Immunogen sequence: MLEQQILAYK DDFMSERADR ERAQSRIQEL EEKVASLLHQ VSWRQDSREP DAGRIHAGSK TAKYLAADAL ELMVPGGWRP Highest antigen sequence identity to the following orthologs: Mouse - 79%, Rat - 81%. TNFAIP3, also known as A20, is located in chromosome band 6q