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Pi4 is a short toxin found at very low abundance in the venom of Pandinus imperator scorpions. It is a potent blocker of K+ channels. Like the other members of the -KTX6 subfamily to which it belongs, it is cross-linked by four disulfide bonds. The synthetic analog (sPi4) and the natural toxin (nPi4) have been obtained by solid-phase synthesis or from scorpion venom.
What else can I help you with?
What happens to the area of a circle when the radius is doubled?
A=pir2 a=pi2r2 a=pi4 r2 a increases by 4 times
How do you compare the volumes of 6 inch pipe with 4 in pipe?
By calculating the areas of circles with diameters 6 and 4 and comparing those: pi3^2=pi9 pi2^2=pi4 pi9/pi4=9/4=2.25 So the 6 inch pipe holds 2.25 times as much as the 4 inch pipe.
What are the four fundamental numbers?
"It's Fundamental Operations and not fundamental numbers.The four fundamental operations in Mathematics are addition, Subtraction, Multiplication and Division."If i would have to name four fundamental numbers of mathematics I would say:1. number: 0 (zero)2. number: 1 (one)3. number: Pi4. number: Euler's number
What are three ATA hard drive interface standards that do not use a 40-connector hard drive cable?
ATA/ATAPI -4, ATA/ATAPI -5, ATA/ATAPI -6, ATA/ATAPI -7 (SATA)
If f(x) (pi-x) sec2(x) then f'(pi4)?
If that is a product, (pi-x) times (sec squared x), then you can use the product rule for derivatives. For the power, sec squared x, which simply means (sec x) squared, you can use the chain rule.
