Research Blog
Peptide Fundamentals
Core concepts for working with research peptides: what peptides are, how peptide bonds link amino acids into sequences, and where peptides end and proteins begin.
Peptide Fundamentals NAD Enzyme Basics: Cofactor Binding, Specificity and Assays
A laboratory guide to NAD enzymes: cofactor chemistry, binding-site structure, engineered specificity, biocatalytic cascades, assays and storage.
FundamentalsPhoto: Lilly_M / Wikimedia Commons, CC BY-SA 3.0
Peptide Fundamentals What Do Peptides Do? Biological Roles of Peptides
Hormones, neuropeptides, antimicrobial and signal peptides: the main biological jobs peptides perform, and how laboratories put them to work as research tools.
FundamentalsPhoto: Lilly_M / Wikimedia Commons, CC BY-SA 3.0
Peptide Fundamentals Types of Peptides: From Hormones to Cyclic Peptides
Four ways to classify peptides, by length, origin, structure and function, from linear hormones to cyclic, stapled and lipidated analogues.
FundamentalsPhoto: Millrock / Wikimedia Commons, Public domain
Peptide Fundamentals Peptidases: The Enzymes That Break Peptide Bonds
How peptidases are classified, how serine, cysteine, aspartic and metallo enzymes cut peptide bonds, and why their activity matters in peptide assays.
FundamentalsPhoto: Kjaergaard / Wikimedia Commons
Peptide Fundamentals Peptides vs Steroids: How the Two Molecule Classes Differ
Are peptides steroids? No. How amino-acid chains and the four-ring steroid scaffold differ in structure, biosynthesis, receptors and laboratory analysis.
FundamentalsPhoto: Masur / Wikimedia Commons, CC BY-SA 3.0
Peptide Fundamentals What Are Peptides? Structure, Size and Classification
Amino acids, the peptide bond, where peptides end and proteins begin, and the main ways chemists classify peptides.
Fundamentals
Peptide Fundamentals What Are Research Peptides? A Beginner’s Guide
A plain-language introduction to peptides, how research-grade material is made and tested, and how it differs from approved medicines.
FundamentalsPhoto: Gannu03 / Wikimedia Commons
Peptide Fundamentals Peptide Bonds and Amino Acid Sequences Explained
How amino acids link through peptide bonds, how sequences are written in one- and three-letter code, and why residue order defines a peptide.
FundamentalsPhoto: Masur / Wikimedia Commons, CC BY-SA 3.0
Peptide Fundamentals Peptides vs. Proteins: Key Differences Explained
Where the line between peptides and proteins sits, and why size changes how a molecule is made, tested and stored.
FundamentalsPhoto: Lilly_M / Wikimedia Commons, CC BY-SA 3.0
Peptide Fundamentals What Do Peptides Do? Biological Roles of Peptides
Hormones, neuropeptides, antimicrobial and signal peptides: the main biological jobs peptides perform, and how laboratories put them to work as research tools.
FundamentalsPhoto: Lilly_M / Wikimedia Commons, CC BY-SA 3.0
Peptide Fundamentals Types of Peptides: From Hormones to Cyclic Peptides
Four ways to classify peptides, by length, origin, structure and function, from linear hormones to cyclic, stapled and lipidated analogues.
FundamentalsPhoto: Millrock / Wikimedia Commons, Public domain
Peptide Fundamentals Peptidases: The Enzymes That Break Peptide Bonds
How peptidases are classified, how serine, cysteine, aspartic and metallo enzymes cut peptide bonds, and why their activity matters in peptide assays.
FundamentalsPhoto: Kjaergaard / Wikimedia Commons
Peptide Fundamentals Peptides vs Steroids: How the Two Molecule Classes Differ
Are peptides steroids? No. How amino-acid chains and the four-ring steroid scaffold differ in structure, biosynthesis, receptors and laboratory analysis.
FundamentalsPhoto: Masur / Wikimedia Commons, CC BY-SA 3.0
Peptide Fundamentals What Are Peptides? Structure, Size and Classification
Amino acids, the peptide bond, where peptides end and proteins begin, and the main ways chemists classify peptides.
Fundamentals
Peptide Fundamentals What Are Research Peptides? A Beginner’s Guide
A plain-language introduction to peptides, how research-grade material is made and tested, and how it differs from approved medicines.
FundamentalsPhoto: Gannu03 / Wikimedia Commons
Peptide Fundamentals Peptide Bonds and Amino Acid Sequences Explained
How amino acids link through peptide bonds, how sequences are written in one- and three-letter code, and why residue order defines a peptide.
FundamentalsPhoto: Masur / Wikimedia Commons, CC BY-SA 3.0
Peptide Fundamentals Peptides vs. Proteins: Key Differences Explained
Where the line between peptides and proteins sits, and why size changes how a molecule is made, tested and stored.
Educational content for research use only. Not for human consumption. Nothing here is medical advice or a claim about safety or efficacy.