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Merck
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Key Documents

SRP2104

Sigma-Aldrich

Arginine Splicing Factor, His tagged human

recombinant, expressed in insect cells, ≥85% (SDS-PAGE)

Sinónimos:

ASF, FLJ53078, MGC5228, SF2, SF2p33, SFRS1, SRp30a

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About This Item

UNSPSC Code:
12352202
NACRES:
NA.26

biological source

human

recombinant

expressed in insect cells

assay

≥85% (SDS-PAGE)

form

frozen liquid

mol wt

~29.3 kDa

packaging

pkg of 5 μg

storage condition

avoid repeated freeze/thaw cycles

concentration

350 μg/mL

color

clear
 colorless

NCBI accession no.

NM_006924

UniProt accession no.

Q07955

shipped in

dry ice

storage temp.

−70°C

Gene Information

human ... SRSF1(6426)

Biochem/physiol Actions

ASF also known as SF2 is a member of the SR protein family. It is an essential pre-mRNA splicing factor required for both single and alternative splicing. Phosphorylation on serine residues located within the SR domain directly regulates ASF/SF2 activity and compartmentalization of other SR splicing factors. In addition to interacting with RNA and other splicing factors, such as U1-70K, U2AF and other SR proteins, ASF/SF2 also directly or indirectly interacts with HIV regulatory protein Rev, the C-terminal domain (CTD) of the largest subunit of RNA polymerase II, and numerous transcription factors, thereby suggesting a potential role of ASF/SF2 in coordinating transcription and pre-mRNA splicing.

Physical form

Clear and colorless frozen liquid solution

Preparation Note

Use a manual defrost freezer and avoid repeated freeze-thaw cycles. While working, please keep sample on ice.

Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

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H Ge et al.
Cell, 62(1), 25-34 (1990-07-13)
SV40 early pre-mRNA is alternatively spliced by utilization of two different 5' splice sites and a shared 3' splice site to produce large T and small t mRNAs. The ratio of small t to large T mRNAs produced in human
A R Krainer et al.
Cell, 66(2), 383-394 (1991-07-26)
SF2 is a protein factor essential for constitutive pre-mRNA splicing in HeLa cell extracts and also activates proximal alternative 5' splice sites in a concentration-dependent manner. This latter property suggests a role for SF2 in preventing exon skipping, ensuring the
A M Zahler et al.
Genes & development, 6(5), 837-847 (1992-05-01)
We demonstrate that four different proteins from calf thymus are able to restore splicing in the same splicing-deficient extract using several different pre-mRNA substrates. These proteins are members of a conserved family of proteins recognized by a monoclonal antibody that

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