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The peptide is chemically modified with an N-terminal tyrosine residue to enhance stability and contains a disulfide bond between cysteine residues

The amide nitrogen and protons of FOXO4 FHD and p53 TAD have been assigned previously 64,65

NAD+ levels decline throughout the day due to PARP activity, circadian gene expression, and oxidative stress accumulation

Both peptides maintain stability across the same pH range (4.0-8.0), so there are no compatibility concerns in the blended format

Immediately after differentiation, rinse the sections in running distilled water for 3 min to stop the differentiation

Persistent or severe reactions may indicate sensitivity to benzyl alcohol in bacteriostatic water