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What is the net charge of ATP at pH 7?
At pH 7, ATP has a net charge of -4.
What is the charge of phosphate?
Depends on the pH. At cell pH, phosphate has 3 negative charges. In acidic conditions, it can have zero. At a very high pH, it can have 4.
What is the relationship between pH and pI in terms of their impact on protein charge?
The relationship between pH and pI is that the pH of a solution can affect the charge of a protein, while the pI (isoelectric point) is the pH at which a protein has no net charge. At a pH below the pI, the protein will have a net positive charge, and at a pH above the pI, the protein will have a net negative charge.
What is the charge of lysine in a neutral pH environment?
In a neutral pH environment, the charge of lysine is positive.
The pI of a lysozyme is 11. What is the pH range in which the overall charge of the lysozyme is positive?
At pH values less than the pI point the net charge is positive. If at pH above the pI poiint, the charge will be negative.
What is the charge on the lysine molecule when it is in a solution with a pH of 7?
The charge on the lysine molecule is positive when it is in a solution with a pH of 7.
What is the charge on the perchlorate anion?
The pH depends on the concentration (how much is dissolved in a given volume of water) Since it is a strong monoprotic acid the pH equals the negative logarithm of its molar concentration. A 1M solution has a pH of 0 a .1M solution has a pH of 1 and so on until a pH of about 7.
Net charge of histidine in pH 1 3 5 11?
pK1 = 2.3, pKr = 6, pK2 = 9.7 (all approximate) at physiological pH, histidine has no net charge. at pH 1, below all pKas and charge is +2 at pH 3, amine group proton pops off, so +1 charge at pH 5, still below 6 and above 2.3 so +1 charge if had pH above 6, for instance... at pH of 8 net charge is zero, or neutral... such that it is neutral at physiological pH (a bit above a pH of 7) at pH 11, exceeds all pKas of amine, acid group, and R group. So net charge of -1 amine deprotonation, carboxylic acid deprotonation, and R group deprotonation happen pH 11 because it exceeds all pKs
What is the net charge of phosphatidylserine at pH 6.0?
At pH 6.0, the net charge of phosphatidylserine is -1. This is because the phosphate head group is negatively charged and would be deprotonated at this pH, contributing a net charge of -1 to the molecule.
How can one determine the isoelectric point of a molecule?
The isoelectric point of a molecule can be determined by finding the pH at which the molecule carries no net electrical charge. This can be done by plotting the molecule's charge as a function of pH and identifying the pH at which the charge is zero.
At pH 5.7 what charge would serine have?
At pH 5.7, serine would have a positive charge. This is because the pKa of serine's side chain is around 9.21, so at pH below its pKa, the side chain will be protonated, resulting in a positive charge.
How does a pH of 3 differ from a pH of 4?
A pH of 3 is more acidic than a pH of 4 and a pH of 4 is more alkaline than a pH of 3. The pH balance of a swimming pool is about 7.6 meaning it is neither acidic or alkalinic, it is neutral!
