Table 1.

Productivities of lead clones for each of the four IgM variants in a fed-batch process

Clone (g/L)	IgM expressed	Titer
PAT1A-089	SM-6 (J−)	1.6
PAT1A-130	SM-6 (J−)	1.1
PAT2A-528	SM-6 (J+)	0.9
PAT2A-450	SM-6 (J+)	1.3
PAT3A-008	LM-1	1.0
PAT4A-027	CM-1	2.3
PAT4B-064	CM-1	2.2