Table 4.2 Properties of some milk proteins(modified from Walstra and Jenness, 1984) Caseins whey proteins -B 8P 11P A2 5P b iP la.B Molecular weigh 23614 23983 19023° Residues/molecule 207 169 5.1 mol residues Net charge/residue Distributio Uneven Very Very un 10.5 95 66Table 4.2 Properties of some milk proteins (modified from Walstra and Jenness, 1984) Property Caseins Whey proteins Serum u,,-B 8P GL.~-A 11P p-A’ 5P K-B 1P u-la-B P-10-B albumin Molecular weight 23 614 25 230 23 983 19 023” 14 176 18 363 66 267 Residues/molecule Amino acids 199 207 209 169 123 162 582 Proline 17 10 35 20 2 8 34 Cysteine 0 2 0 2 8 5 35 Intramolecular disulphide 0 0 0 0 4 2 17 0 0 0 Phosphate 8 11 5 1 0 Carbohydrate 0 0 0 Hydrophobicity (kJ/residue) 4.9 4.7 5.6 5.1 4.7 5.1 4.3 mol YO residues 34 36 23 21 28 30 34 Net charge/residue -0.10 - 0.07 -0.06 -0.02’ - 0.02 - 0.04 - 0.02 Distribution Uneven Uneven Very uneven Very uneven Even Even bonds b e d Charge A,,, 10.1 14.0’ 4.5 10.5 20.9 9.5 6.6 “Exclusive of carbohydrate residues. bVariable, see text. ‘A small fraction of the molecules. eAverage. except for a rare variant (Dr). ’A29l.l