Sequences downstream of y regions in the kappa locus 7-mer 9-mer CACAGTG ACARBBACCY (12bp) GCTAGT TCTCCTCOCACAGTGATACAAATCATAACAT AAACCCCATG 6能rR6 CTCCICCEACAGTOATACAAATCACAACAT AAAC园cATG Ala SerSer Pro （12bp) Trp Ser Thr Pro (12bp) TGGAGTACTCCTCCCACAGTGATTCAAGCCATGACAT AAACCATGCA Asn Glu Asp Pro (12bp)-. AATGAGGATCCTCCCACAGTGCTCAGGGCTGAACAAAAACCTCCTAGGGTTGC Ser Gly Tyr Pro （12bp) AGTGGTTACCCATTCACACAGTGCTACATACTGAAACAAAAACACCG (b)K-chain DNA n=-85 LVx1 LVx2 LVin ■…☐ 11-1-￥ 23 2.5 kb kb Kuby Figure 5-3Kuby Figure 5-3