. "This repeat is found in the CagY proteins - part of the CAGpathogenicity island - and involved in delivery of the protein CagA into host cells ([1]). It forms part of a surface needle structure, and this repeat may form an alpha-helical rod structure ([1]). A conserved -DC- and -EC- can be seen in regularly spaced in the alignment. " . "CagY_M" . "DC-EC Repeat" . "Yeats C" . "Repeat" . . . . . . . . . . . . . .