKB/TrEMBL.
DT   07-JUN-2017, sequence version 1.
DT   24-JAN-2024, entry version 27.
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   ORFNames=BKM31_33640 {ECO:0000313|EMBL:AQZ65751.1};
OS   Nonomuraea sp. ATCC 55076.
OC   Bacteria; Actinomycetota; Actinomycetes; Streptosporangiales;
OC   Streptosporangiaceae; Nonomuraea.
OX   NCBI_TaxID=1909395 {ECO:0000313|EMBL:AQZ65751.1, ECO:0000313|Proteomes:UP000190797};
RN   [1] {ECO:0000313|Proteomes:UP000190797}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 55076 {ECO:0000313|Proteomes:UP000190797};
RX   PubMed=28626548; DOI=10.1039/c6md00637j;
RA   Nazari B., Forneris C.C., Gibson M.I., Moon K., Schramma K.R.,
RA   Seyedsayamdost M.R.;
RT   "Nonomuraea sp. ATCC 55076 harbours the largest actinomycete chromosome to
RT   date and the kistamicin biosynthetic gene cluster.";
RL   Med. Chem. Commun. 8:780-788(2017).
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   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; CP017717; AQZ65751.1; -; Genomic_DNA.
DR   AlphaFoldDB; A0A1V0A6C9; -.
DR   STRING; 1909395.BKM31_33640; -.
DR   KEGG; noa:BKM31_33640; -.
DR   Proteomes; UP000190797; Chromosome.
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}; Reference proteome {ECO:0000313|Proteomes:UP000190797};
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..360
FT                   /note="Radical SAM core"
FT                   /evidence="ECO:0000259|PROSITE:PS51918"
FT   DOMAIN          362..430
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   479 AA;  52115 MW;  F05FC23BD15C8DB2 CRC64;
     MNVHDSERLS GLLEDAGYVP APDGETADVV VFNTCAVREN ADNRLYGNLG HLRPAKTRNP
     RMQIAVGGCL AQKDQGEIVR KAPWVDVVFG THNIGSLPVL LERARVEGEA QVELKESLEV
     FPSTLPTKRE SAYAAWVSIS VGCNNTCTFC IVPSLRGKEK DRRPGDILAE VRTLVEQGAL
     EVTLLGQNVN TYGVEFGDRL AFGKLLRACG DIDGLERVRF TSPHPAAFTD DVIAAMAETP
     NVMHQLHMPL QSGSDRVLKA MRRSYRAERY LGIIERVRAA MPDAAISTDI IVGFPGETEE
     DFQATLDVVR QSRFANAFTF QYSIRPGTPA ATMPDQVPKE VVQERYERLV ALQEEISWEE
     NKKQVGRTLE VLVAEGEGRK DDATHRLSGR APDNRLVHFA VGSETPRPGD MVTVEVTYAA
     PHHLVADGAV LGVRRTRAGD AWEARQGTAS SPAPGVLLGM PTIGRPAPLP AATGGCSAH
//
DBGET integrated database retrieval system