There are two type representation of amino acid structure

1. By Fischer’s convention L and D

2. By absolute configuration RS System

TLS Online TPP Program

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#XL - T Zoology

The function of a growth factor-  stabilize receptor dimerization

TLS Online TPP Program

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#XL - T Zoology

HER1 & HER4, can form stable homodimers after binding a growth factor.

TLS Online TPP Program

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#XL - T Zoology

HER2 can signal only by forming heterodimers with ligand-bound HER1, HER3, or HER4

TLS Online TPP Program

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#XL - T Zoology

HER3 lacks a functional kinase domain

TLS Online TPP Program

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#XL - T Zoology

RAS is a small monomeric G-proteins.

TLS Online TPP Program

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#XL - T Zoology

RAS is connected to the membrane by a prenylated (lipid) tail.