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Crystal structure of (+)-ABA-bound PYL1 in complex with ABI1

X-ray diffraction
2.1Å resolution
PDB entry 3jrq coloured by chain, front view.
PDB entry 3jrq coloured by chain, side view.
PDB entry 3jrq 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: Abscisic acid receptor PYL1 and Protein phosphatase 2C 56
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Multimeric state: hetero dimer
Accessible surface area: 19636.66 Ã…2
Buried surface area: 1733.58 Ã…2
Dissociation area: 866.79 Ã…2
Dissociation energy (ΔGdiss): 0.74 kcal/mol
Dissociation entropy (TΔSdiss): 12.27 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-155965

Macromolecules

Protein phosphatase 2C 56
Chain: A
Length: 326 amino acids
Theoretical weight: 35.88 KDa
Source organism: Arabidopsis thaliana
Expression system: Escherichia coli
UniProt:
  • Canonical: P49597 (Residues: 125-429; Coverage: 70%)
Gene names: ABI1, At4g26080, F20B18.190
Pfam: Protein phosphatase 2C
InterPro:
CATH: PPM-type phosphatase domain
Protein phosphatase 2C 56 in PDB entry 3jrq, assembly 1, front view.
Protein phosphatase 2C 56 in PDB entry 3jrq, assembly 1, side view.
Protein phosphatase 2C 56 in PDB entry 3jrq, assembly 1, top view.
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Abscisic acid receptor PYL1
Chain: B
Length: 186 amino acids
Theoretical weight: 21.45 KDa
Source organism: Arabidopsis thaliana
Expression system: Escherichia coli
UniProt:
  • Canonical: Q8VZS8 (Residues: 28-210; Coverage: 83%)
Gene names: At5g46790, MZA15.21, PYL1, RCAR12
Pfam: Polyketide cyclase / dehydrase and lipid transport
InterPro:
CATH: Alpha-D-Glucose-1,6-Bisphosphate; Chain A, domain 4
Abscisic acid receptor PYL1 in PDB entry 3jrq, assembly 1, front view.
Abscisic acid receptor PYL1 in PDB entry 3jrq, assembly 1, side view.
Abscisic acid receptor PYL1 in PDB entry 3jrq, assembly 1, top view.
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