Anti-MED14 Antibody Picoband®

Mediator of RNA polymerase II transcription subunit 14 is an enzyme that in humans is encoded by the MED14 gene. The activation of gene transcription is a multistep process that is triggered by factors that recognize transcriptional enhancer sites in DNA. These factors work with co-activators to transcriptional initiation by the RNA polymerase II apparatus. The protein encoded by this gene is a subunit of the CRSP (cofactor required for SP1 activation) complex, which, along with TFIID, is required for efficient activation by SP1. This protein is also a component of other multisubunit complexes e.g. thyroid hormone receptor- (TR-) associated proteins which interact with TR and facilitate TR function on DNA templates in conjunction with initiation factors and cofactors. This protein contains a bipartite nuclear localization signal. This gene is known to escape chromosome X-inactivation.

Mediator of RNA polymerase II transcription subunit 14; Activator-recruited cofactor 150 kDa component; ARC150; Cofactor required for Sp1 transcriptional activation subunit 2; CRSP complex subunit 2; Mediator complex subunit 14; RGR1 homolog; hRGR1; Thyroid hormone receptor-associated protein complex 170 kDa component; Trap170; Transcriptional coactivator CRSP150; Vitamin D3 receptor-interacting protein complex 150 kDa component; DRIP150; MED14; ARC150, CRSP2, CXorf4, DRIP150, EXLM1, RGR1, TRAP170

Component of the Mediator complex, a coactivator involved in the regulated transcription of nearly all RNA polymerase II-dependent genes. Mediator functions as a bridge to convey information from gene-specific regulatory proteins to the basal RNA polymerase II transcription machinery. Mediator is recruited to promoters by interactions with regulatory proteins and serves as a scaffold for the assembly of a functional preinitiation complex with RNA polymerase II and the general transcription factors.

1. Ryu S, Zhou S, Ladurner AG, Tjian R (Feb 1999) . The transcriptional cofactor complex CRSP is required for activity of the enhancer-binding protein Sp1. Nature. 397 (6718) : 446–50. 2. Yoshikawa H, Fujiyama A, Nakai K, Inazawa J, Matsubara K (Aug 1998) . Detection and isolation of a novel human gene located on Xp11.2-p11.4 that escapes X-inactivation using a two-dimensional DNA mapping method. Genomics. 49 (2) : 237–46.

Store at -20°C for one year from date of receipt. After reconstitution, at 4°C for one month. It can also be aliquotted and stored frozen at -20°C for six months. Avoid repeated freeze-thaw cycles.