Table 3.

Dual L-chain spontaneous hybridomas from MRL/lpr-Igkm/h mice

Hybridoma Isot. React. H chaina L chaina 
   VH DH JH CDR3 VL JL CDR3 
Dual-κ/λ          
LN 2A4b IgM Sm VH7-3 (S107) DH1-1 (DFL16.1) JHCARYVTTVPNFDYW (gl) Vκ6-17 (Vκ19/28) Jκ4 CQQHYSTPFTF (gl) 
       Vλ1 Jλ1 CALWYSNHWVF (gl) 
Dual-κ/κ          
LN 2A8c IgG Chr VH1-7 (J558) DH2-3 (DSP2.9) JHCARGWLLRTYW (12 mut) Vκ12-46 (Vκ12/13) Jκ1 CQHFYGTPWTF (7 mut) 
       Vκ2-137 (Vκ24/25) Jκ4 CMQHLEYPFTF (gl) 
Hybridoma Isot. React. H chaina L chaina 
   VH DH JH CDR3 VL JL CDR3 
Dual-κ/λ          
LN 2A4b IgM Sm VH7-3 (S107) DH1-1 (DFL16.1) JHCARYVTTVPNFDYW (gl) Vκ6-17 (Vκ19/28) Jκ4 CQQHYSTPFTF (gl) 
       Vλ1 Jλ1 CALWYSNHWVF (gl) 
Dual-κ/κ          
LN 2A8c IgG Chr VH1-7 (J558) DH2-3 (DSP2.9) JHCARGWLLRTYW (12 mut) Vκ12-46 (Vκ12/13) Jκ1 CQHFYGTPWTF (7 mut) 
       Vκ2-137 (Vκ24/25) Jκ4 CMQHLEYPFTF (gl) 

These two hybridomas were among 816 spontaneous B cell hybridomas generated from nonmanipulated spleen and LN cells of three individual MRL/lpr-Igkm/h mice (a total of six fusions). Isot., isotype; React., reactivity; Sm, Smith antigen; Chr, chromatin; gl, germline sequence; mut, number of predicted somatic mutations in the overall V(D)J sequence based on comparison with IMGT-deposited germline sequences.

a

Ig H and L chain gene segments are reported with the IMGT nomenclature. The old nomenclature is given in parenthesis under the IMGT nomenclature.

b

This hybridoma is representative of many clones (∼80% of the all hybridomas) isolated from both the spleen and LNs in all fusions.

c

This hybridoma was from the fusion of LN cells from one MRL/lpr-Igkm/h mouse.

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