Follistatin-344 Testing
MW: ~37 kDa
Myostatin inhibitor studied for muscle growth.
What we test on Follistatin-344
Confirm glycosylation pattern and dimer formation.
Standard Growth & Muscle Panel
- ✓SEC-HPLC (aggregation)
- ✓RP-HPLC purity
- ✓Intact-mass LC-MS
- ✓Endotoxin (LAL)
Common impurities in this category
Aggregates (dimer/trimer), oxidation, host-cell protein, endotoxin from E. coli expression.
Related Growth & Muscle peptides
ACE-031
~76 kDa
Soluble ActRIIB decoy designed to bind myostatin and related ligands.
Frag 176-191 (HGH Fragment)
1815.08 g/mol
C-terminal hGH fragment studied for fat metabolism.
IGF-1 LR3
~9111 g/mol
Modified IGF-1 with Arg3 substitution and 13-aa N-terminal extension; ~3x potency, longer half-life.
IGF-DES (1-3)
~7400 g/mol
Truncated IGF-1 missing first three N-terminal residues. Active locally.
MGF (Mechano Growth Factor)
2867.21 g/mol
IGF-1 splice variant produced under mechanical muscle loading.
PEG-MGF
~2867 + PEG g/mol
Pegylated MGF with extended half-life.