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KITH_ALHV1
ID   KITH_ALHV1              Reviewed;         561 AA.
AC   O36371;
DT   08-MAR-2011, integrated into UniProtKB/Swiss-Prot.
DT   01-JAN-1998, sequence version 1.
DT   03-AUG-2022, entry version 67.
DE   RecName: Full=Thymidine kinase {ECO:0000255|HAMAP-Rule:MF_04029};
DE            EC=2.7.1.21 {ECO:0000255|HAMAP-Rule:MF_04029};
GN   Name=TK {ECO:0000255|HAMAP-Rule:MF_04029}; OrderedLocusNames=21;
OS   Alcelaphine herpesvirus 1 (strain C500) (AlHV-1) (Malignant catarrhal fever
OS   virus).
OC   Viruses; Duplodnaviria; Heunggongvirae; Peploviricota; Herviviricetes;
OC   Herpesvirales; Herpesviridae; Gammaherpesvirinae; Macavirus.
OX   NCBI_TaxID=654901;
OH   NCBI_TaxID=9927; Connochaetes taurinus (Blue wildebeest).
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX   PubMed=9261371; DOI=10.1128/jvi.71.9.6517-6525.1997;
RA   Ensser A., Pflanz R., Fleckenstein B.;
RT   "Primary structure of the alcelaphine herpesvirus 1 genome.";
RL   J. Virol. 71:6517-6525(1997).
CC   -!- FUNCTION: Catalyzes the transfer of the gamma-phospho group of ATP to
CC       thymidine to generate dTMP in the salvage pathway of pyrimidine
CC       synthesis. The dTMP serves as a substrate for DNA polymerase during
CC       viral DNA replication. Allows the virus to be reactivated and to grow
CC       in non-proliferative cells lacking a high concentration of
CC       phosphorylated nucleic acid precursors. {ECO:0000255|HAMAP-
CC       Rule:MF_04029}.
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         Evidence={ECO:0000255|HAMAP-Rule:MF_04029};
CC   -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_04029}.
CC   -!- SIMILARITY: Belongs to the herpesviridae thymidine kinase family.
CC       {ECO:0000255|HAMAP-Rule:MF_04029}.
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DR   EMBL; AF005370; AAC58068.1; -; Genomic_DNA.
DR   PIR; T03116; A60030.
DR   RefSeq; NP_065520.1; NC_002531.1.
DR   GeneID; 911756; -.
DR   KEGG; vg:911756; -.
DR   Proteomes; UP000000941; Genome.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0004797; F:thymidine kinase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0071897; P:DNA biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR   GO; GO:0006230; P:TMP biosynthetic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.50.300; -; 1.
DR   HAMAP; MF_04029; HSV_KITH; 1.
DR   InterPro; IPR001889; Herpes_TK.
DR   InterPro; IPR013672; Herpes_TK_C.
DR   InterPro; IPR027417; P-loop_NTPase.
DR   Pfam; PF00693; Herpes_TK; 1.
DR   Pfam; PF08465; Herpes_TK_C; 1.
DR   SUPFAM; SSF52540; SSF52540; 1.
PE   3: Inferred from homology;
KW   ATP-binding; DNA synthesis; Early protein; Kinase; Nucleotide-binding;
KW   Reference proteome; Transferase.
FT   CHAIN           1..561
FT                   /note="Thymidine kinase"
FT                   /id="PRO_0000405714"
FT   REGION          1..22
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   REGION          34..122
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        1..15
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        98..122
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        272
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_04029"
FT   BINDING         245..252
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_04029"
FT   BINDING         310
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_04029"
FT   BINDING         400
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_04029"
FT   BINDING         406
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_04029"
SQ   SEQUENCE   561 AA;  62796 MW;  5ED9F2955E4669AD CRC64;
     MASNSHNNYN TPRRQNYDVP KAWEEDSLYE NIDFLTQPAV SSDTSEDEEP LPLGRETGRG
     SRGSTRPKTP RGLVRPRQDA DNPSSDEGFD WEPLESFTSQ PGAFSFLEPP RLSSSNTASG
     LRSSCSDFTI LGSSGENPTS HANLSEEEMY EEIPPLASNP SDERHPRQLS GAVAQGAIRK
     SPRKLKFKPA KFKGLSSSLL NPFTASDSGR RARRQTPTCQ PGFTPIFQDL GEPHYVKACT
     VFFEGCMAAG KTTLLNFARQ TLSDDEALTI PEPMRFWTEV YTNVLSQIVK INKECKPGKT
     STTAELVSCQ LKFATPLKTQ SLFLQRSVKK DSEMQPVGPL DKWVIVDRHQ LSALVVFPLV
     LMRRGMLSFS DFFNLLGMFE AHPGEVIALM SVNVEENFTR LKKRGRVCER HIDRDYIKEI
     KGSFNAAYCA WLFLQYFSIQ TTMQICMGLS SLDEACATEG VCHTTASRIW NNSMLVTLSD
     IISQFSNDYT VQNVCYNFFS QLSTLKFVVI DLSAFRHDVP GAWGEFYMQV MKNGDIKTRV
     MDFTAIKALA DTAHNTHASL D
 
 
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