Recombinant Human Negative elongation factor B(NELFB),partial

Recombinant Human Negative elongation factor B(NELFB),partial

CSB-RP037654h
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Size: 200ug. Other sizes are also available. Please Inquire.

In Stock: No

Lead time: 10-20 working days

Research Topic: Transcription

Uniprot ID: Q8WX92

Gene Names: NELFB

Organism: Homo sapiens (Human)

AA Sequence: LGVANGEDLKETLTNCTEPLKAIEQFQTENGVLLPSLQSALPFLDLHGTPRLEFHQSVFDELRDKLLERVSAIASEGKAEERYKKLEDLLEKSFSLVKMPSLQPVVMCVMKHLPKVPEKKLKLVMADKELYRACAVEVKRQIWQDNQALFGDEVSPLLKQYILEKESALFSTELSVLHNFFSPSPKTRRQGE

Expression Region: 8-199aa

Sequence Info: Partial

Source: E.coli

Tag Info: N-terminal GST-tagged

MW: 48.9 kDa

Alternative Name(s): Cofactor of BR;CA1

Relevance: Essential component of the NELF complex, a complex that negatively regulates the elongation of transcription by RNA polymerase II. The NELF complex, which acts via an association with the DSIF complex and causes transcriptional pausing, is counteracted by the P-TEFb kinase complex. May be able to induce chromatin unfolding.

Reference: BRCA1-induced large-scale chromatin unfolding and allele-specific effects of cancer-predisposing mutations.Ye Q., Hu Y.-F., Zhong H., Nye A.C., Belmont A.S., Li R.J. Cell Biol. 155:911-921(2001)

Purity: Greater than 90% as determined by SDS-PAGE.

Storage Buffer: Tris-based buffer,50% glycerol

Storage: The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself. Generally, the shelf life of liquid form is 6 months at -20℃/-80℃. The shelf life of lyophilized form is 12 months at -20℃/-80℃.

Notes: Repeated freezing and thawing is not recommended. Store working aliquots at 4℃ for up to one week.

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