NusA, 1-495aa, Recombinant

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01-2293
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Proteins, Recombinant
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Product Name NusA, 1-495aa, Recombinant
Background NusA is a key component in both Prevention and enhancement of transcriptional termination. It is important in both Rho-dependent and intrinsic termination, as well as in lambda and other phage antitermination systems. The gene was first identified by isolation of the nusAl mutation, which restricts bacteriophage l growth by preventing the antitermination activity of the l N protein. NusA is involved in transcriptional antitermination in the cell. It has been shown to specifically aid in read-through of the RNA polymerase genes rpoB and rpoC, as well as in successful synthesis of the ribosomal RNA genes. Recombinant NusA was expressed in E.coli and purified by using conventional chromatography techniques
Synonyms ECK3158, JW3158, Transcription termination/antitermination L factor, NusA, Transcription termination/antitermination L factor
Species E. coli
Amino Acid Sequence MNKEILAVVE AVSNEKALPR EKIFEALESA LATATKKKYE QEIDVRVQID RKSGDFDTFR RWLVVDEVTQ PTKEITLEAA RYEDESLNLG DYVEDQIESV TFDRITTQTA KQVIVQKVRE AERAMVVDQF REHEGEIITG VVKKVNRDNI SLDLGNNAEA VILREDMLPR ENFRPGDRVR GVLYSVRPEA RGAQLFVTRS KPEMLIELFR IEVPEIGEEV IEIKAAARDP GSRAKIAVKT NDKRIDPVGA CVGMRGARVQ AVSTELGGER IDIVLWDDNP AQFVINAMAP ADVASIVVDE DKHTMDIAVE AGNLAQAIGR NGQNVRLASQ LSGWELNVMT VDDLQAKHQA EAHAAIDTFT KYLDIDEDFA TVLVEEGFST LEELAYVPMK ELLEIEGLDE PTVEALRERA KNALATIAQA QEESLGDNKP ADDLLNLEGV DRDLAFKLAA RGVCTLEDLA EQGIDDLADI EGLTDEKAGA LIMAARNICW FGDEA
Molecular Weight 20.9 kDa (186aa), confirmed by MALDI-TOF.
Concentration 0.5 mg/ml (determined by Bradford assay)
Form Liquid, in 20mM Tris pH 8.0, 20% glycerol, 5mM CaCl2
Purity > 95% by SDS-PAGE
Applications SDS-PAGE
NCBI Accession # AAC76203
Host E.coli
Tag His-tag
Storage Can be stored at +4C short term (1-2 weeks). For long term storage, aliquot and store at -20C or -70C. Avoid repeated freezing and thawing cycles.
Intended Use For Research Use Only
References Carlomagno MS., et al. (2003) Gene. 308:115-28.
Gusarov I., . (2001) Cell. 107(4):437-49.

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