>4r4b_B mol:protein length:220 FAB 2.2C HEAVY CHAIN
QVQLQQWGAGLLKPSETLSLTCGVYGESLSGHYWSWVRQPPGKRLEWIGEIKHNGSPNYHPSLKSRVTISLDMSKNQFSLNLTSVTAADTAVYFCARRSNWPYLPFDPWGQGTLVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPK