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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：O75971 New Search
5PDB entries
5Biological assembly
5chain/assembly records
Main Difference Dimensions in This Set
Different assembly state Different ligand/ion 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
7ZWC Structure of SNAPc:TBP-TFIIA-TFIIB sub-complex bound to U5 snRNA promoter Deposited 2022-05-19 Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric（10） Consistent with all polymers
Chain d 1–98（98 aa）
Not recorded ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
7ZWD Structure of SNAPc containing Pol II pre-initiation complex bound to U5 snRNA promoter (CC) Deposited 2022-05-19 Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric（24） Consistent with all polymers
Chain d 1–98（98 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7ZX7 Structure of SNAPc containing Pol II pre-initiation complex bound to U1 snRNA promoter (CC) Deposited 2022-05-20 Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric（24） Consistent with all polymers
Chain d 1–98（98 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
7ZX8 Structure of SNAPc containing Pol II pre-initiation complex bound to U1 snRNA promoter (OC) Deposited 2022-05-20 Assembly 1 Protein–DNA Heteromer；Protein × 22 PDB declaration: 24-meric（24） Consistent with all polymers
Chain d 1–98（98 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
7ZXE Structure of SNAPc containing Pol II pre-initiation complex bound to U1 snRNA promoter (OC) Deposited 2022-05-20 Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric（10） Consistent with all polymers
Chain d 1–98（98 aa）
Not recorded ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 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.