ID A0A1B9EWZ6_9ACTN Unreviewed; 216 AA.
AC A0A1B9EWZ6;
DT 02-NOV-2016, integrated into UniProtKB/TrEMBL.
DT 02-NOV-2016, sequence version 1.
DT 24-JAN-2024, entry version 23.
DE RecName: Full=Thymidine kinase {ECO:0000256|ARBA:ARBA00012118, ECO:0000256|HAMAP-Rule:MF_00124};
DE EC=2.7.1.21 {ECO:0000256|ARBA:ARBA00012118, ECO:0000256|HAMAP-Rule:MF_00124};
GN Name=tdk {ECO:0000256|HAMAP-Rule:MF_00124,
GN ECO:0000313|EMBL:OCC12003.1};
GN ORFNames=A3Q37_02194 {ECO:0000313|EMBL:OCC12003.1};
OS Streptomyces sp. PTY087I2.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=1819298 {ECO:0000313|EMBL:OCC12003.1, ECO:0000313|Proteomes:UP000093256};
RN [1] {ECO:0000313|EMBL:OCC12003.1, ECO:0000313|Proteomes:UP000093256}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=PTY087I2 {ECO:0000313|EMBL:OCC12003.1,
RC ECO:0000313|Proteomes:UP000093256};
RA Kjaerup R.B., Dalgaard T.S., Juul-Madsen H.R.;
RL Submitted (JUN-2016) to the EMBL/GenBank/DDBJ databases.
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:0000256|HAMAP-Rule:MF_00124,
CC ECO:0000256|RuleBase:RU000544};
CC -!- SUBUNIT: Homotetramer. {ECO:0000256|HAMAP-Rule:MF_00124}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00124}.
CC -!- SIMILARITY: Belongs to the thymidine kinase family.
CC {ECO:0000256|ARBA:ARBA00007587, ECO:0000256|HAMAP-Rule:MF_00124,
CC ECO:0000256|RuleBase:RU004165}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_00124}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:OCC12003.1}.
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DR EMBL; LZRD01000008; OCC12003.1; -; Genomic_DNA.
DR RefSeq; WP_065481424.1; NZ_LZRD01000008.1.
DR AlphaFoldDB; A0A1B9EWZ6; -.
DR PATRIC; fig|1819298.4.peg.2286; -.
DR Proteomes; UP000093256; Unassembled WGS sequence.
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:0071897; P:DNA biosynthetic process; IEA:UniProtKB-KW.
DR GO; GO:0016310; P:phosphorylation; IEA:UniProtKB-KW.
DR Gene3D; 3.30.60.20; -; 1.
DR Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 1.
DR HAMAP; MF_00124; Thymidine_kinase; 1.
DR InterPro; IPR027417; P-loop_NTPase.
DR InterPro; IPR001267; Thymidine_kinase.
DR PANTHER; PTHR11441; THYMIDINE KINASE; 1.
DR PANTHER; PTHR11441:SF0; THYMIDINE KINASE, CYTOSOLIC; 1.
DR Pfam; PF00265; TK; 1.
DR PIRSF; PIRSF035805; TK_cell; 1.
DR SUPFAM; SSF57716; Glucocorticoid receptor-like (DNA-binding domain); 1.
DR SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1.
PE 3: Inferred from homology;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_00124}; Cytoplasm {ECO:0000256|HAMAP-Rule:MF_00124};
KW DNA synthesis {ECO:0000256|ARBA:ARBA00022634, ECO:0000256|HAMAP-
KW Rule:MF_00124};
KW Kinase {ECO:0000256|ARBA:ARBA00022777, ECO:0000256|HAMAP-Rule:MF_00124};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_00124}; Reference proteome {ECO:0000313|Proteomes:UP000093256};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00124}.
FT ACT_SITE 87
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00124,
FT ECO:0000256|PIRSR:PIRSR035805-1"
FT BINDING 9..16
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00124"
FT BINDING 86..89
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00124"
SQ SEQUENCE 216 AA; 23399 MW; E6B87D7BDABCF222 CRC64;
MPELVFFSGT MDCGKSTLAL QIGHNRSARG LQGVIFTRDD RAGEGKLSSR LGLVTDAVEA
QEGLDLYANI VDRVSRGGRV DYVIVDEAQF LAPDQIDQLA RVVDDLKLDV FAFGITTDFR
TKLFPGSQRL IELADRIEAL QVEALCWCGA RATHNARTVG GAMVVEGEQV VVGDVDRPAT
EIGYEVLCRR HHRRRMTSAA ANAGALSPDV LPVSTG
//
