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Peptides

Essential tools for life science research

Peptides are chains formed of principally α-amino acids linked by amide bonds. Peptides are normally composed of the 20 naturally occurring L-amino acids, but may also contain D-amino acids, unnatural amino acids, disulfide bridges, be linear or cyclic, or be further chemically modified. Numerous peptides exist in all living organisms where they perform a multitude of biological functions.

Peptides by Pharmacological Activity

14.3.3 Protein Actin Adhesion Molecules AMPA Receptors Amyloid β Peptides Angiotensin AT₂ Receptors Angiotensin AT₄ Receptors AP-1 Apelin Receptors Bcl-2 Family Bombesin Receptors Bradykinin Receptors Ca²⁺-Activated Potassium (K_Ca) Channels Calcitonin and Related Receptors Calcium Binding Protein Modulators Calcium-Sensitive Protease Modulators Calpain Caspase CB₁ Receptors CCK₁ Receptors CCK₂ Receptors Chemokine Receptors Complement CRF₁ Receptors CRF₂ Receptors Cyclin-Dependent Protein Kinase Cytokine Receptors δ Opioid Receptors ET_A Receptors ET_B Receptors Formyl Peptide Receptors G Proteins (Heterotrimeric)G Proteins (Small)Galanin Receptors Gap Channels Ghrelin Receptors GIP Receptors Glucagon Receptors Glucagon-Like Peptide 1 Receptors Glucagon-Like Peptide 2 Receptors Glycogen Synthase Kinase 3 Gonadotrophin-Releasing Hormone Receptors Growth-Hormone Releasing Hormone Receptors GTPase Guanylyl Cyclase Inositol Lipids Integrin Receptors Inward Rectifier Potassium (K_IR) Channels JNK/c-Jun Kainate Receptors κ Opioid Receptors KISS-Derived Peptide (KISS1) Receptors

LDL Receptors Leptin Receptors MAPK Melanocortin (MC) Receptors Miscellaneous Opioids Motilin Receptors μ Opioid Receptors Myosin Light Chain Kinase Natriuretic Peptide Receptors Neuromedin U Receptors Neuronal Metabolism Neuropeptide FF/AF Receptors Neurotensin Receptors NF-κB & IκB Nicotinic (α7) Receptors Nicotinic Receptors (Non-Selective)Nicotinic Receptors (Other Subtypes)NK₁ Receptors NK₂ Receptors NK₃ Receptors NMDA Receptors Non-selective AT Receptors Non-selective CCK Non-selective CRF Non-selective Endothelin Non-selective OX NOP Receptors NPY Receptors Other Proteases Other Tachykinin OX₂ Receptors Oxytocin Receptors Purinergic (P2X) Receptors PACAP Receptors Parathyroid Hormone Receptors Protease-Activated Receptors Protein Kinase A Protein Kinase C Protein Ser/Thr Phosphatases Protein Translocation, Exocytosis and Endocytosis Secretin Receptors Sensory Neuron-Specific Receptors Somatostatin (sst) Receptors Src Kinase Trk Receptors TRPV Urotensin-II Receptors Vasopressin Receptors VIP Receptors Voltage-gated Calcium Channels (Ca_V)Voltage-gated Sodium (Na_V) Channels

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