Eker, A.P.M.

photolyase protein repair clock tfiih light figure substrate xpc-hr 23b lesion activity circadian absorption reaction hmms 19 antibody effect thymine enzyme transcription study xpc-hr photoreactivation dna photolyase damage electron cryptochrome dimers function pyrimidine analysis chromophore transfer factor expression structure mouse experiment presence cc-phr group sequence photoreactivating yeast r e p dimer cry 1 hhr 23 proteins result animal i r 7 spectrum fadh ∘ binding circadian clock hhr 23a baculoviru fluorescence fraction electron transfer state phr 2 subunit sancar mechanism hoeijmaker ptcpd-pl research nature genome acids research localization wild-type flavin uv-induced /bmal cc-phr 2 photolyase clock /bmal transcription nucleotide excision repair excision