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Differences in selected molecular properties of caseins
| Fraction | Molecular weight (kDa) | Length of chain (aa) | Number of cysteine residues in chain | Number of phosphoserine residues in chain |
|---|---|---|---|---|
| αS1 | 24.5 | 214 | 1 | 9 |
| αS2 | 26.0 | 222 | 3 | 10 |
| β | 25.1 | 224 | 1 | 4–5 |
| κ | 21.3 | 190 | 2 | 2 |
