6obp

X-ray diffraction
2.7Å resolution

Reconstituted PP1 holoenzyme

Released:
Source organism: Homo sapiens
Primary publication:
SDS22 selectively recognizes and traps metal-deficient inactive PP1.
Proc Natl Acad Sci U S A 116 20472-20481 (2019)
PMID: 31548429

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-158558 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Serine/threonine-protein phosphatase PP1-alpha catalytic subunit Chain: A
Molecule details ›
Chain: A
Length: 305 amino acids
Theoretical weight: 34.84 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P62136 (Residues: 1-300; Coverage: 91%)
Gene names: PPP1A, PPP1CA
Sequence domains:
Protein phosphatase 1 regulatory subunit 7 Chain: C
Molecule details ›
Chain: C
Length: 310 amino acids
Theoretical weight: 36.09 KDa
Source organism: Homo sapiens
Expression system: Homo sapiens
UniProt:
  • Canonical: Q15435 (Residues: 56-360; Coverage: 85%)
Gene names: PPP1R7, SDS22
Sequence domains:

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL12-2
Spacegroup: P21212
Unit cell:
a: 132.309Å b: 69.703Å c: 81Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.201 0.198 0.258
Expression systems:
  • Escherichia coli
  • Homo sapiens