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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：P23284 New Search
8PDB entries
9Biological assembly
10chain/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
1CYN CYCLOPHILIN B COMPLEXED WITH [D-(CHOLINYLESTER)SER8]-CYCLOSPORIN Deposited 1995-05-22 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 31–208（178 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 1.85 Å
3ICH Crystal structure of cyclophilin B at 1.2 A resolution Deposited 2009-07-17 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 34–216（183 aa） Fragment：UNP residues 34-216
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；295 K；25% w/v PEG 1500, 0.1M MMT buffer, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 1.20 Å R-free 0.162
3ICI Crystal structure of cyclophilin B in complex with calmegin fragment Deposited 2009-07-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 34–216（183 aa） Fragment：UNP residues 34-216
Not recorded ZN ZINC ION × 1 MES 2-(N-MORPHOLINO)-ETHANESULFONIC ACID × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；295 K；22% w/v PEG 8000, 10mM ZnCl2, 0.1M Tris buffer, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 1.70 Å R-free 0.239
3ICI Crystal structure of cyclophilin B in complex with calmegin fragment Deposited 2009-07-17 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 34–216（183 aa） Fragment：UNP residues 34-216
Not recorded ZN ZINC ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；295 K；22% w/v PEG 8000, 10mM ZnCl2, 0.1M Tris buffer, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Resolution 1.70 Å R-free 0.239
8K0F Human collagen prolyl processing enzyme complex, P3H1/CRTAP/PPIB heterotrimer, in its apo state Deposited 2023-07-08 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 1–216（216 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 FE FE (III) ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.37 Å
8K0I Human collagen prolyl processing enzyme complex, P3H1/CRTAP/PPIB heterotrimer, in its dual-ternary state Deposited 2023-07-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain C 1–216（216 aa）
Chain c 1–216（216 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.62 Å
8K0M Human collagen prolyl processing enzyme complex, P3H1/CRTAP/PPIB heterotrimer, bound to 2-oxoglutarate Deposited 2023-07-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 1–216（216 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 FE FE (III) ION × 1 AKG 2-OXOGLUTARIC ACID × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.17 Å
8K17 Human collagen prolyl processing enzyme complex, P3H1/CRTAP/PPIB heterotrimer, bound to collagen alpha-1(I) chain Deposited 2023-07-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 1–216（216 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 FE FE (III) ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.18 Å
8KC9 Human collagen prolyl processing enzyme complex, P3H1/CRTAP/PPIB heterotrimer, bound to cyclosporin A Deposited 2023-08-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 1–216（216 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 FE FE (III) ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.75 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.