4lgb

X-ray diffraction
3.15Å resolution

ABA-mimicking ligand N-(1-METHYL-2-OXO-1,2,3,4-TETRAHYDROQUINOLIN-6-YL)-1-(4-METHYLPHENYL)METHANESULFONAMIDE in complex with ABA receptor PYL2 and PP2C HAB1

Released:

Function and Biology Details

Reaction catalysed:
[a protein]-serine/threonine phosphate + H(2)O = [a protein]-serine/threonine + phosphate

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Abscisic acid receptor PYL2 Chain: A
Molecule details ›
Chain: A
Length: 177 amino acids
Theoretical weight: 19.91 KDa
Source organism: Arabidopsis thaliana
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: O80992 (Residues: 14-188; Coverage: 92%)
Gene names: At2g26040, PYL2, RCAR14, T19L18.15
Sequence domains: Polyketide cyclase / dehydrase and lipid transport
Structure domains: Alpha-D-Glucose-1,6-Bisphosphate; Chain A, domain 4
Protein phosphatase 2C 16 Chain: B
Molecule details ›
Chain: B
Length: 341 amino acids
Theoretical weight: 37.83 KDa
Source organism: Arabidopsis thaliana
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q9CAJ0 (Residues: 172-511; Coverage: 70%)
Gene names: At1g72770, F28P22.4, HAB1, P2C-HA
Sequence domains: Protein phosphatase 2C
Structure domains: PPM-type phosphatase domain

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: P212121
Unit cell:
a: 60.957Å b: 66.173Å c: 143.841Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.272 0.27 0.294
Expression system: Escherichia coli BL21(DE3)