81338
Poly-L-lysine hydrobromide
mol wt 30,000-70,000
InChI key
WBSCNDJQPKSPII-KKUMJFAQSA-N
InChI
1S/C18H38N6O4/c19-10-4-1-7-13(22)16(25)23-14(8-2-5-11-20)17(26)24-15(18(27)28)9-3-6-12-21/h13-15H,1-12,19-22H2,(H,23,25)(H,24,26)(H,27,28)/t13-,14-,15-/m0/s1
SMILES string
Cl.NCCCCC(N)C(O)=O
form
fibers
mol wt
30,000-70,000
storage temp.
−20°C
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Analysis Note
Molecular weight based on viscosity. Also assayed by MALLS.
Other Notes
A polycation which binds to DNA, red cell membrane and any negatively charged protein. For the preparation of polycationic beads, useful in immobilization techniques.; Immobilization of membranes; Immobilization of plant protoplasts; In cell culture, immobilization by microencapsulation with the alginate-poly- L-lysine microcapsule system; Drug-Polylysine conjugates: Their potential for chemotherapy and for the study of endocytosis
For additional technical information on polyamino acids please visit the Polyamino acid FAQ resource.
Poly-L-lysine is a positively charged amino acid polymer with approximately one HBr per lysine residue. The hydrobromide allows the poly-L-lysine to be in a crystalline form soluble in water. A small amount of product may be found in the beta structure because the HBr interferes with hydrogen bonding between amino and either the carboxyl groups or N or O containing moieties.
Disclaimer
Sterile solutions are stable for up to 2 years when stored at 2-8°C. It should be stored desiccated at -20°C.
Storage Class
13 - Non Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Regulatory Information
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G Payares et al.
Molecular and biochemical parasitology, 23(2), 129-137 (1987-03-01)
Poly-lysine coated beads attached readily onto Schistosoma mansoni. On detachment, the beads removed membranes from the surface of the tegument. Analysis of the proteins of the detached membranes showed that three major proteins of 94, 73 and 62 kDa were
Advances in the Biosciences, 61, 3-3 (1977)
G.A. King et al.
Biotechnology Progress, 3, 231-231 (1987)
H.J.-P. Ryser et al.
NATO ASI Ser; Ser. A, 113, 103-103 (1986)
R. Vankova et al.
Physiologia Plantarum, 70, 1-1 (1987)
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