>1aif_A mol:protein length:215 ANTI-IDIOTYPIC FAB 409.5.3 (IGG2A) FAB (LIGHT CHAIN) DIQLTQSPAFMAASPGEKVTITCSVSSSISSSNLHWYQQKSETSPKPWIYGTSNLASGV PVRFSGSGSGTSYSLTISSMEAEDAATYYCQQWNSYPYTFGGGTKLEIKRADAAPTVSI FPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMS STLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRNEC