Amino acid composition of von Willebrand factor–cleaving protease
| Amino acid . | No. residues/100 residues . | |||
|---|---|---|---|---|
| 150 kd . | 140 kd . | 130 kd . | 110 kd . | |
| Asx | 6.7 | 7.0 | 7.4 | 8.3 |
| Glx | 12.2 | 12.0 | 12.8 | 11.8 |
| Ser | 8.4 | 8.9 | 8.8 | 9.2 |
| Gly | 11.8 | 12.1 | 12.1 | 12.9 |
| His | 2.5 | 2.3 | 2.5 | 2.4 |
| Arg | 8.3 | 7.6 | 8.1 | 7.2 |
| Thr | 5.6 | 5.5 | 5.6 | 5.7 |
| Ala | 10.1 | 9.5 | 9.6 | 8.2 |
| Pro | 8.9 | 8.5 | 8.3 | 8.1 |
| Tyr | 2.1 | 2.7 | 2.3 | 2.4 |
| Val | 7.0 | 6.9 | 6.7 | 6.5 |
| Ile | 2.7 | 2.9 | 2.6 | 3.0 |
| Leu | 10.0 | 9.9 | 9.1 | 9.7 |
| Phe | 2.6 | 2.8 | 2.6 | 3.2 |
| Lys | 1.0 | 1.3 | 1.3 | 1.4 |
| Amino acid . | No. residues/100 residues . | |||
|---|---|---|---|---|
| 150 kd . | 140 kd . | 130 kd . | 110 kd . | |
| Asx | 6.7 | 7.0 | 7.4 | 8.3 |
| Glx | 12.2 | 12.0 | 12.8 | 11.8 |
| Ser | 8.4 | 8.9 | 8.8 | 9.2 |
| Gly | 11.8 | 12.1 | 12.1 | 12.9 |
| His | 2.5 | 2.3 | 2.5 | 2.4 |
| Arg | 8.3 | 7.6 | 8.1 | 7.2 |
| Thr | 5.6 | 5.5 | 5.6 | 5.7 |
| Ala | 10.1 | 9.5 | 9.6 | 8.2 |
| Pro | 8.9 | 8.5 | 8.3 | 8.1 |
| Tyr | 2.1 | 2.7 | 2.3 | 2.4 |
| Val | 7.0 | 6.9 | 6.7 | 6.5 |
| Ile | 2.7 | 2.9 | 2.6 | 3.0 |
| Leu | 10.0 | 9.9 | 9.1 | 9.7 |
| Phe | 2.6 | 2.8 | 2.6 | 3.2 |
| Lys | 1.0 | 1.3 | 1.3 | 1.4 |
Four unreduced polypeptide bands from SDS-PAGE of purified vWF-cp with Mr 150, 140, 130, and 110 kd were analyzed.