Structure of PDB 1i3q Chain C Binding Site BS01

Receptor Information
>1i3q Chain C (length=266) Species: 4932 (Saccharomyces cerevisiae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
EEGPQVKIREASKDNVDFILSNVDLAMANSLRRVMIAEIPTLAIDSVEVE
TNTTVLADEFIAHRLGLIPLQSMDIEQLEYSRDCFCEDHCDKCSVVLTLQ
AFGESESTTNVYSKDLVIVSNLMGRNIGHPIIQDKEGNGVLICKLRKGQE
LKLTCVAKKGIAKEHAKWGPAAAIEFEYDPWNKLKHTDYWYEQDSAKEWP
QSKNCEYEDPPNEGDPFDYKAQADTFYMNVESVGSIPVDQVVVRGIDTLQ
KKVASILLALTQMDQD
Ligand information
Ligand IDZN
InChIInChI=1S/Zn/q+2
InChIKeyPTFCDOFLOPIGGS-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Zn++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Zn+2]
FormulaZn
NameZINC ION
ChEMBLCHEMBL1236970
DrugBankDB14532
ZINC
PDB chain1i3q Chain C Residue 2002 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1i3q Structural basis of transcription: RNA polymerase II at 2.8 angstrom resolution.
Resolution3.1 Å
Binding residue
(original residue number in PDB)		C86 C88 C92 C95
Binding residue
(residue number reindexed from 1)		C84 C86 C90 C93
Annotation score1
Enzymatic activity
Enzyme Commision number 2.7.7.6: DNA-directed RNA polymerase.
Gene Ontology
Molecular Function
GO:0001055 RNA polymerase II activity
GO:0003677 DNA binding
GO:0003899 DNA-directed 5'-3' RNA polymerase activity
GO:0003968 RNA-dependent RNA polymerase activity
GO:0005515 protein binding
GO:0008270 zinc ion binding
GO:0046872 metal ion binding
GO:0046983 protein dimerization activity
Biological Process
GO:0001172 RNA-templated transcription
GO:0006351 DNA-templated transcription
GO:0006366 transcription by RNA polymerase II
GO:0006367 transcription initiation at RNA polymerase II promoter
GO:0006368 transcription elongation by RNA polymerase II
GO:0006369 termination of RNA polymerase II transcription
Cellular Component
GO:0000428 DNA-directed RNA polymerase complex
GO:0005634 nucleus
GO:0005654 nucleoplasm
GO:0005665 RNA polymerase II, core complex
GO:0055029 nuclear DNA-directed RNA polymerase complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1i3q, PDBe:1i3q, PDBj:1i3q
PDBsum1i3q
PubMed11313498
UniProtP16370|RPB3_YEAST DNA-directed RNA polymerase II subunit RPB3 (Gene Name=RPB3)

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