>6t9e_BBB mol:protein length:214 DutaFab mat VL chainAIQMTQSPSSLSASVGDRVTITCHGSYWLSNYLAWYQQKPGKAPKLLIYDGKEREHGVPSRFSGSGSHEDYTLTISSLQPEDFATYYCQQYRYHPYTFGQGTKLEIKRTVAAPSVFIFPPSDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLTLSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC