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A crucial role for high intrinsic specificity in the function of yeast SH3 domains

Solution NMR
PDB entry 2rpn coloured by chain, ensemble of 20 models, front view.
PDB entry 2rpn coloured by chain, ensemble of 20 models, side view.
PDB entry 2rpn coloured by chain, ensemble of 20 models, top view.
Source organism: Saccharomyces cerevisiae
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: Actin-binding protein and Actin-regulating kinase 1
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Multimeric state: hetero dimer
Accessible surface area: 4545.18 Å2
Buried surface area: 1246.19 Å2
Dissociation area: 623.1 Å2
Dissociation energy (ΔGdiss): 0.91 kcal/mol
Dissociation entropy (TΔSdiss): 8.51 kcal/mol
Symmetry number: 1
PDBe Complex ID: PDB-CPX-147522

Macromolecules

Actin-binding protein
Chain: A
Length: 59 amino acids
Theoretical weight: 6.73 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli
UniProt:
  • Canonical: P15891 (Residues: 535-592; Coverage: 10%)
Gene names: ABP1, YCR088W, YCR88W
Pfam: SH3 domain
InterPro:
CATH: SH3 Domains
Actin-binding protein in PDB entry 2rpn, assembly 1, front view.
Actin-binding protein in PDB entry 2rpn, assembly 1, side view.
Actin-binding protein in PDB entry 2rpn, assembly 1, top view.
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Actin-regulating kinase 1
Chain: B
Length: 18 amino acids
Theoretical weight: 1.99 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli
UniProt:
  • Canonical: P53974 (Residues: 605-621; Coverage: 3%)
Gene names: ARK1, N2823, YNL020C
Actin-regulating kinase 1 in PDB entry 2rpn, assembly 1, front view.
Actin-regulating kinase 1 in PDB entry 2rpn, assembly 1, side view.
Actin-regulating kinase 1 in PDB entry 2rpn, assembly 1, top view.
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