>7fbi_M mol:protein length:110 3A5 light chainALVMTQTPSSVSEPVGGTVTIKCQASQSISSYLAWYQRKPGQRPKLLIYGTSTLASGVPSRFIGSGSGTDYTLTISDLECDDAATYYCQQGFSTSNVYNSFGGGTKVDIK