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The crystal structure of Arabidopsis thaliana CAR4 in complex with two calcium ions and phophatidyl serine

X-ray diffraction
1.602Å resolution
PDB entry 5a51 coloured by chain, front view.
PDB entry 5a51 coloured by chain, side view.
PDB entry 5a51 coloured by chain, top view.
Source organism: Arabidopsis thaliana
Assembly composition:
monomeric (preferred)
Entry contents: 1 distinct polypeptide molecule

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Assemblies

Assembly 1
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Assembly Name: Protein C2-DOMAIN ABA-RELATED 4
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Multimeric state: monomeric
Accessible surface area: 8923.54 Å2
Buried surface area: 178.34 Å2
Dissociation area: 50.42 Å2
Dissociation energy (ΔGdiss): 14.17 kcal/mol
Dissociation entropy (TΔSdiss): 0.04 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-192327
Assembly 2 (preferred)
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Assembly Name: Protein C2-DOMAIN ABA-RELATED 4
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Multimeric state: monomeric
Accessible surface area: 9047.92 Å2
Buried surface area: 177.98 Å2
Dissociation area: 78.3 Å2
Dissociation energy (ΔGdiss): 20.57 kcal/mol
Dissociation entropy (TΔSdiss): 1.62 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-192327

Macromolecules

Protein C2-DOMAIN ABA-RELATED 4
Chains: A, B
Length: 177 amino acids
Theoretical weight: 19.93 KDa
Source organism: Arabidopsis thaliana
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9LVH4 (Residues: 1-177; Coverage: 100%)
Gene names: At3g17980, C2, CAR4, GAP1, MEB5.18
Pfam: C2 domain
InterPro:
Protein C2-DOMAIN ABA-RELATED 4 in PDB entry 5a51, assembly 2, front view.
Protein C2-DOMAIN ABA-RELATED 4 in PDB entry 5a51, assembly 2, side view.
Protein C2-DOMAIN ABA-RELATED 4 in PDB entry 5a51, assembly 2, top view.
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