Cleavage and polyadenylation specificity factor subunit 1
Homo sapiens
State in the Current Structure
| Assembly | Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Associated Components | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|
| 1 | Protein heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count | Chain A; UniProt 1–1443 | Not recorded | ;pre-mRNA 3' end processing protein WDR33 ; × 1 (Q9C0J8) | ELECTRON MICROSCOPY cryo-EM buffer:pH 7.9;25 mM Tris-HCl, pH 7.9, 300 mM NaCl, 5 mM DTT cryo-EM vitrification conditions:Cryogen ETHANE | Resolution 3.80 Å |
Other States of the Same Protein in the Database
Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.
| Other PDB | Difference from Current Entry 6BM0 | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Method and Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 6BLY Cryo-EM structure of human CPSF-160-WDR33 complex at 3.36A resolution Deposited 2017-11-12 | Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
1–1443(1443 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.9;25 mM Tris-HCl, pH 7.9, 380 mM NaCl, 5mM DTT
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.36 Å |
| 6DNH Cryo-EM structure of human CPSF-160-WDR33-CPSF-30-PAS RNA complex at 3.4 A resolution Deposited 2018-06-06 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–RNA Heteromer;Protein × 3 PDB declaration: tetrameric |
Chain A
1–1443(1443 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 |
| 6F9N CRYSTAL STRUCTURE OF THE HUMAN CPSF160-WDR33 COMPLEX Deposited 2017-12-14 | Different experimental method Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 2 PDB declaration: dimeric |
Chain A
1–1443(1443 aa)
|
Not recorded | No recorded non-water small molecule |
X-RAY DIFFRACTION
X-ray crystallization conditions
VAPOR DIFFUSION, HANGING DROP;293 K;11% w/v PEG3400
37.5 mM Ammonium Formate
112.5 mM Magnesium Formate
|
Resolution 2.50 Å R-free 0.263 |
| 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 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–RNA Heteromer;Protein × 3 PDB declaration: tetrameric |
Chain A
1–1443(1443 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 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 4 PDB declaration: tetrameric |
Chain A
1–1443(1443 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 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–RNA Heteromer;Protein × 5 PDB declaration: hexameric |
Chain A
1–1443(1443 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 |
| 8E3I CRYO-EM STRUCTURE OF the human MPSF IN COMPLEX WITH THE AUUAAA poly(A) signal Deposited 2022-08-17 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–RNA Heteromer;Protein × 3 PDB declaration: tetrameric |
Chain A
1–1443(1443 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 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein heterocomplex Heteromer;Protein × 3 PDB declaration: trimeric |
Chain A
1–1443(1443 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 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–RNA Heteromer;Protein × 4 PDB declaration: pentameric |
Chain A
1–1443(1443 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 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–RNA Heteromer;Protein × 3 PDB declaration: tetrameric |
Chain A
1–1443(1443 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 | Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics | Assembly 1 Protein–RNA Heteromer;Protein × 3 PDB declaration: tetrameric |
Chain A
1–1443(1443 aa)
|
Not recorded | ZN ZINC ION × 3 |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 8
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.07 Å |
| 9T3X cryo-EM structure of CPSF160-WDR33-ZC3H18 Deposited 2025-10-30 | Different oligomeric state Different experimental conditions Different structure-quality metrics | Assembly 1 Insufficient information Heteromer;Protein × 3 PDB declaration: trimeric |
Chain A
1–1443(1443 aa)
|
Not recorded | No recorded non-water small molecule |
ELECTRON MICROSCOPY
cryo-EM buffer
pH 7.5;20mM HEPES pH 7.5, 150mM NaCl, 5mM MgCl2
cryo-EM vitrification conditions
Cryogen ETHANE-PROPANE
|
Resolution 2.10 Å |
12 other PDB entries and 12 assemblies. Open the comparison page and filter oligomeric states
View Construct and Data Evidence
| UniProt name | CPSF1_HUMAN |
| Isoform | — |
| PDB entities | 1 |
| Chains and sequence ranges | Author chain A; PDBConstruct 1–1443; UniProt 1–1443 |