Which side they face some has to do with translocases

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: May require protein for translocation (translocases) !  Interleaflet movement is essential for asymmetry 31 + Bilayer Asymmetry !  Two leaflets in bilayer are NOT identical !  Some has to do with orientation of lipid-synthesizing enzymes !  Which side they face !  Some has to do with translocases or flippases !  Function of membranes is more than just as a cell sack 32 + 33 Membrane Proteins ! Membrane !  Depends is ~50% protein on cell type 1 ! Types of membrane proteins 1) Integral membrane proteins !  Span bilayer !  Require detergent to separate them from the membrane 1 + 34 Membrane Proteins ! Types of membrane proteins 2) Anchored proteins !  Carry lipid anchor that integrates in membranes 3) Peripheral protein !  Associates with integral proteins or lipid head groups 3 2 + 35 Integral Membrane Proteins ! Transmembrane !  May helices be single-pass (1 helix) or multi-pass (>1) !  Composed of hydrophobic residues !  Need 20 amino acids to span the bilayer + 36 Inte...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online