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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：Q9P0J7 New Search
9PDB entries
9Biological assembly
17chain/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
9D9Z Structure of human UBR4-KCMF1-CaM E3 ligase complex (Silencing Factor of the Integrated stress response, SiFI) Deposited 2024-08-21 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 1–381（381 aa）
Chain F 1–381（381 aa）
Not recorded ZN ZINC ION × 20 CA CALCIUM ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9HXW Cryo-EM structure of the human UBR4/KCMF1/CALM1 complex (composite map) Deposited 2025-01-08 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain C 1–331（331 aa）
Chain D 1–331（331 aa）
Not recorded ZN ZINC ION × 20 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9JNI KCMF1 Zn-coordinating domains with RCKG peptide (Sulfonic Cysteine) Deposited 2024-09-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 2–55（54 aa）
Chain A 77–142（66 aa）
Not recorded ZN ZINC ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.1 M HEPES, pH 7.0 1 M Magnesium chloride hexahydrate 20 % w/v PEG 6000 10 % v/v Ethylene glycol
Resolution 1.92 Å R-free 0.229
9NWE E3 ligase UBR4-KCMF1-calmodulin complex Deposited 2025-03-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain E 1–381（381 aa）
Chain F 1–381（381 aa）
Not recorded ZN ZINC ION × 6 CA CALCIUM ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
9QWS Cryo-EM structure of the human UBR4/KCMF1/CALM1 complex (C-term dimer interface focused refinement) Deposited 2025-04-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain C 1–381（381 aa）
Chain D 1–381（381 aa）
Not recorded ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9QWU Cryo-EM structure of the human UBR4/KCMF1/CALM1 complex (CALM1 focused refinement) Deposited 2025-04-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain C 1–381（381 aa）
Chain D 1–381（381 aa）
Not recorded ZN ZINC ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9QWZ Cryo-EM structure of the human UBR4/KCMF1/CALM1 complex (BP focused refinement) Deposited 2025-04-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 1–381（381 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.80 Å
9QX0 Cryo-EM structure of the human UBR4/KCMF1/CALM1 complex (C-term focused refinement) Deposited 2025-04-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain C 1–381（381 aa）
Chain D 1–381（381 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9UPZ KCMF1 Zn-coordinating domains with RTGG peptide Deposited 2025-04-29 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 2–55（54 aa）
Chain A 77–136（60 aa）
Not recorded ZN ZINC ION × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7.5；291 K；0.3 M Magnesium chloride hexahydrate, 0.3M Calcium chloride dihydrate, 12.5% MPD, 12.5% PEG1000, 12.5% PEG 3350
Resolution 1.71 Å R-free 0.236

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.