Table II.

Comparison of the acidic properties of various members of the outer envelope membrane import complex

Import ComponentPercentage of Acidic Residues in Whole Protein2-apI of Whole ProteinPercentage of Acidic Residues in N-Terminal Domain2-apI of N-Terminal Domain
Pea Toc159204.2303.6
AtToc159194.3273.8
AtToc132174.7283.8
AtToc120164.9263.9
AtToc75-III108.8N/AN/A
AtToc34109.4N/AN/A
AtToc64-III108.2N/AN/A
  • F2-a  Acidic residues are aspartate (D) and glutamate (E).