Table 1.

Characteristics of CDR1 and CDR2 in the variable regions of bovine, mouse and human light chains

	cattle	mouse	man
lambda chain variable region
CDR1 length (amino acids)	6,8,9	7,8,9	6,7,8,9
CDR2 length (amino acids)	3,7	3,7	3,7
unique IGLV CDR1/CDR2 pairs	19	8	37
kappa chain variable region
CDR1 length (amino acids)	6,10,11	5,6,7,10,11,12	6,7,10,11,12
CDR2 length (amino acids)	3	3	3
unique IGKV CDR1/CDR2 pairs	5	94	27

The data on human and murine immunoglobulins are from IMGT database [20].