Table 1.

The number of unique sequence data derived from the 454 sequencing and IMGT/HighV-QUEST analysis of cord blood IgM libraries

IgM chains	Total V-D-J length>300 nt	Translated V-D-J AA sequences	V region AA sequences	CDR3 AA sequences
IGH	28,825 (13,890)	28,169 (13,803)	13,888 (11,379)	24,188 (12,951)
IGK	25,389 (9,355)	18,928 (8,674)	12,164 (6,731)	2,927 (3,149)
IGL	8,828 (4,873)	5,602 (4,258)	3,948 (3,523)	1,193 (1,220)
Total	63,042 (28,118)	52,699 (26,735)	30,000 (21,633)	28,308 (17,320)

Values within parentheses represent the number of unproductive sequences observed

nt Nucleotide, AA amino acid, IGH heavy chain, IGK light kappa chain, IGL light lambda chain