What is the minimum distance between two amino acid residues to make interaction?

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Ravi Kant Upadhyay

2-70 nm for between two amino acid residues to form disulfide, hydrogen bond and ionic interaction. H bond 3-7, ionic bond 3-10nm, Van der Waals 1-20nm.

Philippe Roger Bovy

Disulfide bond is covalent (and reversible) and about 2.05 angstrom in length.

Dachuri Vinay Kumar

thank you for the answers.