1K83 image
Deposition Date 2001-10-22
Release Date 2002-02-13
Last Version Date 2023-08-16
Entry Detail
PDB ID:
1K83
Keywords:
TRANSCRIPTION/TOXIN
Title:
Crystal Structure of Yeast RNA Polymerase II Complexed with the Inhibitor Alpha Amanitin
Biological Source:
Source Organism:
SACCHAROMYCES CEREVISIAE (Taxon ID: 4932)
AMANITA PHALLOIDES (Taxon ID: 67723)
Method Details:
Experimental Method:
X-RAY DIFFRACTION
Resolution:
2.80 Å
R-Value Free:
0.28
R-Value Work:
0.22
R-Value Observed:
0.22
Space Group:
I 2 2 2
1K83 validation report
Macromolecular Entities
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-DIRECTED RNA POLYMERASE II LARGEST SUBUNIT
Gene (Uniprot):RPO21
Chain IDs:A
Chain Length:1733
Number of Molecules:1
Biological Source:SACCHAROMYCES CEREVISIAE
UniProt ID:P04050 Pfam ID:PF04997, PF00623, PF04983, PF05000, PF04998, PF04992, PF04990, PF05001 EC:2.7.7.6
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-DIRECTED RNA POLYMERASE II 140KD POLYPEPTIDE
Gene (Uniprot):RPB2
Chain IDs:B
Chain Length:1224
Number of Molecules:1
Biological Source:SACCHAROMYCES CEREVISIAE
UniProt ID:P08518 Pfam ID:PF04563, PF04561, PF04565, PF04566, PF04567, PF00562, PF04560
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-DIRECTED RNA POLYMERASE II 45KD POLYPEPTIDE
Gene (Uniprot):RPB3
Chain IDs:C
Chain Length:318
Number of Molecules:1
Biological Source:SACCHAROMYCES CEREVISIAE
UniProt ID:P16370 Pfam ID:PF01193, PF01000
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-DIRECTED RNA POLYMERASE II 27KD POLYPEPTIDE
Gene (Uniprot):RPB5
Chain IDs:D (auth: E)
Chain Length:215
Number of Molecules:1
Biological Source:SACCHAROMYCES CEREVISIAE
UniProt ID:P20434 Pfam ID:PF03871, PF01191
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-DIRECTED RNA POLYMERASE II 23KD POLYPEPTIDE
Gene (Uniprot):RPO26
Chain IDs:E (auth: F)
Chain Length:155
Number of Molecules:1
Biological Source:SACCHAROMYCES CEREVISIAE
UniProt ID:P20435 Pfam ID:PF01192
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-DIRECTED RNA POLYMERASE II 14.5KD POLYPEPTIDE
Gene (Uniprot):RPB8
Chain IDs:F (auth: H)
Chain Length:146
Number of Molecules:1
Biological Source:SACCHAROMYCES CEREVISIAE
UniProt ID:P20436 Pfam ID:PF03870
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-DIRECTED RNA POLYMERASE II 14.2KD POLYPEPTIDE
Gene (Uniprot):RPB9
Chain IDs:G (auth: I)
Chain Length:122
Number of Molecules:1
Biological Source:SACCHAROMYCES CEREVISIAE
UniProt ID:P27999 Pfam ID:PF02150, PF01096
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-DIRECTED RNA POLYMERASE II 8.3KD POLYPEPTIDE
Gene (Uniprot):RPB10
Chain IDs:H (auth: J)
Chain Length:70
Number of Molecules:1
Biological Source:SACCHAROMYCES CEREVISIAE
UniProt ID:P22139 Pfam ID:PF01194
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-DIRECTED RNA POLYMERASE II 13.6KD POLYPEPTIDE
Gene (Uniprot):RPB11
Chain IDs:I (auth: K)
Chain Length:120
Number of Molecules:1
Biological Source:SACCHAROMYCES CEREVISIAE
UniProt ID:P38902 Pfam ID:PF13656
Protein Blast
Polymer Type:polypeptide(L)
Molecule:DNA-DIRECTED RNA POLYMERASE II 7.7KD POLYPEPTIDE
Gene (Uniprot):RPC10
Chain IDs:J (auth: L)
Chain Length:70
Number of Molecules:1
Biological Source:SACCHAROMYCES CEREVISIAE
UniProt ID:P40422 Pfam ID:PF03604
Protein Blast
Polymer Type:polypeptide(L)
Molecule:ALPHA AMANITIN
Chain IDs:K (auth: M)
Chain Length:8
Number of Molecules:1
Biological Source:AMANITA PHALLOIDES
UniProt ID:P85421
Modified Residue
Compound ID Chain ID Parent Comp ID Details 2D Image
CSX K CYS POST-TRANSLATIONAL MODIFICATION
HYP K PRO POST-TRANSLATIONAL MODIFICATION
ILX K ILE POST-TRANSLATIONAL MODIFICATION
TRX K TRP POST-TRANSLATIONAL MODIFICATION
Ligand Molecules
MN
ZN
Peptide-like Molecules
PRD_000201
Primary Citation
Structural Basis of Transcription: Alpha-Amanitin-RNA Polymerase II Cocrystal at 2.8 A Resolution.
Proc.Natl.Acad.Sci.USA 99 1218 ? (2002)
PMID: 11805306 DOI: 10.1073/PNAS.251664698

Abstact

The structure of RNA polymerase II in a complex with the inhibitor alpha-amanitin has been determined by x-ray crystallography. The structure of the complex indicates the likely basis of inhibition and gives unexpected insight into the transcription mechanism.

Legend

Protein

Chemical

Disease

Primary Citation of related structures
1I50
2VUM
3CQZ