>9yq6_B mol:protein length:121 PIV3HN-13 Fab Heavy ChainEVQLLESGGALVQPGGSLRVSCAASGFSFSSYAMSWLRQTPGKGLEWVSAIGGSGHSTYYADSVQGRFTVSRDNSKDTLYLQMNSLRAEDTAVYYCAKFFRSDGVFHFDYWGPGNPGSPSP