Immunogen sequence: KTGAPKGSRF THSEKFTFHL EPQAQATQVS DVPATSRRPE QVTWAAQEQE LESLREQLEG VNRSIEEVEA DMKTLGVSFV QAESECRHSK LSTA Antigen sequence identity: Mouse 78%; Rat 73%. CCDC22 is a recently identified coiled-coil domain-containing protein that has been