5wxn

X-ray diffraction
2.93Å resolution

Structure of the LKB1 and 14-3-3 complex

Released:
Source organism: Homo sapiens
Primary publication:
Structure of the complex of phosphorylated liver kinase B1 and 14-3-3ζ.
Acta Crystallogr F Struct Biol Commun 73 196-201 (2017)
PMID: 28368277

Function and Biology Details

Reaction catalysed:
ATP + a protein = ADP + a phosphoprotein
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-158979 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
14-3-3 protein zeta/delta Chains: A, B
Molecule details ›
Chains: A, B
Length: 267 amino acids
Theoretical weight: 30.44 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P63104 (Residues: 1-245; Coverage: 100%)
Gene name: YWHAZ
Sequence domains: 14-3-3 protein
Structure domains: 14-3-3 domain
Serine/threonine-protein kinase STK11 Chains: C, D
Molecule details ›
Chains: C, D
Length: 13 amino acids
Theoretical weight: 1.73 KDa
Source organism: Homo sapiens
Expression system: Not provided
UniProt:
  • Canonical: Q15831 (Residues: 331-343; Coverage: 3%)
Gene names: LKB1, PJS, STK11

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: P212121
Unit cell:
a: 72.771Å b: 85.382Å c: 112.738Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.2 0.193 0.254
Expression systems:
  • Escherichia coli BL21(DE3)
  • Not provided