The 4-carboxyaldehyde form of vitamin B6 which is converted to pyridoxal phosphate which is a coenzyme for synthesis of amino acids neurotransmitters (serotonin norepinephrine) sphingolipids aminolevulinic acid.

Cesium chloride is considered to be the most toxic of the alkali chlorides inhibit fungal growth.?

MPSD (MARCKS-ED) is a 25-amino acid peptide based on the effector domain sequence of the intracellular membrane protein myristoylated alanine-rich C-kinase substrate (MARCKS). MPSD can sense membrane curvature and recognize phosphatidylserine. MPSD can be utilized as biological probe to study membrane shape and lipid composition.