Table 1. CDR Sequence alignment of Herceptin and bH1 variants.

	Light Chain																	Heavy Chain
	28	29	30	30a	30b	30c	30d	31	32	50	51	52	53	91	92	93	94	30	31	32	33	50	51	52	52a	53	54	55	56	57	58	95	96	97	98	99	100
Herceptin	D	V	N	.	.	.	.	T	A	S	A	S	F	H	Y	T	T	K	D	T	Y	R	I	Y	P	T	N	G	Y	T	R	W	G	G	D	G	F
bH1		I	P	R	S	I	S	G	Y	W	G		Y
bH1-81	N	I	A	K	T	I	S	G	Y	W	G					S	S
bH1-44	N	I	A	K	T	I	S	G	Y	W	G					S	S	S	G							S	E						V		V

Information tabulated based on [22].

Light chain and heavy chain CDR residues of bH1 and variants that differ from Herceptin are shown.