>7xst_K mol:protein length:110 D2 light chainQSVLTQPPSVSAAPGQKVAISCSGSTSNIGDNFVSWYQQFPGTAPKLLLYDDARRPSGIPDRFSGSKSGTSATLGITGLQTGDEAVYFCSTWDNSLNVVLFGGGTKLTVL