Search results for: 'cys tr'

  • PotM: Furan-Crosslinking and 5HP2O as Maleimide Alternative

    Game Changer for Protein Modification: Discover oxidation-induced furan...

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  • A Fluorescent Probe for “Hard and Soft” Reactive Metabolites

    Discover CysGluDan, a new fluorescent probe for the detection of reactive...

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  • Hidden Champion – The Tetrahydropyranyl Protective Group

    Tetrahydropyranyl (THP) is an excellent protective group for hydroxy and...

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  • Common Side Reactions in Fmoc Solid-Phase Peptide Synthesis

    Collect information about the most common side reactions during Fmoc SPPS and...

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  • GGFG Motif for ADC Construction

    To address both chemical and IP considerations in self-immolating linker...

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  • Bioisosteric Argininine Analogs

    Same but different! Expand your possibilities for peptide modification and...

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  • Protecting Groups in SPPS

    Mix & Match. Discover typically employed protecting groups used to...

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  • Deprotection and Coupling in SPPS

    Get the most out of your synthesis! Monitor your deprotection and coupling...

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  • Boc versus Fmoc for Solid Phase Peptide Synthesis

    Wondering about the difference between Boc and Fmoc chemistry in solid phase...

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  • “Power On” – Activity Control by Photocaging

    Discover photocages – photosensitive protecting groups that are removed by...

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  • 2-Cyanopyridines for Click-Like Reactions

    Have an additional ace up your sleeve for selective and efficient peptide...

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  • Aminothiols for Versatile Side-Chain Modification

    Beyond cysteines: Unlock targeted side-chain modifications of your peptides...

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  • PotM: Oligomeric Sarcosine Building Blocks

    You are looking for monodisperse Sarcosines? You want to use Sarcosine for...

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  • Special Deal: Amino Acid Bundle

    Our special Christmas offer is still valid! Get our standard L-amino acid...

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  • Special Christmas Offer!

    Do not miss our special Christmas offer starting on December 1st!

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  • Process Development – From Discovery to Scale-up

    Ongoing research efforts lead to the discovery of innovative building blocks...

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  • Selective Lysine Labeling with Squaric Acid

    Keeping control! PEGylating reagents with a squaric acid ethyl ester react...

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  • PotM: TCEP as Versatile Reducing Agent

    TCEP is an effective reductant for disulfide bonds and a versatile reagent...

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  • Cyanobenzothiazole (CBT) Derivatives for “Click” Conjugation

    Discover the cyanobenzothiazole (CBT) click reaction, a not (yet) so...

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  • PotM: Safety Catch - Orthogonally Protected Amino Acids

    Add a new dimension of orthogonality to your peptide synthesis by using...

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  • Carbamidomethylated Cysteine as SPPS Building Block

    Our building block Fmoc-L-Cys(Cam)-OH enables peptides resembling reduced and...

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  • Maleimide Crosslinkers

    Maleimides provide versatile options for connecting payloads to proteins and...

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  • PotM: Perfluorobiphenyl Building Blocks for Site-Selective Cysteine Conjugation

    Herein, we present functionalized perfluorobiphenyl building blocks which can...

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  • Amino-PEG-Acids

    PEGs are being used as spacers, as hydrophilic decoration, and building...

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  • Acylation Efficiencies on Ser and Thr Pseudoproline Monomers

    In two joint studies together with Prof. F. Albericio we investigated the...

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  • Review – Product Highlights 2022

    Curious about our latest portfolio additions from July to December 2022 and...

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  • Abraligabra - Reagents and Building Blocks for Chemical Ligation

    We can’t get enough of new products and innovations! Read this blog to get...

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  • PotM: His Tags for the Chemical Modification of Peptides

    Jensen et al. developed two methods that use poly-His sequences to direct the...

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  • PotM: Fmoc-Ser(Msbh)-OH

    You are working on complex peptides and are looking for a new level of...

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  • Process Development of SPPS

    From mg synthesis of a peptide up to bulk quantities often makes a huge...

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  • A Systematic Comparison of Different Methods to Tackle Aspartimide Formation

    Read on for detailed information on the results of our comparative study on...

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  • Resins for Solid Phase Peptide Synthesis (Part 2)

    You want to get an overview about the various resins available at Iris...

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  • Dyes and Fluorescent Labels at Iris Biotech

    Dyes and fluorescent labels are an invaluable tool for diagnostics, medical...

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  • Amino Acid Oxidation Products

    Oxidation is not only a known degradation pathway of proteins and peptides in...

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  • PotM: Substrates for Fusion (Halo/Snap/Clip)-Tagged Proteins

    Discover our selection of substrates for Halo-, Snap-, and Clip-tagged...

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  • Review – Product Highlights 2021

    Herein, we summarize certain product highlights and innovations, which we...

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  • Workshop Advances on Cysteine Protecting Groups

    You missed our workshop featuring Prof. Dr. Fernando Albericio (University of...

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  • Pseudoproline Monomers

    Typically known and employed as preformed dipeptides, we are presenting...

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  • Refill your Chemical Stocks

    Back in the lab after enjoying your holidays? Motivated to run new...

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  • Hydrazone Resins as Alternative to SEA Resins

    Discover the versatile applications of hydrazone resins e.g. for the...

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  • PotM: Seleno Amino Acids

    Selenocysteine (Sec) plays a crucial role for various biological processes,...

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  • PotM: Functionalized Biotinylation Reagents

    Iris Biotech offers a variety of (functionalized) biotin and desthiobiotin...

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  • N-Alkyl Substituted Carboxy Linkers for Peptide Synthesis

    Herein, we present Fmoc-protected N-alkyl-substituted carboxy linkers, which...

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  • About the Advantages of Pseudoproline Dipeptides

    Serine- and Threonine-derived oxazolidines as well as Cysteine-derived...

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  • Thiol- and Amine Reactive Crosslinkers

    Iris Biotech offers hetero-bifunctional crosslinkers bearing an...

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  • Fmoc-L-Cys(Palm)-OH – A S-palmitoylated Cysteine building block

    Interested in studying the effect of palmitoylation on your peptide’s...

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  • Facilitating the synthesis of hydrophobic peptides and proteins

    Cys(Aapam): an Alloc protected Phacm linker as removable side chain...

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  • DACNs for Strain-Promoted Azide-Alkyne Cycloadditions (SPAAC)

    Herein we present substituted diazacyclononynes (DACNs) as versatile tools...

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  • Arginine Derivatives Suitable for Side-Chain Derivatization

    Herein we present two arginine derivatives, in which the native guanidino...

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  • PotM: SIT – A New Cysteine Protecting Group

    The new disulfide-based protecting group sec-isoamyl mercaptan (SIT) is fully...

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  • New Dawson Linker Derivatives

    Interested in the formation of peptide thioesters for Native Chemical...

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  • Amino-Methylcoumarins as Fluorescent Labels

    Enzymatically-activatable probes based on 7-amino-4-methylcoumarin (AMC)...

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  • Modifications of Methionine

    Methionine is particularly prone to oxidation by atmospheric oxygen in vitro...

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  • Thiol-reactive Linkers for ADCs

    The thiosuccinimide linkage is a prominent connective motif resulting from...

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  • Fighting SARS-CoV-2

    Fighting COVID-19 by modifying essential viral proteins via glycation through...

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  • Nitrodibenzofuran (NDBF) based Photocleavable Protecting Groups

    Nitrodibenzofuran (NDBF) is a photocleavable side chain protecting group that...

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  • Product Focus: TT-232, a Potent Somatostatin Analogue

    Amongst various somatostatin analogues, the pentacyclic heptapeptide TT-232...

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  • Subject Focus: Linkerology

    The ever-growing sophistication and variation in linker design have given...

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  • Alkyne Amino Acids for Click Chemistry and other Conjugations:

    Alkyne amino acids allow for Click conjugations and other types of chemistry....

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  • L-Cysteine from non-human/non-animal origin

    Iris Biotech offers L-Cysteine Hydrochloride Monohydrate from Cystine, which...

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  • Phenyl-, Cyclohexyl- and BCP-Amino Acids

    Sidechain-derivatized amino acids have shown great potential in enhancing...

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  • Lipidated Amino Acids

    The tremendous success of Liraglutide and Semaglutide has moved amino acids...

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  • Product of the Month: Fmoc-L-Cys(Allocam)-OH for 1-Step On-Resin Disulfide Bond Formation

    The Allocam protecting group allows for selective deprotection and disulfide...

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  • Protease Inhibitors

    Protease inhibitors are molecules that inhibit protease function by binding...

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  • Fmoc-L-Lys(Nvoc)-OH

    o-Nitroveratryloxycarbonyl (Nvoc) is a photocleavable side chain protecting...

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  • Diazirine Amino Acids for Photo Cross-Linkage in Living Cells

    Iris Biotech introduces a comprehensive set of photo-crosslinking amino acids...

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  • Fmoc-L-Cys(Propargyl)-OH

    This alkyne-functionalized cysteine building block can be incorporated into...

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  • Fmoc Deprotection Reagents

    The Fmoc group is the most frequently used protecting group in peptide...

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  • Standard Fmoc Amino Acid Building Blocks

    Amino acids of high quality are crucial for the synthesis of peptides with a...

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  • Poly(Ethylene Glycol) – the Pioneer in Polymer Therapeutics

    PEGs show a spectrum of unique physical and chemical properties, which have...

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  • Omniligase-1 for Efficient Peptide Ligation

    Omniligase-1 enables efficient and racemization-free ligation of two...

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  • The Safety-Catch Acid-Labile (SCAL)-Linker

    The SCAL linker offers superior chemical stability and permits a variety of...

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  • Msbh, a Safety Catch Cysteine Protecting Group for the Synthesis of Cyclic Peptides

    The regioselective formation of multiple disulfide bonds is often a synthetic...

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  • New: Cysteine-Pseudoproline

    Pseudoprolines derived from Serine and Threonine have developed to standard...

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  • Linkers for Antibody-Drug Conjugation (ADC)

    Cleavable dipeptide linkers like Val-Ala and Val-Cit rely on processes inside...

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  • Photocleavable Cys Protecting Group

    This oNv (2-Nitroveratryl) is the latest addition to our repertoire of...

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  • Benzotriazole Amino Acids

    Benzotriazol activated carboxylic acids: Fast reaction (within minutes) at...

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  • Bis-Mal-Lysine

    Bis Thiol & Amine reactive PEGylated Cross-Linker which has been used for...

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  • Ellmans Reagent

    DTNB, frequently called Ellman’s Reagent, used as reagent for determination...

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  • Product of the Month: Fmoc-L-Cys(Dpm)-OH

    Any amino acid can be functionalized on the N-terminus with oxalic acid and...

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  • A Total New Game for the Synthesis of Disulfide-Containing Peptides

    The overall goal of our research is to capitalize on peptides of natural...

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  • DTT (Cleland's Reagent)

    Cleland's reagent, also known as dithiothreitol or DTT is a water soluble...

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  • Green Advantages of using Phacm for Cystein Protection

    PGA (Penicillin G Amidase, Penicillin Acylase, Penicillin Amidohydrolase from...

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