>4u7s_B mol:protein length:133 sdAb A3GSHMEVQLVESGGGLVQAGDSLRLSCTASGRTFSRAVMGWFRQAPGKEREFVAAISAAPGTAYYAFYADSVRGRFSISADSAKNTVYLQMNSLKPEDTAVYYCAADLKMQVAAYMNQRSVDYWGQGTQVTVSS