German, M S; Blanar, M A; Nelson, C et al. (1991) Two related helix-loop-helix proteins participate in separate cell-specific complexes that bind the insulin enhancer. Mol Endocrinol 5:292-9 |
Meister, A; Weinrich, S L; Nelson, C et al. (1989) The chymotrypsin enhancer core. Specific factor binding and biological activity. J Biol Chem 264:20744-51 |