>2b1a_L mol:protein length:215 Fab 2219, light chainQSVLTQPPSASGTPGQRISISCSGTSSNVENNYVYWYQHLPGTAPKLLIYRNDHRSSGIPDRFSASKSGTSASLAISGLRPEDEGDYYCAAWDDSRGGPDWVFGGGTKLTVLAQPKAAPSVTLFPPSSEELQANKATLVCLISDFYPGAVTVAWKADSSPVKAGVETTTPSKQSNNKYAASSYLSLTPEQWKSHKSYSCQVTHEGSTVEKTVAPT