Elsevier Inc. RNA polymerase II_term TFIIS TFIIF_elong CF Im CPSF complex Rngtt CBC complex P-TEFb complex DSIF NELF complex TFIIF Xrn2 Paf1 complex Mediator complex SEC complex TFIIE pol II CTD players ---> RNA polymerase II transcription termination pathway 3'-end pre-mRNA processing pathway <--> RNA polymerase II transcription termination pathway pol II CTD players ---> 5'-end pre-mRNA capping pathway pol II CTD players ---> RNA polymerase II transcription elongation pathway pol II CTD players ---> RNA polymerase II transcription initiation pathway RNA polymerase II transcription elongation pathway <--> spliceosome pathway RNA polymerase II_init ---- TFIIE Mediator complex ---> RNA polymerase II_term Mediator complex ---> 3'-end pre-mRNA processing pathway Mediator complex ---> spliceosome pathway Mediator complex ---> chromatin modification/remodeling pathway RNA polymerase II_elong ---- TFIIF_elong TFIIS ---> RNA polymerase II_elong Mediator complex ---> RNA polymerase II_elong P-TEFb complex ---- SEC complex Mediator complex ---- SEC complex DSIF ---- NELF complex P-TEFb complex ---> NELF complex FACT complex ---- Paf1 complex NELF complex ---- RNA polymerase II_elong CPSF complex ---- CstF complex CstF complex ---- RNA polymerase II_term SAGA complex ---> RNA polymerase II_init Gtf2b ---- RNA polymerase II_init Mediator complex ---> RNA polymerase II_init TFIIE ---- TFIIH complex TFIIH complex ---> RNA polymerase II_init RNA polymerase II_init ---- TFIIF P-TEFb complex ---> DSIF P-TEFb complex ---> RNA polymerase II_elong CF IIm ---- CstF complex Xrn2 ---> RNA polymerase II_term CF IIm ---- RNA polymerase II_term CstF complex SAGA complex TFIIH complex RNA polymerase II_elong CF IIm chromatin modification/remodeling pathway RNA polymerase II transcription elongation pathway RNA polymerase II transcription termination pathway RNA polymerase II transcription initiation pathway pol II CTD players FACT complex Paf1 complex ---- SEC complex DSIF ---- Rngtt spliceosome pathway RNA polymerase II_init Gtf2b TFIID complex Gtf2b ---- TFIID complex TFIIA ---- TFIID complex TFIIA Dxo pol II CTD players ---> 3'-end pre-mRNA processing pathway 5'-end pre-mRNA capping pathway 3'-end pre-mRNA processing pathway