Background:

This gene encodes subunit 1 of the splicing factor 3a protein complex. The splicing factor 3a heterotrimer includes subunits 1, 2 and 3 and is necessary for the in vitro conversion of 15S U2 snRNP into an active 17S particle that performs pre-mRNA splicing. Subunit 1 belongs to the SURP protein family; named for the SURP (also called SWAP or Suppressor-of-White-APricot) motifs that are thought to mediate RNA binding. Subunit 1 has tandemly repeated SURP motifs in its amino-terminal half while its carboxy-terminal half contains a proline-rich region and a ubiquitin-like domain. Binding studies with truncated subunit 1 derivatives demonstrated that the two SURP motifs are necessary for binding to subunit 3 while contacts with subunit 2 may occur through sequences carboxy-terminal to the SURP motifs. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Jul 2008]

Specificity:

splicing factor 3a subunit 1

Alternative names:

PRP21; PRPF21; SAP114; SF3A120

Species reactivity:

Human, Mouse, Rat

Host:

Mouse

Ig type:

PBS (PH 7.3) containing 1% BSA, 50% glycerol and 0.02% sodium azide.

Immunogen:

Human recombinant protein fragment corresponding to amino acids 249-568 of human SF3A1 (NP_005868) produced in E.coli.

Purification & Purity:

Purified from mouse ascites fluids or tissue culture supernatant by affinity chromatography (protein A/G)

Molecular weight:

88.7 kDa(Predicted)

Applications:

IHC, WB

Usage:

WB 1:2000, IHC 1:500

Storage:

PBS (PH 7.3) containing 1% BSA, 50% glycerol and 0.02% sodium azide.

Precautions:

For research use only, not for use in diagnostic procedure.

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