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Crystal structures of PYR1/HAB1 in complex with synthetic analogues of Abscisic Acid

X-ray diffraction
2.4Å resolution
PDB entry 5or6 coloured by chain, front view.
PDB entry 5or6 coloured by chain, side view.
PDB entry 5or6 coloured by chain, top view.
Source organism: Arabidopsis thaliana
Assembly composition:
hetero dimer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Protein phosphatase 2C 16 and Abscisic acid receptor PYR1
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Multimeric state: hetero dimer
Accessible surface area: 20693.09 Ã…2
Buried surface area: 2154.15 Ã…2
Dissociation area: 862.54 Ã…2
Dissociation energy (ΔGdiss): 4.92 kcal/mol
Dissociation entropy (TΔSdiss): 12.39 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-129275

Macromolecules

Abscisic acid receptor PYR1
Chain: A
Length: 193 amino acids
Theoretical weight: 21.71 KDa
Source organism: Arabidopsis thaliana
Expression system: Escherichia coli
UniProt:
  • Canonical: O49686 (Residues: 3-191; Coverage: 99%)
Gene names: ABIP6, At4g17870, PYR1, RCAR11, T6K21.50
Pfam: Polyketide cyclase / dehydrase and lipid transport
InterPro:
Abscisic acid receptor PYR1 in PDB entry 5or6, assembly 1, front view.
Abscisic acid receptor PYR1 in PDB entry 5or6, assembly 1, side view.
Abscisic acid receptor PYR1 in PDB entry 5or6, assembly 1, top view.
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Protein phosphatase 2C 16
Chain: B
Length: 337 amino acids
Theoretical weight: 37.35 KDa
Source organism: Arabidopsis thaliana
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9CAJ0 (Residues: 178-511; Coverage: 68%)
Gene names: At1g72770, F28P22.4, HAB1, P2C-HA
Pfam: Protein phosphatase 2C
InterPro:
Protein phosphatase 2C 16 in PDB entry 5or6, assembly 1, front view.
Protein phosphatase 2C 16 in PDB entry 5or6, assembly 1, side view.
Protein phosphatase 2C 16 in PDB entry 5or6, assembly 1, top view.
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