Membrane proteins

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Membrane proteins by Mind Map: Membrane proteins

1. Permeability classes

1.1. Hydrophobic molecules

1.1.1. ++

1.2. Small uncharged polar molecules

1.2.1. +

1.3. Large uncharged molecules

1.3.1. -

1.4. Small charged molecules

1.4.1. --

2. Transport protein classes

2.1. Channels

2.1.1. Gated

2.1.1.1. Voltage

2.1.1.2. Ligand

2.1.1.2.1. Intracellular

2.1.1.2.2. Extracellular

2.1.1.3. Mechanic

2.1.2. Non gated

2.1.2.1. Pores

2.1.3. Passive

2.1.4. Are ion specific

2.2. Transporters

2.2.1. Carriers/permeases

2.2.2. Bind > confirmational change > transport

2.2.3. Active

2.2.3.1. Direct energy source

2.2.3.2. Cotransport

2.2.3.2.1. Using downstream to upstream

2.2.3.2.2. Uniport

2.2.3.2.3. Symport

2.2.3.2.4. Antiport

2.2.3.3. ATP driven

2.2.3.3.1. P type

2.2.3.3.2. F type

2.2.3.3.3. ABC type

2.2.3.4. Light driven

2.2.4. Passive

2.2.4.1. Gradients

2.2.5. Similar function as enzymes

2.2.5.1. No change in solute

3. Functions

3.1. Regulate pH

3.1.1. H+ out

3.1.2. HCO3- in

3.2. Glucose absorption

3.2.1. Glucose epithelial

3.3. Membrane potential

3.3.1. Maintained by na/k pump

3.3.1.1. When pump is stopped, potential decays

3.3.1.1.1. HA, i was right. Sould mention it to manuela...

3.3.2. Nernst equation

3.3.2.1. V=(RT/ZF)ln(Co/Ci)

3.3.2.1.1. V

3.3.2.1.2. Co and Ci

3.3.2.1.3. R

3.3.2.1.4. T

3.3.2.1.5. F

3.3.2.1.6. z

3.3.2.1.7. Ln