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Isoelectric points for some proteins |
| Protein |
pI(-COOH) |
Protein(-NH3+) |
pI |
| α-Casein |
4.1 |
Lysozyme |
11.1 |
| β-Casein |
4.5 |
Myoglobin |
7.0 |
| γ-Casein |
5.9 |
Myosin-A |
~5.3 |
| Collagen |
~6.7 |
Ovalbumin |
4.6 |
| Cytochrome-c |
~10.0 |
Pepsin |
~1.0 |
| Fibrinogen |
~5.7 |
Rhodopsin |
4.5 |
| Haemoglobin (human) |
7.1 |
Salmine |
12.1 |
| Insulin |
5.4 |
Serum albumin |
4.8 |
| Taken from Pethig p.76 |
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