Fig. 1

Restriction map of pIRES2-EGFP vector and the details of amino acids sequence of ibHLH protein, inserted in the multiple cloning site of pIRES2-EGFP. bHLH basic helix-loop helix, HIF-1a hypoxia inducible factor-1a, Arnt aryl hydrocarbon receptor nuclear translocator, ODD oxygen-dependent degradation, NLS nuclear localization signal