>5tok_E mol:protein length:131 Single-domain antibody F-VHH-L66QVQLQESGGGLVQPGGSLRLSCAASGFTLDYYYIGWFRQAPGKEREGVSCISSSHGSTYYADSVKGRFTISRDNAKNTVYLQMNSLKPEDTAVYYCATVAVAHFRGCGVDGMDYWGKGTQVTVSSHHHHHH