Enzyme Substrates

Casein Kinase Substrates 3 is a substrate of casein kinase.

[pThr3]-CDK5 Substrate is an effective Phospho-Thr3CDK5 Substrate. [pThr3]-CDK5 Substrate is derived from the sequence of the histone H1 peptide that docks in the active site of CDK5. [pThr3]-CDK5 Substrate is phosphorylated by CDK5 with a K_m value of 6 µM.

Calmodulin-Dependent Protein Kinase II (281-309) is a peptide of calcium/calmodulin-dependent protein kinase II (CaM-kinase II).

MARCKS Peptide(151-175), Phosphorylated is a phosphorylated peptide corresponding to the basic effector domain of myristoylated alanine-rich protein kinase C substrate protein (MARCKS). Phosphorylation of MARCKS Peptide (151-175) reverses its inhibition of phospholipase C (PLC)-catalyzed hydrolysis of phosphatidylinositol 4,5-bisphosphate (PIP2).

Protein Kinase C Peptide Substrate is targeted to a specific cellular compartment in a manner dependent on second messengers and on specific adapter proteins in response to extracellular signals that activate G-protein-coupled receptors, tyrosine kinase receptors, or tyrosine kinase-coupled receptors. Protein Kinase C Peptide Substrate then regulates various physiological functions including the activation of nervous, endocrine, exocrine, inflammatory, and immune systems.

[pTyr5] EGFR (988-993) is derived from the autophosphorylation site (Tyr992) of epidermal growth factor receptor (EGFR 988-993). [pTyr5] EGFR (988-993) is often complexed with the catalytically inactive protein-tyrosine phosphate 1B (PTP1B).

Axltide is based on the mouse Insulin receptor substrate 1 (amino acid 979-989). Axltide is a substrate for Axl, DDR2, Mst1, and JAK2 kinases.

[pTyr1146][pTyr1150][pTyr1151]Insulin Receptor (1142-1153) binds to insulin and can be used as insulin receptor tyrosine kinase substrates.

M-2420 is a fluorogenic substrate containing β-secretase site of the Swedish mutation of amyloid precursor protein (APP).

Tyrosine Protein Kinase JAK 2 (Phospho-Tyr8, 9) is a peptide corresponding to amino acids 475 to 491 of mouse JAK2.

AMARA peptide is a synthetic peptide substrate of sucrose non-fermenting-1-related protein kinase 1 (SnRK1). AMARA peptide contains residues required for SnRK1 phosphorylation, retains the minimal motif recognized by SnRK1, and when this substrate is recognized by cauliflower SnRK1 HRK-A, the hydrophobic residues at the relative positions P-5 and P+4 of the phosphorylated serine require a critical spacing. AMARA peptide can serve as a control substrate in peptide phosphorylation assays for the detection of SnRK1 activity in Arabidopsis thaliana, potato tuber tissues, and during SnRK1 purification.

PKA RII peptide is a PKA substrate that, after being phosphorylated at the serine residue, can be used for the detection of calcineurin activity.

5-Tamra-DRVYIHP i a Peptide with TAMRA labeling oligonucleotide.

TNO003 TFA is a selective fluorogenic substrate for stromelysin-1 (MMP-3). TNO003 TFA has higher selectivity for MMP-3 than MMP-1, MMP-2, MMP-7, MMP-8, MMP-9 and MMP-13. TNO003 TFA can be used for the determination of stromelysin activity (Ex/Em = 360/490 nm).

Ac-EVKKQR-pNA is a competitive chromogenic para-nitroanilide substrate corresponding to the P6-P1 segment amino-terminal to the NS2B-NS3 cleavage site but with a more reactive, hydrolytically cleavable, para-nitroanilide at the P1’ position. Ac-EVKKQR-pNA is promising for research of dengue 2 virus and flavivirus virus infection.

Nictide is a peptide substrate of LRRK2 (leucine-rich repeat protein kinase-2). Nictide can be phosphorylated by the activated LRRK2[G2019S] with a Km of 10 μM.

ssK36 is a supersubstrate peptide of the histone methyltransferase (SET) domain protein 2 (SETD2), and ssK36 is designed for the SETD2 protein, a specific PKMT. ssK36 is responsible in human cells for adding methyl groups to the 36th lysine residue of histone H3 (H3K36) to form H3K36me3. ssK36 can be methylated by SETD2 at a rate more than 100 times faster than the natural substrate H3K36. ssK36 can be used to study the catalytic mechanism of PKMTs, especially substrate specificity and catalytic efficiency.

Z-Gly-Gly-Arg-AMC TFA is the TFA salt form of Z-Gly-Gly-Arg-AMC (HY-P0019). Z-Gly-Gly-Arg-AMC TFA is a thrombin-specific fluorogenic substrate for testing of thrombin generation in PRP and platelet-poor plasma (PPP) (Ex/Em = 390/480 nm).

Suc-Arg-Pro-Phe-His-Leu-Leu-Val-Tyr-AMC (Renin Substrate I) is a renin substrate

SEVNLDAEFR is a substrate for BACE1.