measurements of temperature dependence of transport rate revealed an activation energy of 56.1 kj/mol for actin mrna , while the activation energy for histone-h4-mrna efflux was in the same range as that found for atp-induced release of rna from demembranated nuclei ( about 15-20 kj/mol ) .
C0019648
histone-h4
C0007610
nuclei