Carbon Amino terminus Hyd OXygen NItrogen ORgroup 42 ,4A 003 (3.6 residues) G 4 Carboxyl terminus a (b)
c
(d)
2.3 B-pleated sheet was proposed to be the more extended conformation of the polypeptide chain 2.3.1 The conformation is formed when two or more almost fully extended polypeptide chains are brought together side by side 2.3.2 Regular hydrogen bonds are formed between the carbonyl oxygen and amide hydrogen between adjacent chains (look like a zipper) 2.3.3 The axial distance between the adjacent amino acid residues is 3.5 Angstroms
2.3 b-pleated sheet was proposed to be the more extended conformation of the polypeptide chain. 2.3.1 The conformation is formed when two or more almost fully extended polypeptide chains are brought together side by side. 2.3.2 Regular hydrogen bonds are formed between the carbonyl oxygen and amide hydrogen between adjacent chains (look like a zipper). 2.3.3 The axial distance between the adjacent amino acid residues is ~3.5 Angstroms