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351445 POLR2I, Recombinant, Human, aa1-125, His-Tag|(DNA-directed RNA polymerase II Subunit RPB9, RPB9) CAS:

Specifications
References
Grade
Purified
Accession Number
NP_006224
Molecular Weight
17
EU Commodity Code
30021019
Shipping Temp
Blue Ice
Storage Temp
-20°C

POLR2I, also known as RPB9, belongs to the archaeal rpoM/eukaryotic RPA12/RPB9/RPC11 RNA polymerase family. This protein is a subunit of RNA polymerase II, the polymerase responsible for synthesizing messenger RNA in eukaryotes. DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. Also it is synthesizes mRNA precursors and many functional non-coding RNAs.

Recombinant protein corresponding to aa1-125 from human PORL2I, fused to His-tag at N-terminal expressed in E. coli.
Molecular Weight
~17kD (148aa)
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSMEPDGTY EPGFVGIRFC QECNNMLYPK EDKENRILLY ACRNCDYQQE ADNSCIYVNK ITHEVDELTQ IIADVSQDPT LPRTEDHPCQ KCGHKEAVFF QSHSARAEDA MRLYYVCTAP HCGHRWTE
Storage and Stability
May be stored at 4°C for short-term only. Aliquot to avoid repeated freezing and thawing. Store at -20°C. Aliquots are stable for 6 months after receipt at -20°C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Source
Recombinant, E. coli
Purity
≥85% (SDS-PAGE)
Concentration
~1mg/ml
Form
Supplied as a liquid in 20mM Tris-HCl, pH 8.0, 0.2M sodium chloride, 1mM DTT, 20% glycerol.
Important Note
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.
References
1. Kershnar E., et al. (1998) J. Biol. Chem. 273:34444-34453
USBio References
No references available
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