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| serum protein | molecular weight (kDa) | concentration in serum (mg/mL) | isoelectric point |
|---|---|---|---|
| human serum albumin | 66.5 | 37.20 | 5.4–5.8 |
| immunoglobulin G | 150.0 | 9.17 | 6.6–10.0 (mean 8.3) |
| immunoglobulin A | 385.0 | 1.80 | 4.5–6.8 |
| transferrin | 80.0 | 2.36 | 5.8–6.2 |
