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The isoelectric point (pI, pH(I), IEP), is the pH at which a molecule carries no net electrical charge or is electrically neutral in the statistical mean. The standard nomenclature to represent the isoelectric point is pH(I). [1] However, pI is also used. [2] For brevity, this article uses pI.
Most commonly found are calcium lactate crystals, especially on younger cheese, on the surface, and on cheddar. Depending on the cheese and its age, these crystals can consist of either or both enantiomers. [1] For grana padano, grainy amino acid crystals inside the cheese consisting mainly of tyrosine and of leucine and isoleucine have been ...
The LRRN3 protein is 708 amino acids in length. The molecular weight of this protein is 79,424 daltons, with an isoelectric point of 8.02. [9] It is known to be a single-pass type I membrane protein because it spans the membrane once, with its N-terminus on the extracellular side of the membrane, and its signal sequence is removed.
The isoelectric point of casein is 4.6. Since milk's pH is 6.6, casein has a negative charge in milk. The purified protein is water-insoluble. While it is also insoluble in neutral salt solutions, it is readily dispersible in dilute alkalis and in salt solutions such as aqueous sodium oxalate and sodium acetate.
Leucine (symbol Leu or L) [3] is an essential amino acid that is used in the biosynthesis of proteins.Leucine is an α-amino acid, meaning it contains an α-amino group (which is in the protonated −NH 3 + form under biological conditions), an α-carboxylic acid group (which is in the deprotonated −COO − form under biological conditions), and a side chain isobutyl group, making it a non ...
It has a predicted MW of 17.8 kDa and isoelectric point of 5.7 pI. [9] LSMEM2 is predicted to have one transmembrane region which is composed of 50% leucine and considered leucine rich. [10] The N-terminus is predicted to be the cytosolic/intracellular region of the protein, while the C-terminus is predicted as the lumenal/extracellular region ...
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Leucine rich repeat containing 40 (LRRC40) ... LRRC40 is a 602 amino acid protein with a molecular weight of 68.254 kDa and an isoelectric point of 6.04. [28]