138 Union Ave. Sudbury, MA, 01776-2251 United StatesAlces Bioworks uses revolutionary protein design technologies to create superior affinity reagents for its customers. We call these affinity reagents Alceins™. Do you need a custom affinity reagent? Would you like it in a few weeks instead of a few months? Contact us! FAQs: Why are Alceins™ better than antibodies? Alceins™ are custom-designed affinity reagents that offer a powerful alternative to traditional antibodies, with key advantages for researchers and biotech professionals: Designed in silico using advanced computational protein design, ensuring high specificity and performance. Produced in E. coli, enabling rapid, scalable, and cost-effective recombinant protein production. Structurally defined—our engineered proteins have known molecular structures because we designed them. Modular format—customizable with detection tags such as GFP, GST, His-tag, biotin, and others to meet your application needs. Animal-friendly—no animals are used at any stage. We don’t need to immunize mice, rabbits, alpacas, not even moose! How do you design Alceins™? At Alces Bioworks, we focus on advancing protein design technology, so you can focus on your science. The field is evolving rapidly, with new computational design tools emerging in the literature almost daily, and we move just as quickly to adapt accordingly. Our team thrives on exploring the latest in protein engineering and machine learning: from message-passing neural networks, iPTM, AlphaFold, pLDDT, PAE, Boltz, diffusion, backpropagation, biolayer interferometry, and surface plasmon resonance. Our mission is simple: to deliver high-performance affinity reagents—fast, precisely designed, and ready to accelerate your research. How do I place an order? Placing an order is simple. Just submit your contact information through our Contact Us page, and we’ll send you a personalized link to our order form. Once we receive your request, we’ll provide a quote and agree on the payment method. It’s a quick, streamlined process, so you can get your custom Alcein™ project started without delay. What is the production timeline for Alceins™️? Our design and production timeline is 6-8 weeks from order confirmation to delivery. This accelerated timeline is one of the key advantages of our computational protein design approach compared to traditional antibody generation methods. Do you offer off-the-shelf or catalog Alceins™️? We currently focus on custom Alcein™️ development tailored to your specific target and application needs. However, if you've identified a commonly used target that would benefit the broader scientific community, we'd welcome your input. Please contact us (info@alcesbioworks.com) with your suggestions, and we'll evaluate developing catalog Alceins™️ for high-demand targets. What tags or detection molecules can be conjugated to Alceins™️? Alceins™️ can be engineered with a variety of commonly used epitope tags, including His-tag, FLAG-tag, HA-tag, Myc-tag, or AviTag for biotinylation. We can also accommodate custom tag requests—simply specify your preferred tag when submitting your order, and our team will work with you to incorporate it into your Alcein™️ design. For what applications can Alceins™ be used? Small protein reagents similar to Alceins™️ have been used for a wide range of applications, including: Immunohistochemistry (IHC) Immunofluorescence (IF) Western blot (WB) Immunoprecipitation (IP) Other standard affinity reagent applications If you successfully use your Alcein™️ in an application not listed here, we'd love to hear about it. How do you measure Alcein™️ binding affinity? We employ a two-stage validation process to ensure high-quality binders: Initial screening: Biolayer interferometry (BLI) for rapid identification of candidate binders Quantitative characterization: Surface plasmon resonance (SPR) for precise affinity measurements (KD values) To learn more about the advantages of each technique, visit our blog post on binding analysis methods. Do I need to provide my target protein for analytical testing? You have two options: Provide your own: Send us a small aliquot (typically 50-100 μg) of your purified target protein Commercial sourcing: Direct us to a preferred commercial vendor where we can purchase the target protein Our team will work with you to determine the most efficient approach for your project. Are Alceins™️ suitable for in vivo applications? While Alceins™️ are for research use only, they can be produced under low-endotoxin conditions suitable for in vivo use. Please indicate your intended application when placing your order so we can ensure appropriate production specifications, including endotoxin testing. What information do you need about my target of interest? At minimum, we require the amino acid sequence of your target protein. Additional helpful information includes: Specific epitope or binding region preferences Post-translational modifications of interest Species origin and isoform details Intended application(s) Any known structural information Our detailed order form guides you through all optional specifications. You can access the order form by contacting us through our website. What file formats do you accept for sequence and target information submission? We accept target sequence information in multiple formats to make submission convenient: Text formats: Plain text, FASTA, GenBank (.gb), or EMBL format Sequence databases: UniProt accession numbers or NCBI RefSeq identifiers Structural data: PDB files if you have structural information about your target Documents: Word, PDF, or Excel files containing sequence and project details If you have questions about format compatibility, our team will be happy to assist. What are your terms and conditions? We follow standard industry terms for custom reagent development services. Detailed terms and conditions are provided with your project quote and can be reviewed before order confirmation. For specific questions about our terms, please contact our team directly. What is the success rate for Alcein™️ development? We can find out in a few days if your target is amenable to Alcein(TM) design. Our computational protein design platform achieves a high success rate in generating functional binders. While success rates can vary depending on target complexity and structural information available, we aim to deliver validated Alceins™️ with strong binding affinity (KD in the sub-micromolar range). If we're unable to generate a suitable binder, we'll work with you to understand any technical limitations and discuss alternative approaches. What is the pricing structure for custom Alcein™️ development? Pricing depends on several factors, including project complexity, number of variants requested, and production scale. We provide transparent, itemized quotes after reviewing your project requirements. Contact us (info@alcesbioworks.com) with your target information to receive a customized quote, typically within 1-2 business days. How much purified Alcein™️ will I receive? Our standard deliverable includes 100ug ~90% pure Alcein™️, sufficient for initial validation and multiple experiments. We can accommodate larger-scale production requests for ongoing research needs. Production quantities and concentrations will be specified in your project quote and can be adjusted based on your experimental requirements. What quality control data and other info do you provide with my Alcein™️? Each Alcein™️ delivery includes comprehensive quality control documentation: SDS-PAGE analysis confirming purity (typically >90%) Binding affinity data (KD values from SPR analysis) Concentration determination (A280 or other appropriate method) Endotoxin testing results when requested Sequence and predicted structure Storage and handling recommendations All data is provided in a detailed technical report accompanying your delivery. Can you develop Alceins™️ against challenging or non-immunogenic targets? Yes, this is one of the key advantages of our computational design approach. Unlike antibody generation that relies on immune response, our platform can target: Poorly immunogenic proteins Conserved protein families Membrane proteins and conformational epitopes Contact us (info@alcesbioworks.com) to discuss your challenging target, and our team will assess feasibility. Instead of an affinity reagent, could you develop an Alcein™ drug or diagnostic for my organization? While our core mission is to deliver high-quality reagents quickly and efficiently, we welcome opportunities for research collaborations. If you’re interested in developing a custom Alcein™ for a diagnostic or therapeutic application, contact us to start the conversation. Do you offer conjugation services for fluorophores, enzymes, or other labels? While Alceins™️ are delivered with your specified epitope tags, we can discuss conjugation services on a case-by-case basis. We can engineer your Alceins™ to facilitate covalent modification while preserving function. Can you scale-up production for commercial or clinical applications? Yes, we can accommodate scale-up requirements for validated Alceins™️. Our E. coli expression system enables efficient, cost-effective production at scales from milligrams to grams. For commercial manufacturing, GMP production, or clinical-grade material, we can work with qualified contract manufacturing organizations (CMOs) and assist with technology transfer. Contact us (info@alcesbioworks.com) to discuss your scale-up needs and timeline. What if my Alcein™️ doesn't perform as expected in my application? We stand behind the quality of our Alceins™️. Each reagent is validated for binding affinity before delivery. If you experience performance issues: Contact our technical support team with detailed experimental conditions Our scientists will troubleshoot and provide optimization recommendations We may request sample return for additional analysis Depending on the issue, we may offer a replacement or project credit Customer satisfaction is our priority, and we work collaboratively to ensure your Alcein™️meets your research needs. Specific warranty terms are outlined in your service agreement. How should I cite Alceins™️ in my publications and presentations? We appreciate acknowledgment of Alces Bioworks in your scientific communications. Please use the following citation format: "Custom Alcein™️ affinity reagents were designed and produced by Alces Bioworks (https://alcesbioworks.com)." For manuscripts, please include our company name and website in your Materials and Methods section. We'd love to hear about your publications—please send us a copy or citation so we can showcase the impact of Alceins™️ in advancing scientific research.