Structure of PDB 3ktq Chain A Binding Site BS05

Receptor Information
>3ktq Chain A (length=539) Species: 271 (Thermus aquaticus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ALEEAPWPPPEGAFVGFVLSRKEPMWADLLALAAARGGRVHRAPEPYKAL
RDLKEARGLLAKDLSVLALREGLGLPPGDDPMLLAYLLDPSNTTPEGVAR
RYGGEWTEEAGERAALSERLFANLWGRLEGEERLLWLYREVERPLSAVLA
HMEATGVRLDVAYLRALSLEVAEEIARLEAEVFRLAGHPFNLNSRDQLER
VLFDELGLPAIGKTEKTGKRSTSAAVLEALREAHPIVEKILQYRELTKLK
STYIDPLPDLIHPRTGRLHTRFNQTATATGRLSSSDPNLQNIPVRTPLGQ
RIRRAFIAEEGWLLVALDYSQIELRVLAHLSGDENLIRVFQEGRDIHTET
ASWMFGVPREAVDPLMRRAAKTINFGVLYGMSAHRLSQELAIPYEEAQAF
IERYFQSFPKVRAWIEKTLEEGRRRGYVETLFGRRRYVPDLEARVKSVRE
AAERMAFNMPVQGTAADLMKLAMVKLFPRLEEMGARMLLQVHDELVLEAP
KERAEAVARLAKEVMEGVYPLAVPLEVEVGIGEDWLSAK
Ligand information
Ligand IDDCT
InChIInChI=1S/C9H16N3O12P3/c10-7-3-4-12(9(13)11-7)8-2-1-6(22-8)5-21-26(17,18)24-27(19,20)23-25(14,15)16/h3-4,6,8H,1-2,5H2,(H,17,18)(H,19,20)(H2,10,11,13)(H2,14,15,16)/t6-,8+/m0/s1
InChIKeyARLKCWCREKRROD-POYBYMJQSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0C1CC(OC1COP(=O)(O)OP(=O)(O)OP(=O)(O)O)N2C=CC(=NC2=O)N
OpenEye OEToolkits 1.5.0C1C[C@@H](O[C@@H]1CO[P@](=O)(O)O[P@](=O)(O)OP(=O)(O)O)N2C=CC(=NC2=O)N
CACTVS 3.341NC1=NC(=O)N(C=C1)[CH]2CC[CH](CO[P](O)(=O)O[P](O)(=O)O[P](O)(O)=O)O2
CACTVS 3.341NC1=NC(=O)N(C=C1)[C@H]2CC[C@@H](CO[P@@](O)(=O)O[P@@](O)(=O)O[P](O)(O)=O)O2
FormulaC9 H16 N3 O12 P3
Name2',3'-DIDEOXYCYTIDINE 5'-TRIPHOSPHATE
ChEMBLCHEMBL1201384
DrugBank
ZINCZINC000013516800
PDB chain3ktq Chain A Residue 113 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3ktq Crystal structures of open and closed forms of binary and ternary complexes of the large fragment of Thermus aquaticus DNA polymerase I: structural basis for nucleotide incorporation.
Resolution2.3 Å
Binding residue
(original residue number in PDB)		D610 Y611 S612 Q613 I614 E615 R659 K663 F667 D785
Binding residue
(residue number reindexed from 1)		D318 Y319 S320 Q321 I322 E323 R367 K371 F375 D493
Annotation score1
Enzymatic activity
Enzyme Commision number 2.7.7.7: DNA-directed DNA polymerase.
Gene Ontology
Molecular Function
GO:0001882 nucleoside binding
GO:0003676 nucleic acid binding
GO:0003677 DNA binding
GO:0003887 DNA-directed DNA polymerase activity
Biological Process
GO:0006260 DNA replication
GO:0006261 DNA-templated DNA replication
GO:0006281 DNA repair

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Molecular Function
View graph for
Biological Process
External links
PDB RCSB:3ktq, PDBe:3ktq, PDBj:3ktq
PDBsum3ktq
PubMed9857206
UniProtP19821|DPO1_THEAQ DNA polymerase I, thermostable (Gene Name=polA)

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