Schematic representation of various types of deletions or insertions among the CagA isolated from WB, India. The segments deleted or inserted are mentioned along with the arrows. The regions where the insertions have occurred are shown in bold and larger front. For type 2 and type 4 CagA, the V1Y2 motifs were inserted within Y1 and I1 and shown in bold, larger front size and also with underscore. As shown in the diagram, almost all the types could be converted to the other types with the occurrence of insertions or deletions.