Structure of PDB 1tk8 Chain A Binding Site BS04

Receptor Information
>1tk8 Chain A (length=692) Species: 10760 (Escherichia phage T7) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MIVSDIEANALLESVTKFHCGVIYDYSTAEYVSYRPSDFGAYLDALEAEV
ARGGLIVFHNGHKYDVPALTKLAKLQLNREFHLPRENCIDTLVLSRLIHS
NLKDTDMGLLRSGKLPGALEAWGYRLGEMKGEYKDDFKRMLEEQGEEYVD
GMEWWNFNEEMMDYNVQDVVVTKALLEKLLSDKHYFPPEIDFTDVGYTTF
WSESLEAVDIEHRAAWLLAKQERNGFPFDTKAIEELYVELAARRSELLRK
LTETFGSWYQPKGGTEMFCHPRTGKPLPKYPRIKTPKVGGIFKKPKNKAQ
REGREPCELDTREYVAGAPYTPVEHVVFNPSSRDHIQKKLQEAGWVPTKY
TDKGAPVVDDEVLEGVRVDDPEKQAAIDLIKEYLMIQKRIGQSAEGDKAW
LRYVAEDGKIHGSVNPNGAVTGRATHAFPNLAQIPGVRSPYGEQCRAAFG
AEHHLDGITGKPWVQAGIDASGLELRCLAHFMARFDNGEYAHEILNGDIH
TKNQIAAELPTRDNAKTFIYGFLYGAGDEKIGQIVGAGKERGKELKKKFL
ENTPAIAALRESIQQTLVESSQQVKWKRRWIKGLDGRKVHVRSPHAALNT
LLQSAGALICKLWIIKTEEMLVEKGLKHGWDGDFAYMAWVHDEIQVGCRT
EEIAQVVIETAQEAMRWVGDHWNFRCLLDTEGKMGPNWAICH
Ligand information
Ligand IDMG
InChIInChI=1S/Mg/q+2
InChIKeyJLVVSXFLKOJNIY-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Mg+2]
CACTVS 3.341[Mg++]
FormulaMg
NameMAGNESIUM ION
ChEMBL
DrugBankDB01378
ZINC
PDB chain1tk8 Chain A Residue 902 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1tk8 Structural basis for the dual coding potential of 8-oxoguanosine by a high-fidelity DNA polymerase.
Resolution2.5 Å
Binding residue
(original residue number in PDB)		D475 D654
Binding residue
(residue number reindexed from 1)		D469 D642
Annotation score1
Enzymatic activity
Enzyme Commision number 2.7.7.7: DNA-directed DNA polymerase.
3.1.11.-
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0003676 nucleic acid binding
GO:0003677 DNA binding
GO:0003887 DNA-directed DNA polymerase activity
GO:0004527 exonuclease activity
GO:0004529 DNA exonuclease activity
GO:0005515 protein binding
GO:0008408 3'-5' exonuclease activity
GO:0046872 metal ion binding
Biological Process
GO:0006260 DNA replication
GO:0006261 DNA-templated DNA replication
GO:0006302 double-strand break repair
GO:0039693 viral DNA genome replication
GO:0090592 DNA synthesis involved in DNA replication

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:1tk8, PDBe:1tk8, PDBj:1tk8
PDBsum1tk8
PubMed15297882
UniProtP00581|DPOL_BPT7 DNA-directed DNA polymerase (Gene Name=5)

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