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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：P61326 New Search
14PDB entries
20Biological assembly
26chain/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
1P27 Crystal Structure of the Human Y14/Magoh complex Deposited 2003-04-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 2–145（144 aa）
Chain C 2–145（144 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å R-free 0.268
1P27 Crystal Structure of the Human Y14/Magoh complex Deposited 2003-04-14 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 2–145（144 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å R-free 0.268
1P27 Crystal Structure of the Human Y14/Magoh complex Deposited 2003-04-14 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 2–145（144 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.00 Å R-free 0.268
2HYI Structure of the human exon junction complex with a trapped DEAD-box helicase bound to RNA Deposited 2006-08-06 Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: pentameric（5） Consistent with all polymers
Chain A 1–146（146 aa）
Not recorded MG MAGNESIUM ION × 1 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 8.8；297 K；7% PEG3350 50 mM Tris 200 mM NaAcetate, pH 8.8, VAPOR DIFFUSION, temperature 297K
Resolution 2.30 Å R-free 0.231
2HYI Structure of the human exon junction complex with a trapped DEAD-box helicase bound to RNA Deposited 2006-08-06 Assembly 2 Protein–RNA Heteromer；Protein × 4 PDB declaration: pentameric（5） Consistent with all polymers
Chain G 1–146（146 aa）
Not recorded MG MAGNESIUM ION × 1 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 8.8；297 K；7% PEG3350 50 mM Tris 200 mM NaAcetate, pH 8.8, VAPOR DIFFUSION, temperature 297K
Resolution 2.30 Å R-free 0.231
2J0Q The crystal structure of the Exon Junction Complex at 3.2 A resolution Deposited 2006-08-04 Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: pentameric（5） Consistent with all polymers
Chain C 1–146（146 aa）
Not recorded MG MAGNESIUM ION × 1 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions 10% PEG 4000, 200 MM AMMONIUM ACETATE, 10 MM CACL2, NA CACODYLATE PH 6.5 .
Resolution 3.20 Å R-free 0.277
2J0Q The crystal structure of the Exon Junction Complex at 3.2 A resolution Deposited 2006-08-04 Assembly 2 Protein–RNA Heteromer；Protein × 4 PDB declaration: pentameric（5） Consistent with all polymers
Chain F 1–146（146 aa）
Not recorded MG MAGNESIUM ION × 1 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions 10% PEG 4000, 200 MM AMMONIUM ACETATE, 10 MM CACL2, NA CACODYLATE PH 6.5 .
Resolution 3.20 Å R-free 0.277
2J0S The crystal structure of the Exon Junction Complex at 2.2 A resolution Deposited 2006-08-04 Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: pentameric（5） Consistent with all polymers
Chain C 1–146（146 aa）
Not recorded MG MAGNESIUM ION × 1 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions 8% PEG 6000, 100 MM MGCL2, 100 MM MES PH 6.0
Resolution 2.21 Å R-free 0.216
2XB2 Crystal structure of the core Mago-Y14-eIF4AIII-Barentsz-UPF3b assembly shows how the EJC is bridged to the NMD machinery Deposited 2010-04-03 Assembly 1 Protein–RNA Heteromer；Protein × 5 PDB declaration: hexameric（6） Consistent with all polymers
Chain Y 1–146（146 aa）
Not recorded MG MAGNESIUM ION × 1 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；0.1 M NA-CACODYLATE PH 6.5, 0.2M MG-ACETATE 4H2O, 10 % PEG 8000
Resolution 3.40 Å R-free 0.260
2XB2 Crystal structure of the core Mago-Y14-eIF4AIII-Barentsz-UPF3b assembly shows how the EJC is bridged to the NMD machinery Deposited 2010-04-03 Assembly 2 Protein–RNA Heteromer；Protein × 5 PDB declaration: hexameric（6） Consistent with all polymers
Chain C 1–146（146 aa）
Not recorded MG MAGNESIUM ION × 1 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6.5；0.1 M NA-CACODYLATE PH 6.5, 0.2M MG-ACETATE 4H2O, 10 % PEG 8000
Resolution 3.40 Å R-free 0.260
3EX7 The crystal structure of EJC in its transition state Deposited 2008-10-16 Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: pentameric（5） Consistent with all polymers
Chain A 1–146（146 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 1 AF3 ALUMINUM FLUORIDE × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.8；277 K；7% PEG 3350, 50mM Tris HCl pH 8.8, 200mM NaAcetate, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.30 Å R-free 0.251
3EX7 The crystal structure of EJC in its transition state Deposited 2008-10-16 Assembly 2 Protein–RNA Heteromer；Protein × 4 PDB declaration: pentameric（5） Consistent with all polymers
Chain E 1–146（146 aa）
Not recorded ADP ADENOSINE-5'-DIPHOSPHATE × 1 AF3 ALUMINUM FLUORIDE × 1 MG MAGNESIUM ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.8；277 K；7% PEG 3350, 50mM Tris HCl pH 8.8, 200mM NaAcetate, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Resolution 2.30 Å R-free 0.251
7A5P Human C Complex Spliceosome - Medium-resolution PERIPHERY Deposited 2020-08-21 Assembly 1 Protein–RNA Heteromer；Protein × 44 PDB declaration: 48-meric（48） Consistent with all polymers
Chain v 1–146（146 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.00 Å
7W59 The cryo-EM structure of human pre-C*-I complex Deposited 2021-11-29 Assembly 1 Protein–RNA Heteromer；Protein × 45 PDB declaration: 50-meric（50） Consistent with all polymers
Chain v 1–146（146 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 9 ZN ZINC ION × 6 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
7W5A The cryo-EM structure of human pre-C*-II complex Deposited 2021-11-29 Assembly 1 Protein–RNA Heteromer；Protein × 49 PDB declaration: 54-meric（54） Consistent with all polymers
Chain v 1–146（146 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 9 ZN ZINC ION × 7 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
7W5B The cryo-EM structure of human C* complex Deposited 2021-11-29 Assembly 1 Protein–RNA Heteromer；Protein × 50 PDB declaration: 55-meric（55） Consistent with all polymers
Chain v 1–146（146 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 9 ZN ZINC ION × 7 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.30 Å
7ZNJ Structure of an ALYREF-exon junction complex hexamer Deposited 2022-04-21 Assembly 1 Insufficient information Heteromer；Protein × 24 PDB declaration: 30-meric（30） Consistent with all polymers
Chain B 1–146（146 aa）
Chain G 1–146（146 aa）
Chain L 1–146（146 aa）
Chain b 1–146（146 aa）
Chain g 1–146（146 aa）
Chain l 1–146（146 aa）
Not recorded MG MAGNESIUM ION × 6 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.40 Å
8C6J Human spliceosomal PM5 C* complex Deposited 2023-01-12 Assembly 1 Protein–RNA Heteromer；Protein × 58 PDB declaration: 63-meric（63） Consistent with all polymers
Chain 9 1–146（146 aa）
Not recorded K POTASSIUM ION × 2 MG MAGNESIUM ION × 7 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 6 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 Å
8I0W The cryo-EM structure of human C complex Deposited 2023-01-11 Assembly 1 Protein–RNA Heteromer；Protein × 53 PDB declaration: 58-meric（58） Consistent with all polymers
Chain v 1–146（146 aa）
Not recorded IHP INOSITOL HEXAKISPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 MG MAGNESIUM ION × 5 ZN ZINC ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
9FMD Integrative model of the human post-catalytic spliceosome (P-complex) Deposited 2024-06-05 Assembly 1 Protein–RNA Heteromer；Protein × 58 PDB declaration: 63-meric（63） Consistent with all polymers
Chain 9 1–146（146 aa）
Not recorded MG MAGNESIUM ION × 6 K POTASSIUM ION × 1 ATP ADENOSINE-5'-TRIPHOSPHATE × 1 GTP GUANOSINE-5'-TRIPHOSPHATE × 1 ZN ZINC ION × 6 IHP INOSITOL HEXAKISPHOSPHATE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 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.