>6ehx_B|type: multi-domain chain
QVQLVESGGGLVKPGASLKLSCKASGYTFTSYGMHWVRQAPGKGLEWMGGIIPIFGTANYNEKVKGRFTISRDKSKSTAYLQLSSLTSEDTAVYYCARAPGYSNAYYFDYWGQGTLVTVGGGSGGGGSGGGGSDIVMTQSPASLSASLGERVTITCRASEGIYHWLAWYQQKPGQSPKLLIYKASSLASGVPSRFSGSGSGTDFTLTISSLEPEDFATYYCQQYSNYPLTFGGGTKLEIK
