Sequence of this protein is as follows: KNCSVSSTNA NDITQSLTGK GNDSEEEMRF QEVFMEHMSN MEKRIQHILD MEANLMDTEH FQNFSMTTDQ RFNDILLQLS TLFSSVQGHG NAIDEISKSL ISLNTTLLDL QLNIENLNGK IQENTFKQQE EISKLEERVY NVSAEIMAMK EEQVHLEQEI KGEVKVLNNI TNDLRLKDWE HSQTLRNITL. CD20