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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：P36121 New Search
24PDB entries
24Biological assembly
24chain/assembly records
Main Difference Dimensions in This Set
Different assembly state Different ligand/ion 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
5FJ8 Cryo-EM structure of yeast RNA polymerase III elongation complex at 3. 9 A Deposited 2015-10-06 Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric（20） Consistent with all polymers
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 6 ELECTRON MICROSCOPY
cryo-EM buffer 150MM (NH4)2SO4, 15MM TRIS, 10MM DTT, 5MM MGCL2；pH 7.5；150MM (NH4)2SO4, 15MM TRIS, 10MM DTT, 5MM MGCL2
cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 95, INSTRUMENT- FEI VITROBOT MARK III, METHOD- 2.5 UL OF SAMPLE WAS APPLIED 15 SECONDS WAIT TIME BLOT FOR 9 SECONDS BEFORE PLUNGING,
Resolution 3.90 Å
5FJ9 Cryo-EM structure of yeast apo RNA polymerase III at 4.6 A Deposited 2015-10-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 17 PDB declaration: heptadecameric（17） Consistent with protein count
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 6 ELECTRON MICROSCOPY
cryo-EM buffer 150MM (NH4)2SO4, 15MM TRIS, 10MM DTT；pH 7.5；150MM (NH4)2SO4, 15MM TRIS, 10MM DTT
cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 95, INSTRUMENT- FEI VITROBOT MARK III, METHOD- 2.5 UL OF SAMPLE WAS APPLIED 15 SECONDS WAIT TIME BLOT FOR 9 SECONDS BEFORE PLUNGING,
Resolution 4.60 Å
5FJA Cryo-EM structure of yeast RNA polymerase III at 4.7 A Deposited 2015-10-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 17 PDB declaration: heptadecameric（17） Consistent with protein count
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 6 ELECTRON MICROSCOPY
cryo-EM buffer 150MM (NH4)2SO4, 15MM TRIS, 10MM DTT；pH 7.5；150MM (NH4)2SO4, 15MM TRIS, 10MM DTT
cryo-EM vitrification conditions Cryogen ETHANE；VITRIFICATION 1 -- CRYOGEN- ETHANE, HUMIDITY- 95, INSTRUMENT - FEI VITROBOT MARK III, METHOD- 2.5 UL OF SAMPLE WAS APPLIED 15 SECONDS WAIT TIME BLOT FOR 9 SECONDS BEFORE PLUNGING,
Resolution 4.65 Å
6CNB Yeast RNA polymerase III initial transcribing complex Deposited 2018-03-08 Assembly 1 Insufficient information Heteromer；Protein × 19 PDB declaration: 21-meric（21） Consistent with all polymers
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
6CNC Yeast RNA polymerase III open complex Deposited 2018-03-08 Assembly 1 Insufficient information Heteromer；Protein × 19 PDB declaration: 21-meric（21） Consistent with all polymers
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.10 Å
6CND Yeast RNA polymerase III natural open complex (nOC) Deposited 2018-03-08 Assembly 1 Insufficient information Heteromer；Protein × 19 PDB declaration: 21-meric（21） Consistent with all polymers
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.80 Å
6CNF Yeast RNA polymerase III elongation complex Deposited 2018-03-08 Assembly 1 Insufficient information Heteromer；Protein × 19 PDB declaration: 21-meric（21） Consistent with all polymers
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.50 Å
6EU0 RNA Polymerase III open pre-initiation complex (OC-PIC) Deposited 2017-10-27 Assembly 1 Protein–DNA Heteromer；Protein × 20 PDB declaration: 22-meric（22） Consistent with all polymers
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
6EU1 RNA Polymerase III - open DNA complex (OC-POL3). Deposited 2017-10-27 Assembly 1 Protein–DNA Heteromer；Protein × 17 PDB declaration: nonadecameric（19） Consistent with all polymers
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 6 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
6EU2 Apo RNA Polymerase III - open conformation (oPOL3) Deposited 2017-10-27 Assembly 1 Protein heterocomplex Heteromer；Protein × 17 PDB declaration: heptadecameric（17） Consistent with protein count
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 6 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
6EU3 Apo RNA Polymerase III - closed conformation (cPOL3) Deposited 2017-10-27 Assembly 1 Protein heterocomplex Heteromer；Protein × 17 PDB declaration: heptadecameric（17） Consistent with protein count
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 6 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
6F40 RNA Polymerase III open complex Deposited 2017-11-29 Assembly 1 Protein–DNA Heteromer；Protein × 20 PDB declaration: 22-meric（22） Consistent with all polymers
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.70 Å
6F41 RNA Polymerase III initially transcribing complex Deposited 2017-11-29 Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: 23-meric（23） Consistent with all polymers
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.30 Å
6F42 RNA Polymerase III closed complex CC1. Deposited 2017-11-29 Assembly 1 Protein–DNA Heteromer；Protein × 20 PDB declaration: 22-meric（22） Consistent with all polymers
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.50 Å
6F44 RNA Polymerase III closed complex CC2. Deposited 2017-11-29 Assembly 1 Protein–DNA Heteromer；Protein × 20 PDB declaration: 22-meric（22） Consistent with all polymers
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.20 Å
6TUT Cryo-EM structure of the RNA Polymerase III-Maf1 complex Deposited 2020-01-08 Assembly 1 Protein heterocomplex Heteromer；Protein × 18 PDB declaration: octadecameric（18） Consistent with protein count
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；15 mM HEPES, 150 mM (NH4)2SO4, 5 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE；Blot time 6, blot force 2
Resolution 3.25 Å
7Z0H Structure of yeast RNA Polymerase III-Ty1 integrase complex at 2.6 A (focus subunit AC40). Deposited 2022-02-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 19 PDB declaration: nonadecameric（19） Consistent with protein count
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.60 Å
7Z1L Structure of yeast RNA Polymerase III Pre-Termination Complex (PTC) Deposited 2022-02-24 Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric（20） Consistent with all polymers
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 4QM (3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-pentan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7,12-triol × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
7Z1M Structure of yeast RNA Polymerase III Elongation Complex (EC) Deposited 2022-02-24 Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric（20） Consistent with all polymers
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 4QM (3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-pentan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7,12-triol × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
7Z1O Structure of yeast RNA Polymerase III PTC + NTPs Deposited 2022-02-24 Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric（20） Consistent with all polymers
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 1 1N7 CHAPSO × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.70 Å
7Z2Z Structure of yeast RNA Polymerase III-DNA-Ty1 integrase complex (Pol III-DNA-IN1) at 3.1 A Deposited 2022-03-01 Assembly 1 Other combination Heteromer；Protein × 19 PDB declaration: 22-meric（22） Consistent with all polymers
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 2 4QM (3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-pentan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7,12-triol × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.07 Å
7Z30 Structure of yeast RNA Polymerase III-Ty1 integrase complex at 2.9 A (focus subunit C11 terminal Zn-ribbon in the funnel pore). Deposited 2022-03-01 Assembly 1 Protein heterocomplex Heteromer；Protein × 19 PDB declaration: nonadecameric（19） Consistent with protein count
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 7 MG MAGNESIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
7Z31 Structure of yeast RNA Polymerase III-Ty1 integrase complex at 2.7 A (focus subunit C11, no C11 C-terminal Zn-ribbon in the funnel pore). Deposited 2022-03-01 Assembly 1 Protein heterocomplex Heteromer；Protein × 19 PDB declaration: nonadecameric（19） Consistent with protein count
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 6 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.76 Å
8BWS Structure of yeast RNA Polymerase III elongation complex at 3.3 A Deposited 2022-12-07 Assembly 1 Other combination Heteromer；Protein × 17 PDB declaration: eicosameric（20） Consistent with all polymers
Chain M 1–282（282 aa）
Not recorded ZN ZINC ION × 6 MG MAGNESIUM ION × 1 4QM (3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-10,13-dimethyl-17-[(2R)-pentan-2-yl]-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-3,7,12-triol × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 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.