What is chemical structure of protamine sulfate?

Answer 1

Though protamine structure is not known,

Protamine has 32 amino acid residue composed by 8 different acid as follows

Ser 3.69

Pro 3.06

Gly 2.10

Ala 1.06

Val 0.99

Met 1.04

LY s 1.03

Arg 19.03

Answer 2

Protamine sulfate is a cationic protein that consists of mostly arginine residues. It does not have a defined chemical structure like small molecules, but it forms complexes with negatively charged molecules such as heparin through electrostatic interactions.