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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：Q9UJX3 New Search
21PDB entries
22Biological assembly
44chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification 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
3FFL Crystal Structure of the N-terminal Domain of Anaphase-Promoting Complex Subunit 7 Deposited 2008-12-03 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–147（147 aa） Fragment：N-terminal domain
Chain C 1–147（147 aa） Fragment：N-terminal domain
Mutation：M49L, M128L, M134V, M160L Mutation：M49L, M128L, M134V, M160L No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；294 K；0.2M sodium/potassium tartrate, 15% PEG 3350, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 294K
Resolution 2.50 Å R-free 0.240
3FFL Crystal Structure of the N-terminal Domain of Anaphase-Promoting Complex Subunit 7 Deposited 2008-12-03 Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–147（147 aa） Fragment：N-terminal domain
Chain D 1–147（147 aa） Fragment：N-terminal domain
Mutation：M49L, M128L, M134V, M160L Mutation：M49L, M128L, M134V, M160L No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；294 K；0.2M sodium/potassium tartrate, 15% PEG 3350, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 294K
Resolution 2.50 Å R-free 0.240
4UI9 Atomic structure of the human Anaphase-Promoting Complex Deposited 2015-03-27 Assembly 1 Protein heterocomplex Heteromer；Protein × 23 PDB declaration: 23-meric（23） Consistent with protein count
Chain X 35–599（565 aa）
Chain Y 35–599（565 aa）
Not recorded ZN ZINC ION × 5 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
5A31 Structure of the human APC-Cdh1-Hsl1-UbcH10 complex. Deposited 2015-05-26 Assembly 1 Protein heterocomplex Heteromer；Protein × 24 PDB declaration: 24-meric（24） Consistent with protein count
Chain X 1–599（599 aa）
Chain Y 1–599（599 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.30 Å
5G04 Structure of the human APC-Cdc20-Hsl1 complex Deposited 2016-03-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 21 PDB declaration: 21-meric（21） Consistent with protein count
Chain X 1–599（599 aa）
Chain Y 1–599（599 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer 20MM HEPES, 150MM NACL, 0. 5MM TCEP；pH 8；20MM HEPES, 150MM NACL, 0. 5MM TCEP
cryo-EM vitrification conditions Cryogen ETHANE；LIQUID ETHANE
Resolution 3.90 Å
5G05 Cryo-EM structure of combined apo phosphorylated APC Deposited 2016-03-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 20 PDB declaration: eicosameric（20） Consistent with protein count
Chain X 1–599（599 aa）
Chain Y 1–599（599 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer 20MM HEPES, 150MM NACL, 0. 5MM TCEP；pH 8；20MM HEPES, 150MM NACL, 0. 5MM TCEP
cryo-EM vitrification conditions Cryogen ETHANE；LIQUID ETHANE
Resolution 3.40 Å
5KHR Model of human Anaphase-promoting complex/Cyclosome complex (APC15 deletion mutant) in complex with the E2 UBE2C/UBCH10 poised for ubiquitin ligation to substrate (APC/C-CDC20-substrate-UBE2C) Deposited 2016-06-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 21 PDB declaration: 21-meric（21） Consistent with protein count
Chain X 35–599（565 aa）
Chain Y 35–599（565 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.10 Å
5KHU Model of human Anaphase-promoting complex/Cyclosome (APC15 deletion mutant), in complex with the Mitotic checkpoint complex (APC/C-CDC20-MCC) based on cryo EM data at 4.8 Angstrom resolution Deposited 2016-06-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 23 PDB declaration: 23-meric（23） Consistent with protein count
Chain X 35–599（565 aa）
Chain Y 35–599（565 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.80 Å
5L9T Model of human Anaphase-promoting complex/Cyclosome (APC/C-CDH1) with E2 UBE2S poised for polyubiquitination where UBE2S, APC2, and APC11 are modeled into low resolution density Deposited 2016-06-11 Assembly 1 Insufficient information Heteromer；Protein × 22 PDB declaration: 22-meric（22） Consistent with protein count
Chain X 35–599（565 aa）
Chain Y 35–599（565 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.40 Å
5L9U Model of human Anaphase-promoting complex/Cyclosome (APC/C-CDH1) with a cross linked Ubiquitin variant-substrate-UBE2C (UBCH10) complex representing key features of multiubiquitination Deposited 2016-06-11 Assembly 1 Insufficient information Heteromer；Protein × 22 PDB declaration: 22-meric（22） Consistent with protein count
Chain X 35–599（565 aa）
Chain Y 35–599（565 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 6.40 Å
5LCW Cryo-EM structure of the Anaphase-promoting complex/Cyclosome, in complex with the Mitotic checkpoint complex (APC/C-MCC) at 4.2 angstrom resolution Deposited 2016-06-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 23 PDB declaration: 23-meric（23） Consistent with protein count
Chain X 1–599（599 aa）
Chain Y 1–599（599 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.20 Å
6Q6G Cryo-EM structure of the APC/C-Cdc20-Cdk2-cyclinA2-Cks2 complex, the D1 box class Deposited 2018-12-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 21 PDB declaration: 21-meric（21） Consistent with protein count
Chain Y 1–599（599 aa）
Chain Z 1–599（599 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8；20mM Hepes, 150mM NaCl, 0.5mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
6Q6H Cryo-EM structure of the APC/C-Cdc20-Cdk2-cyclinA2-Cks2 complex, the D2 box class Deposited 2018-12-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 21 PDB declaration: 21-meric（21） Consistent with protein count
Chain Y 1–599（599 aa）
Chain Z 1–599（599 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8；20mM Hepes, 150mM NaCl, 0.5mM TCEP
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
6TLJ Cryo-EM structure of the Anaphase-promoting complex/Cyclosome, in complex with the Mitotic checkpoint complex (APC/C-MCC) at 3.8 angstrom resolution Deposited 2019-12-02 Assembly 1 Protein heterocomplex Heteromer；Protein × 23 PDB declaration: 23-meric（23） Consistent with protein count
Chain X 1–599（599 aa）
Chain Y 1–599（599 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.80 Å
6TM5 Cryo-EM structure of the Anaphase-promoting complex/Cyclosome, in complex with the Nek2A substrate at 3.9 angstrom resolution Deposited 2019-12-03 Assembly 1 Protein heterocomplex Heteromer；Protein × 22 PDB declaration: 22-meric（22） Consistent with protein count
Chain X 1–599（599 aa）
Chain Y 1–599（599 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.90 Å
6TNT SUMOylated apoAPC/C with repositioned APC2 WHB domain Deposited 2019-12-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 20 PDB declaration: eicosameric（20） Consistent with protein count
Chain X 1–599（599 aa）
Chain Y 1–599（599 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.78 Å
8PKP Cryo-EM structure of the apo Anaphase-promoting complex/cyclosome (APC/C) at 3.2 Angstrom resolution Deposited 2023-06-27 Assembly 1 Protein heterocomplex Heteromer；Protein × 19 PDB declaration: 19-meric（19） Consistent with protein count
Chain Y 1–565（565 aa）
Chain Z 1–565（565 aa）
Not recorded ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
8TAR APC/C-CDH1-UBE2C-Ubiquitin-CyclinB-NTD Deposited 2023-06-27 Assembly 1 Protein heterocomplex Heteromer；Protein × 22 PDB declaration: 22-meric（22） Consistent with protein count
Chain Y 35–599（565 aa）
Chain Z 35–599（565 aa）
Not recorded ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
8TAU APC/C-CDH1-UBE2C-UBE2S-Ubiquitin-CyclinB Deposited 2023-06-27 Assembly 1 Protein heterocomplex Heteromer；Protein × 23 PDB declaration: 23-meric（23） Consistent with protein count
Chain Y 35–599（565 aa）
Chain Z 35–599（565 aa）
Not recorded ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
9GAW High-resolution structure of the Anaphase-promoting complex/cyclosome (APC/C) bound to co-activator Cdh1 Deposited 2024-07-29 Assembly 1 Protein heterocomplex Heteromer；Protein × 21 PDB declaration: 21-meric（21） Consistent with protein count
Chain Y 1–599（599 aa）
Chain Z 1–599（599 aa）
Not recorded ZN ZINC ION × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
9N9R Model of APC/C-CDC20-UBE2C from H2A/H2B-bound complex Deposited 2025-02-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 21 PDB declaration: 21-meric（21） Consistent with protein count
Chain Y 35–599（565 aa）
Chain Z 35–599（565 aa）
Not recorded ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.90 Å
9N9S Model of APC/C-CDC20-UBE2C from H3/H4-bound complex Deposited 2025-02-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 21 PDB declaration: 21-meric（21） Consistent with protein count
Chain Y 35–599（565 aa）
Chain Z 35–599（565 aa）
Not recorded ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.90 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.