PAF1 Polyclonal Antibody

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Cat.No.:  EAb-1878
Product Name:  PAF1 Polyclonal Antibody
Antibody Type:  Polyclonal
Immunogen:  This antibody was raised against a peptide within human PAF1.
Host:  Rabbit
Isotype:  IgG
Molecular Weight:  65 kDa
Purification:  Affinity Purified
Appearance:  Liquid
Formulation:  Purified IgG in PBS with 30% glycerol and 0.035% sodium azide.
Applications:  WB: 1:500 - 1:2,000 dilution^Recommended dilutions/conditions may not be available for all applications. Specific conditions for reactivity should be optimized by the end user.
Species Reactivity:  Human
Storage:  -20°C
Warning:  For Research Use Only! Not For Use in Humans.
Scientific Background:  PAF1 (RNA polymerase II-associated factor 1 homolog) is a component of the PAF1 complex (PAF1C) which has multiple functions during transcription by RNA polymerase II and is implicated in regulation of development and maintenance of embryonic stem cell pluripotency. PAF1C associates with RNA polymerase II through interaction with POLR2A CTD non-phosphorylated and 'Ser-2'- and 'Ser-5'-phosphorylated forms and is involved in transcriptional elongation, acting both indepentently and synergistically with TCEA1 and in cooperation with the DSIF complex and HTATSF1. PAF1C is required for transcription of Hox and Wnt target genes. PAF1C is involved in hematopoiesis and stimulates transcriptional activity of KMT2A/MLL1; it promotes leukemogenesis through association with KMT2A/MLL1-rearranged oncoproteins, such as KMT2A/MLL1-MLLT3/AF9 and KMT2A/MLL1-MLLT1/ENL. PAF1C is involved in histone modifications such as ubiquitination of histone H2B and methylation on histone H3 'Lys-4' (H3K4me3). PAF1C recruits the RNF20/40 E3 ubiquitin-protein ligase complex and the E2 enzyme UBE2A or UBE2B to chromatin which mediate monoubiquitination of 'Lys-120' of histone H2B (H2BK120ub1); UB2A/B-mediated H2B ubiquitination is proposed to be coupled to transcription. PAF1C is involved in mRNA 3' end formation probably through association with cleavage and poly(A) factors. In case of infection by influenza A strain H3N2, PAF1C associates with viral NS1 protein, thereby regulating gene transcription. Connects PAF1C with the RNF20/40 E3 ubiquitin-protein ligase complex. Involved in polyadenylation of mRNA precursors. Has oncogenic activity in vivo and in vitro.

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For Research Use Only. Not for use in diagnostic or therapeutic procedures.
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