IMGT amino acid positions:

1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30	31	32	33	34	35	36	37	38	39	40	41	42	43	44	45	46	47	48	49	50	51	52	53	54	55	56	57	58	59	60	61	62	63	64	65	66	67	68	69	70	71	72	73	74	75	76	77	78	79	80	81	82	83	84	85	86	87	88	89	90	91	92	93	94	95	96	97	98	99	100	101	102	103	104	105	106	107	108	109	110	111	112	113	114	115	116	117	118	119	120	121	122	123	124	125	126	127	128
E	V	Q	L	V	V	S	G	G	-	D	L	V	K	P	G	G	S	L	K	L	S	C	A	A	S	G	F	T	F	-	-	-	-	S	S	Y	G	M	S	W	V	R	Q	T	P	D	K	R	L	E	W	V	A	T	I	S	N	S	-	-	G	S	Y	T	Y	Y	P	D	S	V	K	-	G	R	F	T	I	S	R	D	N	A	K	N	T	L	Y	L	Q	M	S	S	L	K	S	E	D	T	A	M	Y	Y	C	A	L	E	D	A	Y	-	-	E	G	F	A	Y	W	G	Q	G	T	L	V	T	V	S	A
HFR1																										CDR-H1												HFR2																	CDR-H2										HFR3																																							CDR-H3													HFR4

Residues	Region	Sequence Fragment	Length	Max Index Range
1-26	HFR1	EVQLVVSGGDLVKPGGSLKLSCAAS	25	26
27-38	CDR-H1	GFTFSSYG	8	12
39-55	HFR2	MSWVRQTPDKRLEWVAT	17	17
56-65	CDR-H2	ISNSGSYT	8	10
66-104	HFR3	YYPDSVKGRFTISRDNAKNTLYLQMSSLKSEDTAMYYC	38	39
105-117	CDR-H3	ALEDAYEGFAY	11	13
118-128	HFR4	WGQGTLVTVSA	11	11