>sp|P01661|KV3A9_MOUSE Ig kappa chain V-III region MOPC 63 OS=Mus musculus OX=10090 PE=1 SV=1
METDTLLLWVLLLWVPGSTGNIVLTQSPASLAVSLGQRATISCRASESVDSYGNSFMHWY
QQKPGQPPKLLIYLASNLESGVPARFSGSGSRTDFTLTIDPVEADDAATYYCQQNNEDPW
TFGGGTKLEIK