Table 1.

Calculated masses, isoelectric points, and molar extinction coefficients of the proteins studied

ProteinMolecular weight (kDa)pIExtinction coefficient (mol/L−1 cm−1 at 280 mm)
11wild-type16.827.7613,650
11E1544K16.828.4513,650
11I1572A16.777.7613,650
11wild-type-Fc88.068.0294,420
11E1544K88.068.3694,420
11I1572A87.988.0294,420
  • Abbreviation: pI, isoelectric point.