GenomeNet

Database: UniProt
Entry: Q5FKZ1
LinkDB: Q5FKZ1
Original site: Q5FKZ1 
ID   KITH_LACAC              Reviewed;         199 AA.
AC   Q5FKZ1;
DT   30-AUG-2005, integrated into UniProtKB/Swiss-Prot.
DT   30-AUG-2005, sequence version 2.
DT   05-DEC-2018, entry version 81.
DE   RecName: Full=Thymidine kinase {ECO:0000255|HAMAP-Rule:MF_00124};
DE            EC=2.7.1.21 {ECO:0000255|HAMAP-Rule:MF_00124};
GN   Name=tdk {ECO:0000255|HAMAP-Rule:MF_00124}; OrderedLocusNames=LBA0766;
OS   Lactobacillus acidophilus (strain ATCC 700396 / NCK56 / N2 / NCFM).
OC   Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae;
OC   Lactobacillus.
OX   NCBI_TaxID=272621;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700396 / NCK56 / N2 / NCFM;
RX   PubMed=15671160; DOI=10.1073/pnas.0409188102;
RA   Altermann E., Russell W.M., Azcarate-Peril M.A., Barrangou R.,
RA   Buck B.L., McAuliffe O., Souther N., Dobson A., Duong T., Callanan M.,
RA   Lick S., Hamrick A., Cano R., Klaenhammer T.R.;
RT   "Complete genome sequence of the probiotic lactic acid bacterium
RT   Lactobacillus acidophilus NCFM.";
RL   Proc. Natl. Acad. Sci. U.S.A. 102:3906-3912(2005).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + thymidine = ADP + dTMP + H(+);
CC         Xref=Rhea:RHEA:19129, ChEBI:CHEBI:15378, ChEBI:CHEBI:17748,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:63528, ChEBI:CHEBI:456216;
CC         EC=2.7.1.21; Evidence={ECO:0000255|HAMAP-Rule:MF_00124};
CC   -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_00124}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00124}.
CC   -!- SIMILARITY: Belongs to the thymidine kinase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00124}.
CC   -!- SEQUENCE CAUTION:
CC       Sequence=AAV42633.1; Type=Erroneous initiation; Evidence={ECO:0000305};
DR   EMBL; CP000033; AAV42633.1; ALT_INIT; Genomic_DNA.
DR   RefSeq; YP_193664.1; NC_006814.3.
DR   ProteinModelPortal; Q5FKZ1; -.
DR   STRING; 272621.LBA0766; -.
DR   EnsemblBacteria; AAV42633; AAV42633; LBA0766.
DR   GeneID; 3251539; -.
DR   KEGG; lac:LBA0766; -.
DR   PATRIC; fig|272621.13.peg.729; -.
DR   eggNOG; ENOG4107104; Bacteria.
DR   eggNOG; COG1435; LUCA.
DR   HOGENOM; HOG000076391; -.
DR   KO; K00857; -.
DR   Proteomes; UP000006381; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004797; F:thymidine kinase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0071897; P:DNA biosynthetic process; IEA:UniProtKB-KW.
DR   HAMAP; MF_00124; Thymidine_kinase; 1.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   InterPro; IPR001267; Thymidine_kinase.
DR   InterPro; IPR020633; Thymidine_kinase_CS.
DR   PANTHER; PTHR11441; PTHR11441; 1.
DR   Pfam; PF00265; TK; 1.
DR   PIRSF; PIRSF035805; TK_cell; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
DR   PROSITE; PS00603; TK_CELLULAR_TYPE; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Complete proteome; Cytoplasm; DNA synthesis; Kinase;
KW   Metal-binding; Nucleotide-binding; Reference proteome; Transferase;
KW   Zinc.
FT   CHAIN         1    199       Thymidine kinase.
FT                                /FTId=PRO_0000174981.
FT   NP_BIND       9     16       ATP. {ECO:0000255|HAMAP-Rule:MF_00124}.
FT   NP_BIND      93     96       ATP. {ECO:0000255|HAMAP-Rule:MF_00124}.
FT   ACT_SITE     94     94       Proton acceptor. {ECO:0000255|HAMAP-
FT                                Rule:MF_00124}.
FT   METAL       151    151       Zinc. {ECO:0000255|HAMAP-Rule:MF_00124}.
FT   METAL       154    154       Zinc. {ECO:0000255|HAMAP-Rule:MF_00124}.
FT   METAL       188    188       Zinc. {ECO:0000255|HAMAP-Rule:MF_00124}.
FT   METAL       191    191       Zinc. {ECO:0000255|HAMAP-Rule:MF_00124}.
SQ   SEQUENCE   199 AA;  22659 MW;  CEF52A5C50AADE36 CRC64;
     MAQLFFRYGA MSSGKTIEIL KVAHNYEAQG RKIALMTSGL DNRSGVGTVA SRIGIHRKAI
     PITEEMDLFE YIKEMNNHDL ADGDGKLACV LIDEAQFLKR HHVLECAKIV DEFNIPVMTF
     GLKNDFQNHL FEGSENLLIF ADKIEEMKTI CHYCGHKATM NLRINNGKPV YEGEQVQIGG
     DESYYPVCRY HYFHPNVVR
//
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