>4grw_J mol:protein length:126 Nanobody 37D5 EVQLVESGGGLVQPGGSLRLSCAASGFTLDYLAIGWFRQAPGKEREGVSCVSSSGQYTY YADSVKGRFTISRDNAESTVYLQMNSLKPEDTAVYYCATDPECYRVRGYYNGEYDYWGQ GTQVTVSS