Semax vs Selank

Semax and Selank are both synthetic seven-amino-acid sequences that end in Pro-Gly-Pro. They differ in the four residues before it: Semax carries the ACTH (4-7) fragment Met-Glu-His-Phe, Selank carries tuftsin, Thr-Lys-Pro-Arg.

Semax and Selank compared
SemaxSelank
CAS number80714-61-0129954-34-3
Molecular formulaC37H51N9O10SC33H57N11O9
Molecular weight813.9 g/mol751.9 g/mol
Residues77
SequenceMet-Glu-His-Phe-Pro-Gly-ProThr-Lys-Pro-Arg-Pro-Gly-Pro
Also listed asACTH (4-7) Pro-Gly-Pro, MEHFPGPTP-7
PubChemCID 9811102CID 11765600

Semax from Biomod

Semax is a synthetic seven-amino-acid sequence: the ACTH (4-7) fragment Met-Glu-His-Phe extended with Pro-Gly-Pro.

Selank from Biomod

Selank is a synthetic seven-amino-acid analog of tuftsin (Thr-Lys-Pro-Arg) extended with Pro-Gly-Pro.

For laboratory research use only. Not for human or animal use. Biomod does not provide dosing or medical advice.