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MTNK_GEOKA
ID   MTNK_GEOKA              Reviewed;         396 AA.
AC   Q5L1E5;
DT   16-DEC-2008, integrated into UniProtKB/Swiss-Prot.
DT   01-FEB-2005, sequence version 1.
DT   03-AUG-2022, entry version 95.
DE   RecName: Full=Methylthioribose kinase {ECO:0000255|HAMAP-Rule:MF_01683};
DE            Short=MTR kinase {ECO:0000255|HAMAP-Rule:MF_01683};
DE            EC=2.7.1.100 {ECO:0000255|HAMAP-Rule:MF_01683};
GN   Name=mtnK {ECO:0000255|HAMAP-Rule:MF_01683}; OrderedLocusNames=GK0950;
OS   Geobacillus kaustophilus (strain HTA426).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Geobacillus;
OC   Geobacillus thermoleovorans group.
OX   NCBI_TaxID=235909;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=HTA426;
RX   PubMed=15576355; DOI=10.1093/nar/gkh970;
RA   Takami H., Takaki Y., Chee G.-J., Nishi S., Shimamura S., Suzuki H.,
RA   Matsui S., Uchiyama I.;
RT   "Thermoadaptation trait revealed by the genome sequence of thermophilic
RT   Geobacillus kaustophilus.";
RL   Nucleic Acids Res. 32:6292-6303(2004).
CC   -!- FUNCTION: Catalyzes the phosphorylation of methylthioribose into
CC       methylthioribose-1-phosphate. {ECO:0000255|HAMAP-Rule:MF_01683}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=5-(methylsulfanyl)-D-ribose + ATP = ADP + H(+) + S-methyl-5-
CC         thio-alpha-D-ribose 1-phosphate; Xref=Rhea:RHEA:22312,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:30616, ChEBI:CHEBI:58533,
CC         ChEBI:CHEBI:78440, ChEBI:CHEBI:456216; EC=2.7.1.100;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01683};
CC   -!- PATHWAY: Amino-acid biosynthesis; L-methionine biosynthesis via salvage
CC       pathway; S-methyl-5-thio-alpha-D-ribose 1-phosphate from S-methyl-5'-
CC       thioadenosine (hydrolase route): step 2/2. {ECO:0000255|HAMAP-
CC       Rule:MF_01683}.
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_01683}.
CC   -!- SIMILARITY: Belongs to the methylthioribose kinase family.
CC       {ECO:0000255|HAMAP-Rule:MF_01683}.
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DR   EMBL; BA000043; BAD75235.1; -; Genomic_DNA.
DR   RefSeq; WP_011230451.1; NC_006510.1.
DR   AlphaFoldDB; Q5L1E5; -.
DR   SMR; Q5L1E5; -.
DR   STRING; 235909.GK0950; -.
DR   EnsemblBacteria; BAD75235; BAD75235; GK0950.
DR   KEGG; gka:GK0950; -.
DR   PATRIC; fig|235909.7.peg.1038; -.
DR   eggNOG; COG4857; Bacteria.
DR   HOGENOM; CLU_033681_0_0_9; -.
DR   OMA; EMCEITE; -.
DR   UniPathway; UPA00904; UER00872.
DR   Proteomes; UP000001172; Chromosome.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0046522; F:S-methyl-5-thioribose kinase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0019509; P:L-methionine salvage from methylthioadenosine; IEA:UniProtKB-UniPathway.
DR   GO; GO:0019284; P:L-methionine salvage from S-adenosylmethionine; IEA:UniProtKB-UniRule.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   HAMAP; MF_01683; Salvage_MtnK; 1.
DR   InterPro; IPR002575; Aminoglycoside_PTrfase.
DR   InterPro; IPR011009; Kinase-like_dom_sf.
DR   InterPro; IPR009212; Methylthioribose_kinase.
DR   Pfam; PF01636; APH; 1.
DR   PIRSF; PIRSF031134; MTRK; 1.
DR   SUPFAM; SSF56112; SSF56112; 1.
DR   TIGRFAMs; TIGR01767; MTRK; 1.
PE   3: Inferred from homology;
KW   Amino-acid biosynthesis; ATP-binding; Kinase; Methionine biosynthesis;
KW   Nucleotide-binding; Reference proteome; Transferase.
FT   CHAIN           1..396
FT                   /note="Methylthioribose kinase"
FT                   /id="PRO_0000357344"
FT   BINDING         44
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01683"
FT   BINDING         61
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01683"
FT   BINDING         115..117
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01683"
FT   BINDING         233
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01683"
FT   BINDING         250..252
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01683"
FT   BINDING         340
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01683"
SQ   SEQUENCE   396 AA;  44982 MW;  55D8C13332CD678A CRC64;
     MTTVQTSVYE PLTEPKAVAL AVRLGLFRDG TPLACREIGD GNLNLVFHIV DQETKQGVII
     KQALPYAKVV GESWPLTLKR AVIESNALRT FASYVPQYVP KVYYSDESLA ITVMEDLSRL
     QIARKGLIEG KTYPLLSQHI GEFVAKTAFY TSDFGMNQQE KKKLAQSFVN PELCKITEDL
     VFTDPFFDHE TNNFEDELRP DVEALWRDDR LHLEAAKLKR KFLTEADVLL HGDLHTGSIF
     VSADETKVID PEFAFYGPIG FDLGQFFANL LLNALSRSEL ERQPLFDHID RTWDVFASVF
     SNLWRTESVE TYAATPGLLE DVLRHAFIDA VGFAGCEVIR RTIGLAHVAD LDGIEHKDER
     LVAKRHALRL GRRLIIERRV FTGTEDFRRL FAETEQ
 
 
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