Methyl 7-hydroxyheptanoat is a product of microbial fatty acid metabolism.

[Tyr0]-pTH-Related Protein (1-34) (human, rat)

Hexa His is an amino acid sequence consisting of 6 His residues in a row, it is also known as hexa histidine-tag, 6xHis-tag, and by the trademarked name His-tag. Hexa His Responsible for the degradation of GM2 gangliosides, and a variety of other molecules containing terminal N-acetyl hexosamines, in the brain and other tissues.