'Selectivity filter' presentation slideshows

Membrane Channels

Membrane Channels. The Cell Membrane is Selective. Criteria for passage through the phospholipid bilayer : Hydrophobic Net zero charge Nonpolar Size is also a consideration Chemicals that will NOT pass through the phospholipid bilayer : Hydrophillic Charged, ionic Polar

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Membrane Potential and Ion Channels

Colin Nichols. Membrane Potential and Ion Channels.

593 views • 51 slides

587 views • 47 slides

626 views • 46 slides

Lecture Notes for Chapter 9 Membrane Transport

Essential Biochemistry Third Edition Charlotte W. Pratt | Kathleen Cornely. Lecture Notes for Chapter 9 Membrane Transport. KEY CONCEPTS: Section 9-1. During a nerve impulse, ion movements alter membrane potential, producing an action potential that travels along the axon.

795 views • 33 slides

K + Channels

368 views • 26 slides

Bi / CNS 150 Lecture 2 Friday, October 4, 2013

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Understanding Transport through Membranes

Understanding Transport through Membranes. The importance of ion transport through membranes.

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BIBC 100 Final Review Session

BIBC 100 Final Review Session. (Final Saturday 8-10:50am). Enzymes. Biological catalysts that lower the activation energy of a reaction Favors/stabilizes intermediate formation over substrate

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Comparison of K+ and mechano-sensitive ion channels

Comparison of K+ and mechano-sensitive ion channels. Cha et al. Nature 402:813-817. Why compare KcsA and MscS. Voltage gated ion channels are extensively studied by physiological means But the crystal structure is not known X-ray structure of bacterial K+ channel (KcsA) exists

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Fig. 26.2 Energy barrier profile Transient Receptor Potential Channels, Md. Shahidul Islam (Ed.)

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Effect of selectivity filter radius on Ca 2+ vs. Na + selectivity

139 views • 1 slides