$00$ Membrane$-$associated proteins can be distinguished by the types of interactions they have with the lipid bilayer and their structural motifs. Match each statement to the category of membrane$-$associated protein it describes.

Membrane$-$spanning $$ helix

Membrane$-$spanning

o $q,.$

Lipid$-$anchored membrane protein

Peripheral membrane protein

Answer Bank

amino acid sequence pattern: nonpolar R group, polar R group $($repeats$)$

membrane attachment depends upon electrostatic interactions with membrane phospholipid head groups

composed of about $20$ hydrophobic residues

often contains residues with covalently attached fatty acyl groups

can usually be released from membrane by concentrated salt solutions

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