Xaa is a neutral aliphatic amino acid residue, in particular Ala, bAla, Leu, Ile, Gly, Val, Nle or the cation of the salt is an alkali metal or an alkaline earth metal, for instance Na + , K + , Li + , Cs + , Ca 2+ , or another metal, such as Zn 2+ , or a primary, secondary or tertiary amine or organic compound, such as NH 4 + , triethanolamine + , cyclohexylamine + , 2-AMP + (2-amino-1-propanol) or TRIS + (Tris-(hydroxymethyl)-aminomethan), as long as these cations are physiologically acceptable
Advice for parents For children, use brief, honest explanation and distraction
Running out before cycle completion If your supply runs short before reaching intended cycle duration: Option 1: End cycle early
HPF1 completes the PARP active site for DNA damage-induced ADP-ribosylation