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S1014-96L SNRPB2, Recombinant, Human, aa1-225, His-Tag (U2 snRNP B) CAS:

Specifications
References
Grade
Highly Purified
Accession Number
NP_003083
Molecular Weight
27.6
EU Commodity Code
30021019
Shipping Temp
Blue Ice
Storage Temp
-20°C

SNRPB2, also known as U2 small nuclear ribonucleoprotein B, belongs to the RRM U1 A/B family. This protein associates with stem loop IV of U2 small nuclear ribonucleoprotein (U2 snRNP) in the presence of snRNP-A. It may play a role in pre-mRNA splicing. Autoantibodies from patients with systemic lupus erythematosus frequently recognize epitopes on the encoded protein. Two transcript variants encoding the same protein have been found for this gene.

Source
Recombinant corresponding to aa1-225 from human SNRPB2, fused to His-tag at N-terminus expressed in E.coli.
AA Sequence
MGSSHHHHHH SSGLVPRGSH MDIRPNHTIY INNMNDKIKK EELKRSLYAL FSQFGHVVDI VALKTMKMRG QAFVIFKELG SSTNALRQLQ GFPFYGKPMR IQYAKTDSDI ISKMRGTFAD KEKKKEKKKA KTVEQTATTT NKKPGQGTPN SANTQGNSTP NPQVPDYPPN YILFLNNLPE ETNEMMLSML FNQFPGFKEV RLVPGRHDIA FVEFENDGQA GAARDALQGF KITPSHAMKI TYAKK
Molecular Weight
~27.6kD (245aa), confirmed by MALDI-TOF
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 at least 6 months 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
~90% (SDS-PAGE)
Concentration
~0.1mg/ml
Form
Supplied as a liquid in 20mM Tris-HCl buffer, pH 8.0, 0.1M sodium chloride, 50% 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. Guo JX., et al. (2001) Biophys J. 81(2):630-42. 2. Price S.R., et al. (1998) Nature. 394:645-650.
USBio References
No references available
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