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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：Q6UX04 New Search
9PDB entries
9Biological assembly
12chain/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
2HQ6 Structure of the Cyclophilin_CeCYP16-Like Domain of the Serologically Defined Colon Cancer Antigen 10 from Homo Sapiens Deposited 2006-07-18 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 8–173（166 aa） Fragment：Cyclophilin_CeCYP16-Like Domain (residues 8-173)
Not recorded IOD IODIDE ION × 2 GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions 298 K；Protein is 20 mg/mL, in buffer containing 50 mM Tris pH 8.0, 500 mM NaCl, 5 mM BME; hanging drop, 1+1; precipitant is 20% Peg 3350, 0.2M NaI (no buffer); cryo was 20% glycerol, temperature 298.0K
Resolution 1.75 Å R-free 0.181
4R3E Structure of the spliceosomal peptidyl-prolyl cis-trans isomerase Cwc27 from Homo sapiens Deposited 2014-08-15 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–178（178 aa） Fragment：N-terminal fragment
Not recorded GOL GLYCEROL × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；291.15 K；0.1 M magnesium formate 15% PEG 3,350, pH 8, VAPOR DIFFUSION, SITTING DROP, temperature 291.15K
Resolution 2.00 Å R-free 0.217
5Z56 cryo-EM structure of a human activated spliceosome (mature Bact) at 5.1 angstrom. Deposited 2018-01-17 Assembly 1 Protein–RNA Heteromer；Protein × 55 PDB declaration: 59-meric（59） Consistent with all polymers
Chain z 1–472（472 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 13 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；20 mM HEPES-KOH, 150 mM NaCl, 1.5 mM MgCl2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.10 Å
5Z58 Cryo-EM structure of a human activated spliceosome (early Bact) at 4.9 angstrom. Deposited 2018-01-17 Assembly 1 Protein–RNA Heteromer；Protein × 42 PDB declaration: 46-meric（46） Consistent with all polymers
Chain z 1–472（472 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；20 mM HEPES-KOH, pH 7.9, 150 mM NaCl, 1.5 mM MgCl2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.90 Å
6FF4 human Bact spliceosome core structure Deposited 2018-01-03 Assembly 1 Protein–RNA Heteromer；Protein × 24 PDB declaration: 28-meric（28） Consistent with all polymers
Chain s 1–472（472 aa）
Not recorded MG MAGNESIUM ION × 4 IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 10 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE；blot with blotting sensor
Resolution 3.40 Å
6FF7 human Bact spliceosome core structure Deposited 2018-01-03 Assembly 1 Protein–RNA Heteromer；Protein × 57 PDB declaration: 61-meric（61） Consistent with all polymers
Chain s 1–472（472 aa）
Not recorded ZN ZINC ION × 11 MG MAGNESIUM ION × 5 IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ADP ADENOSINE-5'-DIPHOSPHATE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.50 Å
6YVH CWC22-CWC27-EIF4A3 Complex Deposited 2020-04-28 Assembly 1 Protein heterocomplex Heteromer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain C 378–431（54 aa）
Chain E 378–431（54 aa）
Chain G 378–431（54 aa）
Chain I 378–431（54 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；292.15 K；20% (w/v) PEG20000, 50 mM MES pH 6.5
Resolution 3.19 Å R-free 0.263
7DVQ Cryo-EM Structure of the Activated Human Minor Spliceosome (minor Bact Complex) Deposited 2021-01-14 Assembly 1 Protein–RNA Heteromer；Protein × 45 PDB declaration: 49-meric（49） Consistent with all polymers
Chain z 1–472（472 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 5 K POTASSIUM ION × 2 G5J 5'-O-[(S)-hydroxy{[(R)-hydroxy{[(S)-hydroxy(methoxy)phosphoryl]oxy}phosphoryl]oxy}phosphoryl]guanosine × 1 ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.89 Å
8I0R The cryo-EM structure of human Bact-I complex Deposited 2023-01-11 Assembly 1 Protein–RNA Heteromer；Protein × 51 PDB declaration: 55-meric（55） Consistent with all polymers
Chain z 1–472（472 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 6 ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 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.