ID   MTNK_BACC4              Reviewed;         393 AA.
AC   B7H924;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   03-AUG-2022, entry version 63.
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};
GN   OrderedLocusNames=BCB4264_A4140;
OS   Bacillus cereus (strain B4264).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Bacillus;
OC   Bacillus cereus group.
OX   NCBI_TaxID=405532;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=B4264;
RA   Dodson R.J., Durkin A.S., Rosovitz M.J., Rasko D.A., Hoffmaster A.,
RA   Ravel J., Sutton G.;
RT   "Genome sequence of Bacillus cereus B4264.";
RL   Submitted (OCT-2008) to the EMBL/GenBank/DDBJ databases.
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; CP001176; ACK63561.1; -; Genomic_DNA.
DR   RefSeq; WP_000542682.1; NC_011725.1.
DR   AlphaFoldDB; B7H924; -.
DR   SMR; B7H924; -.
DR   EnsemblBacteria; ACK63561; ACK63561; BCB4264_A4140.
DR   GeneID; 67508669; -.
DR   KEGG; bcb:BCB4264_A4140; -.
DR   HOGENOM; CLU_033681_0_0_9; -.
DR   OMA; EMCEITE; -.
DR   UniPathway; UPA00904; UER00872.
DR   Proteomes; UP000007096; 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; Transferase.
FT   CHAIN           1..393
FT                   /note="Methylthioribose kinase"
FT                   /id="PRO_1000187401"
FT   BINDING         38
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01683"
FT   BINDING         53
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01683"
FT   BINDING         107..109
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01683"
FT   BINDING         225
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01683"
FT   BINDING         242..244
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01683"
FT   BINDING         332
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01683"
SQ   SEQUENCE   393 AA;  44947 MW;  611EA1A717B43EA5 CRC64;
     MGYYSLTEIT AVQYAKDHGY FEEKANVICH EIGDGNLNYV FKLDDGEKSI IIKQALPYAK
     VVGESWPLSI KRATIESKAL QIFAQYVPDY VPVVYSHDEE LAITVIEDLS RLTITRKGLI
     DGEEYPLLSQ HIGRFLAHVL FYTSDFGLQS EEKRILEGTF VNPDLCKITE DLVFTDPFGH
     YDTNDYEPDL QLVVDELWSD KTLKLKVAQY KYKFLTRKET LIHGDLHTGS IFSSPSETKV
     IDPEFATYGP FGFDIGQFIA NLLLNALSRE EEKRSVLFFH IEKTWSYFVE TFTKLWIGEG
     VEAYTKEKQW LPIILQNIFT DAVGFAGCEL IRRTIGLAHV ADLDEIENKE TRIQAKKQAL
     SLGKELIKYE SKSADIQLFR TLFQQTVSRG VKA