GATA2 and coronary artery disorder: At the chromosome 9q CAD risk locus, GATA2 (MIM 137295) and KALRN (MIM 604605) have been reported as 2 candidate genes associated with CAD.   10  Wang and colleagues during an in-depth investigation of the 3q chromosome found that an intronic single-nucleotide polymorphism (SNP) rs9289231 of the KALRN gene was related to early-onset CAD.