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Protein pump

Protein pump

- a kind of protein that is capable of pumping out compounds that could pose a threat to the cell. An example is AcrB, a bacterial protein complex that repels a wide range of antibiotics through its ability to capture and pump out a spectrum of structurally diverse compounds. Another example is p-glycoprotein, a versative pump found in the lining of human gut that prevents absorption of saquinavir, one of the new generation of anti-HIV drugs.

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Re: staphylococcus aureus and biofilm formation

... can lead to the modification of the target for the antibiotic usually a protein (but not always) therefore making the antibiotic less effective. Other resistance factors include efflux systems that can pump the antibiotic back out of the cell, alternative metabolic pathways etc

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by stopherlogic
Wed Aug 21, 2013 3:00 pm
Forum: Microbiology
Topic: staphylococcus aureus and biofilm formation
Replies: 3
Views: 5717

Questions on the Sodium Potassium Pump and Enzymes

Although the Sodium Pump is an ATPase, during it's cycle there is a phosphate group being added and taken away from the protein so surely kinase and phosphotase are involved because an ATPase only hydrolyses ATP? Also, we are ...

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by JoWillyTso
Mon Nov 05, 2012 5:50 pm
Forum: Cell Biology
Topic: Questions on the Sodium Potassium Pump and Enzymes
Replies: 3
Views: 4998

Re: Important unknown nanotech within humans

... time. It basically wouldn't stand a chance. Thus the need to really pump support for it on a continual basis, in our foods, water, medicines, ... forms on earth that would compete with it. Every enyzeme, hormone and protein responds to different light frequencies. Then there is the electrical ...

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by SeaPalm
Sat Aug 20, 2011 5:07 pm
Forum: Molecular Biology
Topic: Important unknown nanotech within humans
Replies: 32
Views: 175658

Na,K-ATPase as a pump. Request for Reference(s)

... convincing. Now if I look at Google scholar and type "Na K pump cloning" I can find quite of lot of papers that have identified genes coding for a trans-membrane protein that can cause changes in the composition of the cell cytoplasm of cells when ...

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by canalon
Fri Jan 07, 2011 12:33 am
Forum: Cell Biology
Topic: Na,K-ATPase as a pump. Request for Reference(s)
Replies: 8
Views: 7172

Pls. I need help with my hw

... about active cell membrane transport? A) requires ATP B) It requires a protein pump C) It is transport mechanisms of moving ions from an area of low to high concentration ...

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by mslazy
Sat Oct 09, 2010 8:56 pm
Forum: Physiology
Topic: Pls. I need help with my hw
Replies: 1
Views: 12028
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