Polylysine

ε-Polylysine

Names
IUPAC name Poly[imino[(2S)-2-amino-1-oxo-1,6-hexanediyl
Identifiers
CAS Number	25104-18-1 Y
ChemSpider	none
UNII	0A1V8JTU2M Y
Properties
Chemical formula	(C6H12N2O)n
Molar mass	variable 4700 g/mol (degree of polymerization = 30)
Melting point	142.2 °C (288.0 °F; 415.3 K)
Solubility in water	Soluble
Basicity (pKb)	5
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). N verify (what is YN ?) Infobox references

Polylysine refers to several types of lysine homopolymers, which may differ from each other in terms of stereochemistry (D/L; the L form is natural and usually assumed) and link position (α/ε). Of these types, only ε-poly-L-lysine is produced naturally.