CTDSP1, 1-260aa, Human

Catalog
01-P1013
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Proteins, Recombinant
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Product Name CTDSP1, 1-260aa, Human
Background Carboxy-terminal domain, RNA polymerase II, polypeptide A phosphatase 1, also known as CTDSP1, is a class 2C phosphatase with activity dependent on the conserved DxD motif. CTDSP1 preferentially catalyzes the dephosphorylation of 'Ser-5' within the tandem 7 residues repeats in the C-terminal domain (CTD) of the largest RNA polymerase II subunit POLR2A. Also it negatively regulates RNA polymerase II transcription, possibly by controlling the transition from initiation/capping to processive transcript elongation. Recombinant human CTDSP1 protein, fused to His-tag at N-terminus, was expressed in E.coli and purified by using conventional chromatography techniques.
Synonyms Carboxy-terminal domain, RNA polymerase II, polypeptide A phosphatase 1, NLIIF, SCP1, NIF3
Species Human
Amino Acid Sequence MGSSHHHHHH SSGLVPRGSH MDSSAVITQI SKEEARGPLR GKGDQKSAAS QKPRSRGILH SLFCCVCRDD GEALPAHSGA PLLVEENGAI PKTPVQYLLP EAKAQDSDKI CVVIDLDETL VHSSFKPVNN ADFIIPVEID GVVHQVYVLK RPHVDEFLQR MGELFECVLF TASLAKYADP VADLLDKWGA FRARLFRESC VFHRGNYVKD LSRLGRDLRR VLILDNSPAS YVFHPDNAVP VASWFDNMSD TELHDLLPFF EQLSRVDDVY SVLRQPRPGS
Molecular Weight 37.7kDa (342aa), confirmed by MALDI-TOF
Concentration 0.5mg/ml (determined by Bradford assay)
Form Liquid, in 20mM Tris-HCl buffer (pH 8.0) containing 1mM DTT, 10% glycerol, 100mM NaCl
Purity > 90% by SDS-PAGE
Applications SDS-PAGE
NCBI Accession # NP_872580
Host E.coli
Tag His-GST-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 Maiello B., et al. (2001) Front Biosci. 6: 1358-1368.
Palancade B., et al. (2004) J Mol Biol. 335:415-424.

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