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Crystal structure of the abscisic acid receptor PYR1 in complex with an antagonist AS6

X-ray diffraction
2.3Å resolution
PDB entry 3wg8 coloured by chain, front view.
PDB entry 3wg8 coloured by chain, side view.
PDB entry 3wg8 coloured by chain, top view.
Source organism: Arabidopsis thaliana
Assemblies composition:
monomeric (preferred)
homo dimer
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1 (preferred)
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Assembly Name: Abscisic acid receptor PYR1
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Multimeric state: monomeric
Accessible surface area: 9786.2 Ã…2
Buried surface area: 0.0 Ã…2
Dissociation area: 0 Ã…2
Dissociation energy (ΔGdiss): 0 kcal/mol
Dissociation entropy (TΔSdiss): 0 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-129274
Assembly 2
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Assembly Name: PYR1 ABA receptor complex
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Multimeric state: homo dimer
Accessible surface area: 17651.86 Ã…2
Buried surface area: 1920.54 Ã…2
Dissociation area: 960.27 Ã…2
Dissociation energy (ΔGdiss): 4.14 kcal/mol
Dissociation entropy (TΔSdiss): 12.4 kcal/mol
Symmetry number: 2
PDBe Complex ID: PDB-CPX-129276
Complex Portal ID: CPX-1620

Macromolecules

Abscisic acid receptor PYR1
Chain: A
Length: 227 amino acids
Theoretical weight: 25.43 KDa
Source organism: Arabidopsis thaliana
Expression system: Escherichia coli
UniProt:
  • Canonical: O49686 (Residues: 1-191; Coverage: 100%)
Gene names: ABIP6, At4g17870, PYR1, RCAR11, T6K21.50
Pfam: Polyketide cyclase / dehydrase and lipid transport
InterPro:
CATH: Alpha-D-Glucose-1,6-Bisphosphate; Chain A, domain 4
Abscisic acid receptor PYR1 in PDB entry 3wg8, assembly 1, front view.
Abscisic acid receptor PYR1 in PDB entry 3wg8, assembly 1, side view.
Abscisic acid receptor PYR1 in PDB entry 3wg8, assembly 1, top view.
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