Structure of PDB 8e8b Chain A Binding Site BS03

Receptor Information
>8e8b Chain A (length=425) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GPHMATGQDRVVALVDMDCFFVQVEQRQNPHLRNKPCAVVQYKSWKGGGI
IAVSYEARAFGVTRSMWADDAKKLCPDLLLAQVRESRGKANLTKYREASV
EVMEIMSRFAVIERASIDEAYVDLTSAVQERLQKLQGQPISADLLPSTYI
EGLPQGQKEGMRKQGLFQWLDSLQIDNLTSPDLQLTVGAVIVEEMRAAIE
RETGFQCSAGISHNKVLAKLACGLNKPNRQTLVSHGSVPQLFSQMPIRKI
RSLGGKLGASVIEILGIEYMGELTQFTESQLQSHFGEKNGSWLYAMCRGI
EHDPVKPRQLPKTIGCSKNFPGKTALATREQVQWWLLQLAQELEERLTKD
RNDNDRVATQLVVSIRVQGDKRLSSLRRCCALTRYDAHKMSHDAFTVIKN
CNTSGTEWSPPLTMLFLCATKFSAS
Ligand information
Ligand IDDGT
InChIInChI=1S/C10H16N5O13P3/c11-10-13-8-7(9(17)14-10)12-3-15(8)6-1-4(16)5(26-6)2-25-30(21,22)28-31(23,24)27-29(18,19)20/h3-6,16H,1-2H2,(H,21,22)(H,23,24)(H2,18,19,20)(H3,11,13,14,17)/t4-,5+,6+/m0/s1
InChIKeyHAAZLUGHYHWQIW-KVQBGUIXSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1nc2c(n1C3CC(C(O3)COP(=O)(O)OP(=O)(O)OP(=O)(O)O)O)N=C(NC2=O)N
CACTVS 3.341NC1=Nc2n(cnc2C(=O)N1)[CH]3C[CH](O)[CH](CO[P](O)(=O)O[P](O)(=O)O[P](O)(O)=O)O3
CACTVS 3.341NC1=Nc2n(cnc2C(=O)N1)[C@H]3C[C@H](O)[C@@H](CO[P@](O)(=O)O[P@](O)(=O)O[P](O)(O)=O)O3
ACDLabs 10.04O=P(O)(O)OP(=O)(O)OP(=O)(O)OCC3OC(n2cnc1c2N=C(N)NC1=O)CC3O
OpenEye OEToolkits 1.5.0c1nc2c(n1[C@H]3C[C@@H]([C@H](O3)CO[P@@](=O)(O)O[P@@](=O)(O)OP(=O)(O)O)O)N=C(NC2=O)N
FormulaC10 H16 N5 O13 P3
Name2'-DEOXYGUANOSINE-5'-TRIPHOSPHATE
ChEMBLCHEMBL477486
DrugBankDB02181
ZINCZINC000008215755
PDB chain8e8b Chain A Residue 501 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB8e8b Primer terminal ribonucleotide alters the active site dynamics of DNA polymerase eta and reduces DNA synthesis fidelity.
Resolution2.2 Å
Binding residue
(original residue number in PDB)		D15 C16 F17 F18 Q38 I48 Y52 R55 R61 D115 K231
Binding residue
(residue number reindexed from 1)		D18 C19 F20 F21 Q41 I51 Y55 R58 R64 D118 K226
Annotation score1
Enzymatic activity
Enzyme Commision number 2.7.7.7: DNA-directed DNA polymerase.
Gene Ontology
Molecular Function
GO:0003684 damaged DNA binding
Biological Process
GO:0006281 DNA repair

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:8e8b, PDBe:8e8b, PDBj:8e8b
PDBsum8e8b
PubMed36702254
UniProtQ9Y253|POLH_HUMAN DNA polymerase eta (Gene Name=POLH)

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