Biochem structures Flashcards
1
Q
Types of post translational modifications
A
disulfide bridges, cross-linking, peptidolysis
non peptide attachments: glycosylation, phosphorylation, adenylation, farnesylation
2
Q
what is adenylation?
A
add AMP
3
Q
what is farnesylation?
A
isoprenoid lipid attached to cysteine
4
Q
roles of post translational modifications
A
regulation, targeting, turnover, structural
5
Q
role of lipids in signalling
A
steroid hormones
eg. adrenaline, cortisol, oestrogen, testosterone
6
Q
role of lipids - signalling molecules derived from arachidonic acid
A
eicosanoids
eg. prostaglandins
7
Q
role of lipids - signalling molecules derived from arachidonic acid
A
eicosanoids
eg. prostaglandins