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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：Q93077 New Search
26PDB entries
26Biological assembly
53chain/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
6C0W Cryo-EM structure of human kinetochore protein CENP-N with the centromeric nucleosome containing CENP-A Deposited 2018-01-02 Assembly 1 Protein–DNA Heteromer；Protein × 9 PDB declaration: undecameric（11） Consistent with all polymers
Chain C 1–130（130 aa）
Chain G 1–130（130 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
6MUO CENP-A nucleosome bound by two copies of CENP-C(CD) and one copy CENP-N(NT) Deposited 2018-10-23 Assembly 1 Protein–DNA Heteromer；Protein × 11 PDB declaration: tridecameric（13） Consistent with all polymers
Chain C 14–118（105 aa）
Chain G 14–118（105 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；10 mM HEPES, 50 mN NaCl, 1 mM EDTA, 1mM DTT
cryo-EM vitrification conditions Cryogen ETHANE；Blot for 8 seconds before plunging
Resolution 3.60 Å
6MUP CENP-A nucleosome bound by two copies of CENP-C(CD) and two copies CENP-N(NT) Deposited 2018-10-23 Assembly 1 Protein–DNA Heteromer；Protein × 12 PDB declaration: tetradecameric（14） Consistent with all polymers
Chain C 14–118（105 aa）
Chain G 14–118（105 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；10 mM HEPES, 50 mN NaCl, 1 mM EDTA, 1mM DTT
cryo-EM vitrification conditions Cryogen ETHANE；Blot for 8 seconds before plunging
Resolution 3.50 Å
6UPK Structure of FACT_subnucleosome complex 1 Deposited 2019-10-17 Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric（10） Consistent with all polymers
Chain C 1–130（130 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.90 Å
6UPL Structure of FACT_subnucleosome complex 2 Deposited 2019-10-17 Assembly 1 Protein–DNA Heteromer；Protein × 10 PDB declaration: dodecameric（12） Consistent with all polymers
Chain C 1–130（130 aa）
Chain K 1–130（130 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.40 Å
7A08 CryoEM Structure of cGAS Nucleosome complex Deposited 2020-08-07 Assembly 1 Protein–DNA Heteromer；Protein × 9 PDB declaration: undecameric（11） Consistent with all polymers
Chain b 2–130（129 aa）
Chain f 2–130（129 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.11 Å
7PII Structure of the human CCAN CENP-A alpha-satellite complex Deposited 2021-08-19 Assembly 1 Protein–DNA Heteromer；Protein × 10 PDB declaration: dodecameric（12） Consistent with all polymers
Chain C 1–130（130 aa）
Chain G 1–130（130 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.68 Å
7R5R Structure of the human CCAN CENP-A alpha-satellite complex Deposited 2022-02-11 Assembly 1 Protein–DNA Heteromer；Protein × 10 PDB declaration: dodecameric（12） Consistent with all polymers
Chain C 1–130（130 aa）
Chain G 1–130（130 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.44 Å
7U46 Cryo-EM structure of CENP-A nucleosome (palindromic alpha satellite DNA) in complex with CENP-N Deposited 2022-02-28 Assembly 1 Protein–DNA Heteromer；Protein × 9 PDB declaration: undecameric（11） Consistent with all polymers
Chain C 1–130（130 aa）
Chain G 1–130（130 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.68 Å
7U47 CryoEM structure of CENP-N promoted nucleosome stacks with CENP-A and palindromic alpha satellite DNA sequence Deposited 2022-02-28 Assembly 1 Protein–DNA Heteromer；Protein × 18 PDB declaration: 22-meric（22） Consistent with all polymers
Chain C 1–130（130 aa）
Chain G 1–130（130 aa）
Chain N 1–130（130 aa）
Chain R 1–130（130 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 7.50 Å
7U4D CryoEM structure of CENP-N promoted nucleosome stacks with CENP-A and 601 DNA sequence Deposited 2022-02-28 Assembly 1 Protein–DNA Heteromer；Protein × 18 PDB declaration: 22-meric（22） Consistent with all polymers
Chain C 1–130（130 aa）
Chain G 1–130（130 aa）
Chain N 1–130（130 aa）
Chain R 1–130（130 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.10 Å
7Y8R The nucleosome-bound human PBAF complex Deposited 2022-06-24 Assembly 1 Protein–DNA Heteromer；Protein × 25 PDB declaration: 27-meric（27） Consistent with all polymers
Chain C 2–130（129 aa）
Chain G 2–130（129 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 BEF BERYLLIUM TRIFLUORIDE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.40 Å
7YWX Structure of the human CCAN CENP-A alpha-satellite complex Deposited 2022-02-14 Assembly 1 Protein–DNA Heteromer；Protein × 25 PDB declaration: 27-meric（27） Consistent with all polymers
Chain C 1–130（130 aa）
Chain G 1–130（130 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 12.00 Å
7YYH Structure of the human CCANdeltaT CENP-A alpha-satellite complex Deposited 2022-02-17 Assembly 1 Protein–DNA Heteromer；Protein × 21 PDB declaration: 23-meric（23） Consistent with all polymers
Chain C 1–130（130 aa）
Chain G 1–130（130 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 8.90 Å
8OO7 CryoEM Structure INO80core Hexasome complex composite model state1 Deposited 2023-04-04 Assembly 1 Protein–DNA Heteromer；Protein × 16 PDB declaration: 18-meric（18） Consistent with all polymers
Chain O 2–130（129 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 7 ALF TETRAFLUOROALUMINATE ION × 1 MG MAGNESIUM ION × 2 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；30mM HEPES, pH7.5 50mM NaCl 0.25mM CaCl2 0.25mM DTT 2mM ADP 3.3mM MgCl2 10mM NaF 2mM AlCl3 0.05% octyl-beta-glucoside
cryo-EM vitrification conditions Cryogen ETHANE；wait time of 5s, blot force at 3, and a blot time of 2s with Whatman blotting paper (Cytiva, CAT No. 10311807)
Resolution 2.80 Å
8OOA CryoEM Structure INO80core Hexasome complex Hexasome refinement state1 Deposited 2023-04-04 Assembly 1 Protein–DNA Heteromer；Protein × 6 PDB declaration: octameric（8） Consistent with all polymers
Chain O 2–130（129 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；30mM HEPES, pH7.5 50mM NaCl 0.25mM CaCl2 0.25mM DTT 2mM ADP 3.3mM MgCl2 10mM NaF 2mM AlCl3 0.05% octyl-beta-glucoside
cryo-EM vitrification conditions Cryogen ETHANE；wait time of 5s, blot force at 3, and a blot time of 2s with Whatman blotting paper (Cytiva, CAT No. 10311807)
Resolution 3.18 Å
8OOP CryoEM Structure INO80core Hexasome complex composite model state2 Deposited 2023-04-05 Assembly 1 Protein–DNA Heteromer；Protein × 16 PDB declaration: 18-meric（18） Consistent with all polymers
Chain O 2–130（129 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 7 MG MAGNESIUM ION × 2 ALF TETRAFLUOROALUMINATE ION × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；30mM HEPES, pH7.5 50mM NaCl 0.25mM CaCl2 0.25mM DTT 2mM ADP 3.3mM MgCl2 10mM NaF 2mM AlCl3 0.05% octyl-beta-glucoside
cryo-EM vitrification conditions Cryogen ETHANE；wait time of 5s, blot force at 3, and a blot time of 2s with Whatman blotting paper (Cytiva, CAT No. 10311807)
Resolution 2.70 Å
8OOS CryoEM Structure INO80core Hexasome complex ATPase-hexasome refinement state 2 Deposited 2023-04-05 Assembly 1 Protein–DNA Heteromer；Protein × 7 PDB declaration: nonameric（9） Consistent with all polymers
Chain O 2–130（129 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 1 MG MAGNESIUM ION × 1 ALF TETRAFLUOROALUMINATE ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5；30mM HEPES, pH7.5 50mM NaCl 0.25mM CaCl2 0.25mM DTT 2mM ADP 3.3mM MgCl2 10mM NaF 2mM AlCl3 0.05% octyl-beta-glucoside
cryo-EM vitrification conditions Cryogen ETHANE；wait time of 5s, blot force at 3, and a blot time of 2s with Whatman blotting paper (Cytiva, CAT No. 10311807)
Resolution 3.29 Å
8OX0 Structure of apo telomeric nucleosome Deposited 2023-04-28 Assembly 1 Protein–DNA Heteromer；Protein × 8 PDB declaration: decameric（10） Consistent with all polymers
Chain C 1–130（130 aa）
Chain G 1–130（130 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8；25 mM HEPES-KOH pH 8.0, 150 mM KCl, 1 mM MgCl2, 1% glycerol, 0.01% Igepal CA-630,1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE；Blot Force: -15 Blot Time: 2.5 s
Resolution 2.52 Å
8OX1 Structure of TRF1core in complex with telomeric nucleosome Deposited 2023-04-28 Assembly 1 Protein–DNA Heteromer；Protein × 10 PDB declaration: dodecameric（12） Consistent with all polymers
Chain C 1–130（130 aa）
Chain G 1–130（130 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8；25 mM HEPES-KOH pH 8.0, 150 mM KCl, 1 mM MgCl2, 1% glycerol, 0.01% Igepal CA-630, 1 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE；Blot Force: -15 Blot Time: 2.5 s
Resolution 2.70 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 A 1–130（130 aa）
Chain E 1–130（130 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 A 1–130（130 aa）
Chain E 1–130（130 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 A 1–130（130 aa）
Chain E 1–130（130 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
9EOZ Human OGG1 bound to a nucleosome core particle with 8-oxodGuo lesion at SHL6.0 Deposited 2024-03-16 Assembly 1 Protein–DNA Heteromer；Protein × 9 PDB declaration: 11-meric（11） Consistent with all polymers
Chain G 2–130（129 aa）
Chain L 2–130（129 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9TAX Structure of the human inner kinetochore CCAN bound to a mono-CENP-A nucleosome Deposited 2025-11-18 Assembly 1 Protein–DNA Heteromer；Protein × 25 PDB declaration: 27-meric（27） Consistent with all polymers
Chain e 1–130（130 aa）
Chain i 1–130（130 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.50 Å
9TAY Structure of the human inner kinetochore CCAN bound to a di-CENP-A nucleosome Deposited 2025-11-18 Assembly 1 Insufficient information Heteromer；Protein × 35 PDB declaration: 37-meric（37） Consistent with all polymers
Chain C 1–130（130 aa）
Chain G 1–130（130 aa）
Chain e 1–130（130 aa）
Chain i 1–130（130 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 15.50 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.