Histone H3.1 aa21-44 Peptide Description: A synthetic peptide derived from human histone H3.1, amino acids 21-44, with an added glycine and lysine residue containing a biotin moiety at the epsilon-amino group..
Formulation: 50 µg of lyophilized powder.
Molec. Weight: 2917.6 Da.
Purity: >95% as judged by HPLC and mass spectrometry.
Storage and Stability: Lyophilized peptides are stable for 2 years at -20°C from date of shipment. Peptides in solution are stable for 6 months at -80°C. Spin vial briefly in microfuge and reconstitute with sterile distilled water and vortex briefly until resuspended. Aliquot peptide to avoid repeated freezing and thawing.
Quality Control: Peptide purified by reversed-phase HPLC and analyzed using MALD-TOF mass spectrometry and analytical RP-HPLC.
Mass Spec Data: MALDI-TOF mass spectrometry was used to analyze histone H3.1 aa1-43 peptide for identity and homogeneity. Peak at 2482 Da is the species [M+2H]++).