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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：Q6ZRS2 New Search
10PDB entries
10Biological assembly
10chain/assembly records
Main Difference Dimensions in This Set
Different construct 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
6IGM Cryo-EM Structure of Human SRCAP Complex Deposited 2018-09-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 9 PDB declaration: nonameric（9） Consistent with protein count
Chain H 1–3230（3230 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
8X15 Structure of nucleosome-bound SRCAP-C in the apo state Deposited 2023-11-06 Assembly 1 Protein–DNA Heteromer；Protein × 23 PDB declaration: 25-meric（25） Consistent with all polymers
Chain I 1–3230（3230 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 6 ATP ADENOSINE-5'-TRIPHOSPHATE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
8X19 Structure of nucleosome-bound SRCAP-C in the ADP-BeFx-bound state Deposited 2023-11-06 Assembly 1 Protein–DNA Heteromer；Protein × 23 PDB declaration: 25-meric（25） Consistent with all polymers
Chain I 1–3230（3230 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 7 MG MAGNESIUM ION × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
8X1C Structure of nucleosome-bound SRCAP-C in the ADP-bound state Deposited 2023-11-06 Assembly 1 Protein–DNA Heteromer；Protein × 23 PDB declaration: 25-meric（25） Consistent with all polymers
Chain I 1–3230（3230 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 7 ATP ADENOSINE-5'-TRIPHOSPHATE × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
9CA7 Cryo-EM structure of human SRCAP-nucleosome complex in the fully-engaged state (composite structure) Deposited 2024-06-17 Assembly 1 Protein–DNA Heteromer；Protein × 18 PDB declaration: 20-meric（20） Consistent with all polymers
Chain A 1–3230（3230 aa）
Not recorded AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 2 MG MAGNESIUM ION × 5 ZN ZINC ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.35 Å
9CA8 Cryo-EM structure of human SRCAP-nucleosome complex in the partially-engaged state (composite structure) Deposited 2024-06-17 Assembly 1 Protein–DNA Heteromer；Protein × 18 PDB declaration: 20-meric（20） Consistent with all polymers
Chain A 1–3230（3230 aa）
Not recorded AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 2 MG MAGNESIUM ION × 5 ZN ZINC ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.92 Å
9CA9 Cryo-EM structure of the human SRCAP complex in the unbound state (composite structure) Deposited 2024-06-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 10 PDB declaration: decameric（10） Consistent with protein count
Chain A 1–3230（3230 aa）
Not recorded AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 MG MAGNESIUM ION × 4 ZN ZINC ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.56 Å
9CAA Cryo-EM structure of human SRCAP-nucleosome complex in the pre-engaged state (composite structure) Deposited 2024-06-17 Assembly 1 Protein–DNA Heteromer；Protein × 18 PDB declaration: 20-meric（20） Consistent with all polymers
Chain A 1–3230（3230 aa）
Not recorded AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 1 MG MAGNESIUM ION × 4 ZN ZINC ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.04 Å
9CAB Cryo-EM structure of human SRCAP-nucleosome complex in the encounter state (composite structure) Deposited 2024-06-17 Assembly 1 Protein–DNA Heteromer；Protein × 18 PDB declaration: 20-meric（20） Consistent with all polymers
Chain A 1–3230（3230 aa）
Not recorded AGS PHOSPHOTHIOPHOSPHORIC ACID-ADENYLATE ESTER × 2 MG MAGNESIUM ION × 5 ZN ZINC ION × 2 ADP ADENOSINE-5'-DIPHOSPHATE × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.94 Å
9UBD The Structural Basis of the Recognition of the Histone Variant H2A.Z by the SRCAP Catalytic Subunit Deposited 2025-04-02 Assembly 1 Protein heterocomplex Heteromer；Protein × 10 PDB declaration: decameric（10） Consistent with protein count
Chain C 531–560（30 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289.15 K；0.2 M Potassium thiocyanate 15 % w/v PEG 3,350 pH 7.0
Resolution 2.53 Å R-free 0.288

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.