GABBR2 and malignant colon neoplasm: A later study in a familial form of colon cancer also was able to zoom in to a region around 9q22.2-31.2, in which aside the gene of HABP4 only three other genes are found [4], which seem to be less likely candidates for oncoproteins or tumor suppressors (ZNF367, GABBR2 and GALNT12).