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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：P46678 New Search
10PDB entries
10Biological assembly
14chain/assembly records
Main Difference Dimensions in This Set
Different construct 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
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 S 1–316（316 aa）
Chain S 360–594（235 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 S 1–316（316 aa）
Chain S 360–594（235 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 S 1–316（316 aa）
Chain S 360–594（235 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 S 1–316（316 aa）
Chain S 360–594（235 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 V 1–594（594 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
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 W 1–594（594 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 W 1–594（594 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 W 1–594（594 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 W 1–594（594 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
7Q5B Cryo-EM structure of Ty3 retrotransposon targeting a TFIIIB-bound tRNA gene Deposited 2021-11-03 Assembly 1 Protein–DNA Heteromer；Protein × 7 PDB declaration: tridecameric（13） Consistent with all polymers
Chain X 1–594（594 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.98 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.