Structure analysis

Structure of PPM1, a leucine carboxy methyltransferase involved in the regulation of protein phosphatase 2A activity

X-ray diffraction
2Å resolution
Source organism: Saccharomyces cerevisiae
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

Assemblies

Assembly 1 (preferred)
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Multimeric state: monomeric
Accessible surface area: 14897.36 Å2
Buried surface area: 632.03 Å2
Dissociation area: 124.64 Å2
Dissociation energy (ΔGdiss): 1.03 kcal/mol
Dissociation entropy (TΔSdiss): 0.27 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-169993
Assembly 2
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Multimeric state: monomeric
Accessible surface area: 14760.41 Å2
Buried surface area: 701.57 Å2
Dissociation area: 122.77 Å2
Dissociation energy (ΔGdiss): 0.99 kcal/mol
Dissociation entropy (TΔSdiss): 0.27 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-169993
Assembly 3
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Multimeric state: monomeric
Accessible surface area: 15140.28 Å2
Buried surface area: 506.1 Å2
Dissociation area: 120.97 Å2
Dissociation energy (ΔGdiss): 1.41 kcal/mol
Dissociation entropy (TΔSdiss): 0.26 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-169993

Macromolecules

Chains: A, B, C
Length: 334 amino acids
Theoretical weight: 38.57 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli
UniProt:
  • Canonical: Q04081 (Residues: 1-328; Coverage: 100%)
Gene names: PPM1, YDR435C
Pfam: Leucine carboxyl methyltransferase
InterPro:
CATH: Vaccinia Virus protein VP39
SCOP: Leucine carboxy methyltransferase Ppm1

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