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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：P36070 New Search
15PDB entries
15Biological assembly
16chain/assembly records
Main Difference Dimensions in This Set
Different assembly state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
3TJ1 Crystal Structure of RNA Polymerase I Transcription Initiation Factor Rrn3 Deposited 2011-08-23 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–627（627 aa）
Chain B 1–627（627 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；293 K；14% PEG 3350, 250 mM sodium-potassium-tartrate, pH 7, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.85 Å R-free 0.242
5G5L RNA polymerase I-Rrn3 complex at 4.8 A resolution Deposited 2016-05-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 15 PDB declaration: pentadecameric（15） Consistent with protein count
Chain O 1–627（627 aa）
Not recorded ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer 150MM NACL, 5MM HEPES, 1MM MGCL2, 0.01 MM ZNCL2, 5 MM DTT；pH 7.8；150MM NACL, 5MM HEPES, 1MM MGCL2, 0.01 MM ZNCL2, 5 MM DTT
cryo-EM vitrification conditions Cryogen ETHANE；VITROBOT MARK IV, METHOD- 4.5 MICROLITERS OF SAMPLE WAS APPLIED TO GLOW- DISCHARGED QUANTIFOIL R 2- 1 HOLEY CARBON GRIDS, WHICH WERE THEN BLOTTED FOR 8.5S AND PLUNGE- FROZEN IN LIQUID ETHANE.
Resolution 4.80 Å
5N5Y Cryo-EM structure of RNA polymerase I in complex with Rrn3 and Core Factor (Orientation III) Deposited 2017-02-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 18 PDB declaration: octadecameric（18） Consistent with protein count
Chain O 1–627（627 aa）
Not recorded ZN ZINC ION × 8 SO4 SULFATE ION × 5 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.70 Å
5N5Z Cryo-EM structure of RNA polymerase I in complex with Rrn3 and Core Factor (Orientation II) Deposited 2017-02-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 18 PDB declaration: octadecameric（18） Consistent with protein count
Chain O 1–627（627 aa）
Not recorded ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.70 Å
5N60 Cryo-EM structure of RNA polymerase I in complex with Rrn3 and Core Factor (Orientation I) Deposited 2017-02-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 18 PDB declaration: octadecameric（18） Consistent with protein count
Chain O 1–627（627 aa）
Not recorded ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.70 Å
5N61 RNA polymerase I initially transcribing complex Deposited 2017-02-14 Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: 21-meric（21） Consistent with all polymers
Chain O 1–627（627 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 SO4 SULFATE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
5OA1 RNA polymerase I pre-initiation complex Deposited 2017-06-20 Assembly 1 Protein–DNA Heteromer；Protein × 32 PDB declaration: 34-meric（34） Consistent with all polymers
Chain O 1–627（627 aa）
Not recorded ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.40 Å
6RQH RNA Polymerase I Closed Conformation 1 (CC1) Deposited 2019-05-15 Assembly 1 Protein–DNA Heteromer；Protein × 18 PDB declaration: eicosameric（20） Consistent with all polymers
Chain O 1–627（627 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
6RQL RNA Polymerase I Closed Conformation 2 (CC2) Deposited 2019-05-16 Assembly 1 Protein–DNA Heteromer；Protein × 18 PDB declaration: eicosameric（20） Consistent with all polymers
Chain O 1–627（627 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
6RQT RNA Polymerase I-tWH-Rrn3-DNA Deposited 2019-05-16 Assembly 1 Protein–DNA Heteromer；Protein × 15 PDB declaration: heptadecameric（17） Consistent with all polymers
Chain O 1–627（627 aa）
Not recorded ZN ZINC ION × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
6RRD RNA Polymerase I Pre-initiation complex DNA opening intermediate 1 Deposited 2019-05-17 Assembly 1 Protein–DNA Heteromer；Protein × 18 PDB declaration: eicosameric（20） Consistent with all polymers
Chain O 1–627（627 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
6RUI RNA Polymerase I Pre-initiation complex DNA opening intermediate 2 Deposited 2019-05-28 Assembly 1 Protein–DNA Heteromer；Protein × 18 PDB declaration: eicosameric（20） Consistent with all polymers
Chain O 1–627（627 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
6RUO RNA Polymerase I Open Complex conformation 1 Deposited 2019-05-28 Assembly 1 Protein–DNA Heteromer；Protein × 18 PDB declaration: eicosameric（20） Consistent with all polymers
Chain O 1–627（627 aa）
Not recorded ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
6RWE RNA Polymerase I Open Complex conformation 2 Deposited 2019-06-04 Assembly 1 Protein–DNA Heteromer；Protein × 18 PDB declaration: eicosameric（20） Consistent with all polymers
Chain O 1–627（627 aa）
Not recorded ZN ZINC ION × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
6TPS early intermediate RNA Polymerase I Pre-initiation complex - eiPIC Deposited 2019-12-14 Assembly 1 Protein–DNA Heteromer；Protein × 18 PDB declaration: 22-meric（22） Consistent with all polymers
Chain O 1–627（627 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.54 Å

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.