Structure of PDB 1k83 Chain B Binding Site BS02

Receptor Information
>1k83 Chain B (length=1082) Species: 4932 (Saccharomyces cerevisiae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
FEDESAPITAEDSWAVISAFFREKGLVSQQLDSFNQFVDYTLQDIICEDS
TLIEISFGKIYVTKPMVNESDGVTHALYPQEARLRNLTYSSGLFVDVKKR
TYKVFIGRLPIMLRSKNCYLSEATESDLYKLKECPFDMGGYFIINGSEKV
LIAQERSAGNIVQVFKKAAPSPISHVAEIRSALEKGSRFISTLQVKLYGR
EGSSARTIKATLPYIKQDIPIVIIFRALGIIPDGEILEHICYDVNDWQML
EMLKPCVEDGFVIQDRETALDFIGRRGTALGIKKEKRIQYAKDILQKEFL
PHITQLEGFESRKAFFLGYMINRLLLCALDRKDQDDRDHFGKKRLDLAGP
LLAQLFKTLFKKLTKDIFRLAINAKTITSGLKYALATGNWGVSQVLNRYT
YSSTLSHLRRTNTPIAKPRQLHNTHWGLVCPAETPEGQACGLVKNLSLMS
CISVGTDPMPIITFLSEWGMEPLEDYVPHQSPDATRVFVNGVWHGVHRNP
ARLMETLRTLRRKGDINPEVSMIRDIREKELKIFTDAGRVYRPLFIVEDD
ESLGHKELKVRKGHIAKLMATEYQDEYTWSSLLNEGLVEYIDAEEEESIL
IAMQPEDLEPDVDPAKRIRVSHHATTFTHCEIHPSMILGVAASIIPFPDH
NQSPRNTYQSAMGKQAMGVFLTNYNVRMDTMANILYYPQKPLGTTRAMEY
LKFRELPAGQNAIVAIACYSGYNQEDSMIMNQSSIDRGLFRSLFFRSYMD
QEKKYGMSITETFEKPQRTNTLRMKHGTYDKLDDDGLIAPGVRVSGEDVI
IGKTTPSKRDASTPLRSTENGIVDQVLVTTNQDGLKFVKVRVRTTKIPQI
GDKFASRHGQKGTIGITYRREDMPFTAEGIVPDLIINPHAIPSRMTVAHL
IECLLSKVAALSGNEGDASPFTDITVEGISKLLREHGYQSRGFEVMYNGH
TGKKLMAQIFFGPTYYQRLRHMVDDKIHARARGPGLRFGEMERDCMIAHG
AASFLKERLMEASDAFRVHICGICGLMTVIAKLNHNQFECKGCDNKIDIY
QIHIPYAAKLLFQELMAMNITPRLYTDRSRDF
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 chain1k83 Chain B Residue 3007 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1k83 Structural Basis of Transcription: Alpha-Amanitin-RNA Polymerase II Cocrystal at 2.8 A Resolution.
Resolution2.8 Å
Binding residue
(original residue number in PDB)		C1163 C1185
Binding residue
(residue number reindexed from 1)		C1021 C1043
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) D837
Catalytic site (residue number reindexed from 1) D726
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:0003729 mRNA 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:0016779 nucleotidyltransferase activity
GO:0032549 ribonucleoside binding
GO:0034062 5'-3' RNA polymerase activity
GO:0046872 metal ion binding
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
Cellular Component
GO:0000428 DNA-directed RNA polymerase complex
GO:0005634 nucleus
GO:0005654 nucleoplasm
GO:0005665 RNA polymerase II, core complex
GO:0005739 mitochondrion
GO:0010494 cytoplasmic stress granule

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1k83, PDBe:1k83, PDBj:1k83
PDBsum1k83
PubMed11805306
UniProtP08518|RPB2_YEAST DNA-directed RNA polymerase II subunit RPB2 (Gene Name=RPB2)

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