Negative acting HLH proteins Id 1, Id 2, Id 3, and Id 4 are expressed in prostate epithelial cells.
Chaudhary J, Schmidt M, Sadler-Riggleman I. Negative acting HLH proteins Id 1, Id 2, Id 3, and Id 4 are expressed in prostate epithelial cells. Prostate. 2005 Aug 01; 64(3):253-64.