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TLS Online TPP Program

#Id: 1182

Retinal is parallel to the surface of the membrane and is attached to a lysine residue at position 296 in the seventh transmembrane domain.


#Unit 7. System Physiology – Animal #Vision #Part B Pointers
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TLS Online TPP Program

#Id: 8029

#Unit 1. Molecules and their Interaction Relevant to Biology
TLS Online TPP Program

#Id: 8030

#Unit 1. Molecules and their Interaction Relevant to Biology

Desmosine is formed from four Lys residues
TLS Online TPP Program

#Id: 8031

#Unit 1. Molecules and their Interaction Relevant to Biology
TLS Online TPP Program

#Id: 8032

#Unit 1. Molecules and their Interaction Relevant to Biology

Ornithine and citrulline, which are not found in proteins, are intermediates in the biosynthesis of arginine and in the urea cycle.
TLS Online TPP Program

#Id: 8033

#Unit 1. Molecules and their Interaction Relevant to Biology

Glycine & Proline are relatively polar considering negative hydropathy index (-0.4 & -1.6) comparing to other nonpolar amino acids.
TLS Online TPP Program

#Id: 8034

#Unit 1. Molecules and their Interaction Relevant to Biology

Nonpolar amino acids have three ionisations zones
1. 1--------pK1 – charge +1
2. pK1---------pK2 charge 0
3. pK2---------14 charge -1