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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：O95639 New Search
12PDB entries
18Biological assembly
21chain/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
2D9N Solution structure of CCCH type zinc-finger domain 2 in Cleavage and polyadenylation specificity factor Deposited 2005-12-12 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 61–126（66 aa） Fragment：CCCH-type zinc finger motif
Not recorded ZN ZINC ION × 2 SOLUTION NMR
NMR measurement conditions pH 7；298 K；Ionic strength (raw mmCIF value) 100mM；Pressure ambient
NMR sample composition 20mM d-Tris-HCl(pH7.0), 100mM NaCl, 1mM d-DTT, 0.02% NaN3, 50uM ZnCl2+1mM IDA, 90% H2O, 10% D2O | 90% H2O/10% D2O
Resolution not provided
2RHK Crystal structure of influenza A NS1A protein in complex with F2F3 fragment of human cellular factor CPSF30, Northeast Structural Genomics Targets OR8C and HR6309A Deposited 2007-10-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 61–121（61 aa） Fragment：F2F3 Zinc-binding domains (UNP residues 61-121)
Chain D 61–121（61 aa） Fragment：F2F3 Zinc-binding domains (UNP residues 61-121)
Mutation：P94S Mutation：P94S NO3 NITRATE ION × 5 ZN ZINC ION × 4 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.5；293 K；0.5 M KNO3, 10% sucroes, 0.1M sodium acitate, pH 5.5, EVAPORATION, temperature 293K, pH 5.50
Resolution 1.95 Å R-free 0.234
2RHK Crystal structure of influenza A NS1A protein in complex with F2F3 fragment of human cellular factor CPSF30, Northeast Structural Genomics Targets OR8C and HR6309A Deposited 2007-10-09 Assembly 2 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain C 61–121（61 aa） Fragment：F2F3 Zinc-binding domains (UNP residues 61-121)
Chain D 61–121（61 aa） Fragment：F2F3 Zinc-binding domains (UNP residues 61-121)
Mutation：P94S Mutation：P94S NO3 NITRATE ION × 9 ZN ZINC ION × 6 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.5；293 K；0.5 M KNO3, 10% sucroes, 0.1M sodium acitate, pH 5.5, EVAPORATION, temperature 293K, pH 5.50
Resolution 1.95 Å R-free 0.234
2RHK Crystal structure of influenza A NS1A protein in complex with F2F3 fragment of human cellular factor CPSF30, Northeast Structural Genomics Targets OR8C and HR6309A Deposited 2007-10-09 Assembly 3 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 61–121（61 aa） Fragment：F2F3 Zinc-binding domains (UNP residues 61-121)
Chain D 61–121（61 aa） Fragment：F2F3 Zinc-binding domains (UNP residues 61-121)
Mutation：P94S Mutation：P94S NO3 NITRATE ION × 5 ZN ZINC ION × 4 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.5；293 K；0.5 M KNO3, 10% sucroes, 0.1M sodium acitate, pH 5.5, EVAPORATION, temperature 293K, pH 5.50
Resolution 1.95 Å R-free 0.234
2RHK Crystal structure of influenza A NS1A protein in complex with F2F3 fragment of human cellular factor CPSF30, Northeast Structural Genomics Targets OR8C and HR6309A Deposited 2007-10-09 Assembly 4 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain D 61–121（61 aa） Fragment：F2F3 Zinc-binding domains (UNP residues 61-121)
Mutation：P94S NO3 NITRATE ION × 4 ZN ZINC ION × 2 TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 5.5；293 K；0.5 M KNO3, 10% sucroes, 0.1M sodium acitate, pH 5.5, EVAPORATION, temperature 293K, pH 5.50
Resolution 1.95 Å R-free 0.234
6DNH Cryo-EM structure of human CPSF-160-WDR33-CPSF-30-PAS RNA complex at 3.4 A resolution Deposited 2018-06-06 Assembly 1 Protein–RNA Heteromer；Protein × 3 PDB declaration: tetrameric（4） Consistent with all polymers
Chain C 1–244（244 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9；25 mM Tris-HCl, pH 7.9, 380 mM NaCl, 5 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.40 Å
6FUW Cryo-EM structure of the human CPSF160-WDR33-CPSF30 complex bound to the PAS AAUAAA motif at 3.1 Angstrom resolution Deposited 2018-02-28 Assembly 1 Protein–RNA Heteromer；Protein × 3 PDB declaration: tetrameric（4） Consistent with all polymers
Chain C 1–178（178 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE；15 seconds wait time prior to blotting
Resolution 3.07 Å
6URG Cryo-EM structure of human CPSF160-WDR33-CPSF30-CPSF100 PIM complex Deposited 2019-10-23 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 1–244（244 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；25 mM Tris-HCl, pH 8.0, 150 mM NaCl, 5 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
6URO Cryo-EM structure of human CPSF160-WDR33-CPSF30-PAS RNA-CstF77 complex Deposited 2019-10-23 Assembly 1 Protein–RNA Heteromer；Protein × 5 PDB declaration: hexameric（6） Consistent with all polymers
Chain C 1–244（244 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；25 mM Tris-HCl, pH 8.0, 150 mM NaCl, 5 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
7ZYH Crystal structure of human CPSF30 in complex with hFip1 Deposited 2022-05-24 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 118–178（61 aa）
Not recorded ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；292.15 K；1.626 M (NH4)SO4, 0.1 M Bis-Tris pH 6.5
Resolution 2.20 Å R-free 0.264
7ZYH Crystal structure of human CPSF30 in complex with hFip1 Deposited 2022-05-24 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain D 118–178（61 aa）
Not recorded ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；292.15 K；1.626 M (NH4)SO4, 0.1 M Bis-Tris pH 6.5
Resolution 2.20 Å R-free 0.264
7ZYH Crystal structure of human CPSF30 in complex with hFip1 Deposited 2022-05-24 Assembly 3 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain G 118–178（61 aa）
Not recorded ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；292.15 K；1.626 M (NH4)SO4, 0.1 M Bis-Tris pH 6.5
Resolution 2.20 Å R-free 0.264
7ZYH Crystal structure of human CPSF30 in complex with hFip1 Deposited 2022-05-24 Assembly 4 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain J 118–178（61 aa）
Not recorded ZN ZINC ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；292.15 K；1.626 M (NH4)SO4, 0.1 M Bis-Tris pH 6.5
Resolution 2.20 Å R-free 0.264
8E3I CRYO-EM STRUCTURE OF the human MPSF IN COMPLEX WITH THE AUUAAA poly(A) signal Deposited 2022-08-17 Assembly 1 Protein–RNA Heteromer；Protein × 3 PDB declaration: tetrameric（4） Consistent with all polymers
Chain C 1–244（244 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；25 mM Tris (pH 8.0), 150 mM NaCl, and 5 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.53 Å
8E3Q CRYO-EM STRUCTURE OF the human MPSF Deposited 2022-08-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain C 1–244（244 aa）
Not recorded ZN ZINC ION × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；25 mM Tris (pH 8.0), 150 mM NaCl, and 5 mM DTT
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.68 Å
8R8R Cryo-EM structure of the human mPSF with PAPOA C-terminus peptide (PAPOAc) Deposited 2023-11-29 Assembly 1 Protein–RNA Heteromer；Protein × 4 PDB declaration: pentameric（5） Consistent with all polymers
Chain C 2–244（243 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.9
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 2.79 Å
9OXE CRYO-EM STRUCTURE OF the human mPSF IN COMPLEX WITH THE AGUAAA poly(A) signal Deposited 2025-06-03 Assembly 1 Protein–RNA Heteromer；Protein × 3 PDB declaration: tetrameric（4） Consistent with all polymers
Chain C 1–244（244 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.53 Å
9OXS CRYO-EM STRUCTURE OF the human mPSF IN COMPLEX WITH THE AAUAAU poly(A) signal Deposited 2025-06-04 Assembly 1 Protein–RNA Heteromer；Protein × 3 PDB declaration: tetrameric（4） Consistent with all polymers
Chain C 1–244（244 aa）
Not recorded ZN ZINC ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.07 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.