>7fg3_D mol:protein length:132 K-874A VHHAEVQLVESGGGQVETGGSLRLSCQASGSTFSDYVMAWFRQRPGKEREFVATISRNGGTTTYGSSVKGRFTISRDNAKSTVYLQMNSLKPEDTAVYYCYAVGGDGDSWGQGTQVTVSSEPKTPKPQSHHHHHH