>4f9l_D mol:protein length:259 20.1 anti-BTN3A1 antibody fragment DIVLTQSPSSLSASLGDTITITCHASQNINLWLSWYQQRPGNIPKLLIYRASNLHTGVP SRFSGSGSATGFTLTISSLQPEDIATYYCQQGHSYPYTFGGGTKLDIKRADAGGGGSGG GGSGGGGSGGGGSQVQLQESGAELVKPGASVKLSCKASGYTFTRYYLYWVKQRPGQGLE WIGEINPNNGGTKFNEKFKSKATLTVDKSSRTTYIQLSSLTSEDSAVYYCSREDDYDGT PDAMDYWGQGTAVTVSSAASGAD