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Spliceosome

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By Targets:	ADC Cytotoxin (1) Apoptosis (2) DNA/RNA Synthesis (1) E1/E2/E3 Enzyme (1) SF3B1 (2)
By Research Areas:	Cancer (10) Cardiovascular Disease (1)

10

Inhibitors & Agonists

3

Natural
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5

Recombinant Proteins

2

Antibodies

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-16212

FR901464

Others Cancer

FR901464 is a potent spliceosome inhibitor with prominent anti-tumor and anti-cancer effects .

Thailanstatin A	ADC Cytotoxin	Cancer
Thailanstatin A is an ultra-potent inhibitor of eukaryotic RNA splicing (IC₅₀=650 nM). Thailanstatin A exerts effects via non-covalent binding to the SF3b subunit of the U2 snRNA subcomplex of the spliceosome and shows low-nM to sub-nM IC₅₀s against multiple cancer cell lines. Thailanstatin A, a payload for ADCs, is conjugated to the lysines on trastuzumab yielding “linker-less” ADC .

Herboxidiene GEX1A	DNA/RNA Synthesis	Cancer
Herboxidiene (GEX1A) is a potent phytotoxic polyketide from Streptomyces sp. A7847 with a diverse range of activities, including herbicidal, anti-cholesterol, anti-tumor effects. Herboxidiene inhibits the pre-mRNA splicing process by binding to spliceosome-associated protein (SAP) 155, a subunit of SF3b, in the splicesome .

18-Deoxyherboxidiene RQN-18690A	Others	Cardiovascular Disease Cancer
18-Deoxyherboxidiene (RQN-18690A) is a potent angiogenesis inhibitor. 18-Deoxyherboxidiene targets SF3b, a spliceosome component that is a subcomplex of the U2 small nuclear ribonucleoprotein (snRNP) in the spliceosome. 18-Deoxyherboxidiene inhibits the migration and tube formation of human umbilical vein endothelial cells (HUVECs) without significant cell toxicity. 18-Deoxyherboxidiene has the potential for cancer research .

NSC 194308	Others	Cancer
NSC 194308, a U2AF2-RNA complexes enhancer, increases association of the U2AF1-U2AF2-SF1-splice site RNA complex by binding a site between the U2AF2 RNA recognition motifs (RRM1 and RRM2). NSC 194308 inhibits pre-mRNA splicing by stalling spliceosome assembly at the point where U2AF helps recruit U2 snRNP to the branchpoint. NSC 194308 enhances the binding of pre-mRNA to U2AF2, selectively triggering cell death in leukemia cell lines containing spliceosome mutations .

Pladienolide B	Apoptosis SF3B1	Cancer
Pladienolide B is a potent cancer cell growth inhibitor that targets the SF3B1 subunit of the spliceosome. Pladienolide B exerts antitumor activities mediated through the inhibition of pre-mRNA splicing. Pladienolide B induces apoptosis .

Madrasin 4 Publications Verification DDD00107587	Others	Cancer
Madrasin (DDD00107587) is a splicing inhibitor that prevents formation of both splicing intermediates and products in vitro and interferes with one or more early steps in the pathway of spliceosome assembly. Madrasin also can inhibit pre-mRNA splicing in vitro and modify splicing of endogenous pre-mRNA in cells .

Hinokiflavone 1 Publications Verification	E1/E2/E3 Enzyme Apoptosis	Cancer
Hinokiflavone is a novel modulator of pre-mRNA splicing activity in vitro and in cellulo. Hinokiflavone blocks splicing of pre-mRNA substrates by inhibiting spliceosome assembly, specifically preventing B complex formation. Hinokiflavone is a SUMO protease inhibitor, inhibiting sentrin-specific protease 1 (SENP1) activity .

Spliceostatin A	SF3B1	Cancer
Spliceostatin A, the FR901464 (HY-16212) methylated derivative, is a potent anti-tumor agent. Spliceostatin A inhibits splicing and promotes pre-mRNA accumulation by binding SF3B1. SF3B1 is a subcomplex of U2 small nuclear ribonucleoprotein in the spliceosome. Spliceostatin A induces Apoptosis in chronic lymphocytic leukemia (CLL) cells .

IP2	Others	Cancer
IP2 is an immunomodulatory agent. IP2 increases PTP (Pioneer Translation Product)-derived antigen presentation in cancer cells. IP2 shows non-cytotoxic for cancer cells. IP2 induces tumor growth defects in mouse .

Species:	Human (5)
Tag:	T7 (1) His (2) Tag Free (1) Strep (1) GST (2)
Source:	Sf9 insect cells (2) E. coli (3)

Cat. No.	Compare	Product Name	Species	Source

	BCAS2 Protein, Human (N-GST) rHuBCAS2, His, N-T7; Pre-mRNA-Splicing Factor SPF27; Breast Carcinoma-Amplified Sequence 2; Spliceosome-Associated Protein SPF 27; BCAS2	Human	E. coli
	BCAS2 is essential for pre-mRNA splicing and is critical for spliceosome activation as a key component of the activated spliceosome and the PRP19-CDC5L complex. It may act as a scaffold in spliceosome assembly, forming contacts with core components. BCAS2 Protein, Human (N-GST) is the recombinant human-derived BCAS2 protein, expressed by E. coli , with N-GST labeled tag. The total length of BCAS2 Protein, Human (N-GST) is 224 a.a., with molecular weight of ~53 kDa.

	BCAS2 Protein, Human (His, T7) rHuBCAS2, His, N-T7; Pre-mRNA-Splicing Factor SPF27; Breast Carcinoma-Amplified Sequence 2; Spliceosome-Associated Protein SPF 27; BCAS2	Human	E. coli
	BCAS2 Protein, Human (His, T7) plays crucial roles in pre-mRNA splicing and androgen receptor transcription. BCAS2 helps repair radiation-induced DSBs efficiently in both human PCa cells and Drosophila.

	SF3B3 Protein, Human (Sf9) SF3B3; Splicing factor 3B subunit 3; Pre-mRNA-splicing factor SF3b 130 kDa subunit; SF3b130; STAF130; Spliceosome-associated protein 130; SAP 130	Human	Sf9 insect cells
	SF3B3 protein is a key splicing factor in the SF3B complex and plays a central role in pre-mRNA splicing. It is essential for "A" complex assembly and stabilizes U2 snRNP binding to branch point sequences. SF3B3 Protein, Human (Sf9) is the recombinant human-derived SF3B3 protein, expressed by Sf9 insect cells , with tag free. The total length of SF3B3 Protein, Human (Sf9) is 1216 a.a., .

	SF3B3 Protein, Human (Sf9, His, Strep) SF3B3; Splicing factor 3B subunit 3; Pre-mRNA-splicing factor SF3b 130 kDa subunit; SF3b130; STAF130; Spliceosome-associated protein 130; SAP 130	Human	Sf9 insect cells
	SF3B3 protein is a key splicing factor in the SF3B complex and plays a central role in pre-mRNA splicing. It is essential for "A" complex assembly and stabilizes U2 snRNP binding to branch point sequences. SF3B3 Protein, Human (Sf9, His, Strep) is the recombinant human-derived SF3B3 protein, expressed by Sf9 insect cells , with N-Strep, N-8*His labeled tag. The total length of SF3B3 Protein, Human (Sf9, His, Strep) is 1216 a.a., .

	DDX39B Protein, Human (GST) 0610030D10Rik; 4F2-LC6; 56kDa U2AF65-associated protein; AI428441; ATP-dependent RNA helicase p47; B(0,+)-type amino acid transporter 1; BAT1; Bat1a; D17H6S81E; D17H6S81E-1; D6S81E; D6S81Eh; DDX39B; DEAD (Asp-Glu-Ala-Asp) box polypeptide 39B; DEAD box protein UAP56; DX39B_HUMAN; EC 3.6.1.-; Glycoprotein-associated amino acid transporter b0,+AT1; HLA-B-associated transcript 1 protein; HLA-B-associated transcript 1A; HLA-B-associated transcript-1; MGC127051; MGC19235; MGC38799; nuclear RNA helicase (DEAD family); OTTHUMP00000029229; OTTHUMP00000165889; OTTHUMP00000165890; p47; Solute carrier family 7 member 9; Spliceosome RNA helicase BAT1; Spliceosome RNA helicase DDX39B; U2AF65-associayed protein; 56-KD; UAP56	Human	E. coli
	The DDX39B protein intricately coordinates nuclear mRNA export and is specifically associated with spliced mRNA as a key component of the TREX complex. This coupling of mRNA transcription, processing, and export involves rounds of ATP-dependent hydrolysis, recruiting components such as ALYREF/THOC and CHTOP. DDX39B Protein, Human (GST) is the recombinant human-derived DDX39B protein, expressed by E. coli , with N-GST labeled tag. The total length of DDX39B Protein, Human (GST) is 250 a.a., with molecular weight of ~55.2 kDa.

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