Table 4.

Cross- Reactivity of Anti-HER2 mAbs with Human HER Family Members and Cynomolgus Monkey HER2

mAbs	HER1	HER2	HER3	HER4	HER2 (Cynomolgus)
1F2	-	+	-	-	+
1T0	-	+	-	-	+
2A9	-	+	-	-	+
1H6	-	+	-	-	+
1H9	-	+	-	-	+
2A8	-	+	-	-	+
4C7	-	+	-	-	+
1B5	-	+	-	-	+
Trastuzumab	-	+	-	-	+
Anti-His Ab	+	+	+	+	+

The results represent OD values of <0.2 (-) and >2.0 (+)