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Table 3 Comparison of the amino acid composition of different collagen preparations

From: Processing of collagen based biomaterials and the resulting materials properties

Source Bovine Rat Porcine Equine Human Bovine Bovine Rat Bovine Bovine Bovine
Tissue Skin Tail Skin Tendon Meniscus Pericardb Skina Taila Skina In silicoa In silicoa
Preparation Soluble Soluble Soluble Dispersion Solid Solid Solublec Soluble ? Type I Type III
Asx 49 52 48 47 50 52 37 35 46 44 49
Hyp 92 91 81 90 88 99 95 91 89 104 139
Thr 19 23 19 19 18 17 16 21 19 18 13
Ser 34 40 31 33 32 30 32 39 34 35 44
Glx 82 84 75 79 76 68 67 68 78 72 69
Pro 122 115 130 131 112 113 131 121 131 115 95
Gly 309 302 321 331 316 321 340 332 318 330 348
Ala 109 105 112 92 115 102 107 105 103 114 86
Val 22 24 25 24 24 25 22 26 24 22 14
Met 7 7 7 8 9 5 6 7 7 6 9
Ile 14 13 12 12 15 15 12 12 12 11 14
Leu 29 30 29 27 30 34 23 27 26 25 15
Tyr 5 6 4 4 6 7 2 3 5 4 4
Phe 14 15 14 15 15 17 11 11 17 12 9
Hyl 8 8 6 10 11 8 13 12 6 6 5
Lys 30 30 30 23 24 28 27 27 24 28 31
His 5 6 5 6 7 8 5 5 5 4 8
Arg 51 50 51 52 50 51 55 55 52 51 47
Cys        1 1 2 0 2
  1. a[505]
  2. b [506]; others: own measurements
  3. c pepsine soluble