ID   KITH_YMTV5              Reviewed;         181 AA.
AC   Q90033;
DT   01-DEC-2000, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1996, sequence version 1.
DT   03-AUG-2022, entry version 93.
DE   RecName: Full=Thymidine kinase;
DE            EC=2.7.1.21;
GN   Name=TK; OrderedLocusNames=66R; ORFNames=I7R;
OS   Yaba monkey tumor virus (strain VR587) (YMTV).
OC   Viruses; Varidnaviria; Bamfordvirae; Nucleocytoviricota; Pokkesviricetes;
OC   Chitovirales; Poxviridae; Chordopoxvirinae; Yatapoxvirus.
OX   NCBI_TaxID=928314;
OH   NCBI_TaxID=9538; Erythrocebus patas (Red guenon) (Cercopithecus patas).
OH   NCBI_TaxID=9606; Homo sapiens (Human).
OH   NCBI_TaxID=9539; Macaca (macaques).
OH   NCBI_TaxID=9557; Papio hamadryas (Hamadryas baboon).
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=7730796; DOI=10.1099/0022-1317-76-5-1109;
RA   Amano H., Ueda Y., Miyamura T.;
RT   "Identification and characterization of the thymidine kinase gene of Yaba
RT   virus.";
RL   J. Gen. Virol. 76:1109-1115(1995).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=14645589; DOI=10.1128/jvi.77.24.13335-13347.2003;
RA   Brunetti C.R., Amano H., Ueda Y., Qin J., Miyamura T., Suzuki T., Li X.,
RA   Barrett J.W., McFadden G.;
RT   "Complete genomic sequence and comparative analysis of the tumorigenic
RT   poxvirus Yaba monkey tumor virus.";
RL   J. Virol. 77:13335-13347(2003).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=ATP + thymidine = ADP + dTMP + H(+); Xref=Rhea:RHEA:19129,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:17748, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:63528, ChEBI:CHEBI:456216; EC=2.7.1.21;
CC   -!- SIMILARITY: Belongs to the thymidine kinase family. {ECO:0000305}.
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DR   EMBL; AY386371; AAR07422.1; -; Genomic_DNA.
DR   RefSeq; NP_938321.1; NC_005179.1.
DR   SMR; Q90033; -.
DR   GeneID; 2943610; -.
DR   KEGG; vg:2943610; -.
DR   Proteomes; UP000008596; Genome.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0004797; F:thymidine kinase activity; IEA:UniProtKB-EC.
DR   GO; GO:0071897; P:DNA biosynthetic process; IEA:UniProtKB-KW.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   Gene3D; 3.40.50.300; -; 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; DNA synthesis; Kinase; Metal-binding; Nucleotide-binding;
KW   Reference proteome; Transferase; Zinc.
FT   CHAIN           1..181
FT                   /note="Thymidine kinase"
FT                   /id="PRO_0000174945"
FT   ACT_SITE        85
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255"
FT   BINDING         13..20
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000250"
FT   BINDING         115
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         140
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250"
FT   BINDING         143
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250"
FT   BINDING         159..163
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         172
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250"
FT   BINDING         175
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   181 AA;  20382 MW;  B96DA15132486AA9 CRC64;
     MNSRSGYIHI ILGPMFSGKS TELIRLLKRY QVAMYTCLVI KYSKDERYGR GLVTHDNDSV
     PAIPVNSLNE INCNDINADV IGIDEGQFFP DIVEFCDYMA NNGKILIVAA LDGTFLRQPF
     GNILNLIPRA EYVLKLTAVC MICFGSASFS KRISDEQEIE IIGGKEKYQS VCRVCYFKIN
     N