Table 1.

4,4′-MDI HSA derived lysine amino acid and peptide adducts. Underlined lysine (K) indicates the site of MDI adduction.

HSA site of adduction	MDI adducted amino acid or peptide	MW (g/mol)
Any, non-specific	K	371.11
236	AFKAWAVAR	1242.67
413	YTK	634.22
414	KVPQVSTPTLVEVSR	1862.93
413	KKVPQVSTPTLVEVSR	2255.14
414	KKVPQVSTPTLVEVSR	2255.14
549	KQTALAELVK	1323.66