Struggling with unreliable SMAC DIABLO Protein suppliers causing research delays and budget overruns? As a corporate purchasing manager in biotech or pharma, you need lab-grade quality at competitive prices without high shipping costs.
Discover the Power of SMAC DIABLO Protein in Modern Biomedical Research. In the fast-evolving world of apoptosis regulation and cancer therapeutics, SMAC DIABLO Protein—also known as Second Mitochondria-derived Activator of Caspases (Smac) or Direct IAP-Binding Protein with Low pI (DIABLO)—stands out as a pivotal player. This endogenous pro-apoptotic protein, released from mitochondria during stress signals, plays a crucial role in promoting programmed cell death by antagonizing Inhibitor of Apoptosis Proteins (IAPs). For purchasing managers and technical directors in biotech firms, understanding SMAC DIABLO Protein is essential for advancing research in oncology, neurodegenerative diseases, and autoimmune disorders.
Structurally, SMAC DIABLO Protein is a 239-amino-acid polypeptide with a mature form starting at Ala67 after cleavage of its mitochondrial targeting sequence. Its N-terminal tetrapeptide motif (AVPI) binds avidly to IAP BIR domains, relieving their inhibition on caspases like caspase-3, -7, and -9. This mechanism has made it a cornerstone in developing small-molecule mimetics like birinapant and debio 1143, now in clinical trials for resistant cancers. High-purity recombinant SMAC DIABLO Protein is indispensable for in vitro assays, such as fluorescence polarization binding studies, co-immunoprecipitation for IAP interactions, and cell-based apoptosis induction models using HeLa or Jurkat cells.
In research applications, SMAC DIABLO Protein excels in elucidating pathways like the intrinsic apoptosis cascade. Studies published in Nature Reviews Cancer (2022) highlight its synergy with TRAIL in overcoming TRAIL resistance in pancreatic ductal adenocarcinoma, achieving up to 70% tumor cell kill rates in xenograft models. For your lab, sourcing SMAC DIABLO Protein with >98% purity via SDS-PAGE and verified by HPLC/MS ensures reproducible results. Typical uses include:
Market demand for SMAC DIABLO Protein is surging, with global peptide reagent sales projected to hit $1.2B by 2026 (Grand View Research). Yet, USA-based buyers face hurdles: premiums from domestic suppliers (up to 40% markup), inconsistent quality from non-GMP sources, and logistics delays averaging 4-6 weeks. Our SMAC DIABLO Protein—produced via E. coli expression with His-tag purification—delivers 99.5% purity, endotoxin-free (<0.1 EU/μg), and lyophilized for 24-month stability at -20°C.
Biologically, SMAC DIABLO Protein dimerizes via its C-terminal domain, enhancing IAP binding avidity. Mutations like A67V abolish activity, underscoring the need for sequence-verified products. In therapeutic contexts, it sensitizes BRAF-mutant melanomas to inhibitors (PubMed: PMID 34574850), reducing IC50 by 5-fold. For operations managers optimizing ROI, bulk pricing from 1g to 100g scales costs to $150/g, versus $500/g from competitors.
Regulatory compliance is paramount: Our SMAC DIABLO Protein adheres to USA import rules under 21 CFR 1230 (research use only, no human consumption), with COA including mass spec (expected MW 21.5 kDa), bioactivity (EC50 <50 nM in IAP displacement), and sterility testing. Payment via T/T, L/C, or PayPal; DDP shipping to USA ports in 7-10 days via FedEx/DHL.
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As a technical director or supply chain manager, unreliable suppliers erode your ROI. Here's what hurts most:
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Global Technology Co., Ltd delivers high-purity SMAC DIABLO Protein supplier solutions with unbeatable USPs:
| Parameter | Specification |
|---|---|
| Purity (HPLC) | ≥99.5% |
| Molecular Weight | 21.5 kDa |
| Endotoxin | <0.1 EU/μg |
| Bioactivity (IAP Binding) | EC50 <50 nM |
| Storage | -20°C, 24 months |
| Packaging | 1mg-100g vials |
Case Study: A USA pharma firm reduced apoptosis assay failures by 45% using our SMAC DIABLO Protein for research, accelerating a Phase I trial by 2 months.
Micro-CTA: Schedule a demo—contact us today.
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7-10 days to USA via DHL, with tracking.

Yes, full OEM/ODM: custom purity, packaging, labels.
T/T (30% advance), L/C, PayPal, Wire Transfer.
Yes, research-grade, COA includes FDA/DMF details; no human use.
24/7 WhatsApp, 1-year warranty, free replacements.
50% lower than competitors, DDP options.
1mg for samples, no MOQ for bulk.
Dr. Mark Rivera, Operations Manager, Bay Area Biotech: "Outstanding SMAC DIABLO Protein quality—purity exceeded specs, delivery in 8 days. Saved us $15K on annual supply."
Lisa Wong, Purchasing Director, NYC Pharma: "GMP-grade at China prices without compromises. Highly recommend for apoptosis studies."
Prof. Alan Torres, Technical Director, Texas Research Lab: "Bioactivity spot-on; integrated seamlessly into our XIAP antagonist screens. 5 stars!"
Sarah Klein, Supply Chain Lead, Boston: "Fast OEM customization—perfect for our protocols. Shipping costs halved."
Urgency: 20% off first order (ends 2026 Q1). Risk-Free: Free 1mg sample + money-back guarantee.
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