1.2.1.36 retinal dehydrogenase EKVX cell - 763529 1.2.1.5 aldehyde dehydrogenase [NAD(P)+] EKVX cell - 763529 3.4.21.107 peptidase Do EKVX cell - 717505 5.6.2.1 DNA topoisomerase EKVX cell nonsmall cell lung cancer cell line 693543