epitope corresponding to phosphorylated Ser 636 of IRS-I of human origin
Modification
Phosphoralated
Modification Notes
Insulin receptor substrate-1 (IRS-1) is a substrate of the insulin receptor that undergoes phosphorylation in response to insulin, IGF-1 and IL-4. Tyrosine (Tyr) phosphorylation of IRS-1 mediates insulin-stimulated responses, while Serine (Ser)/Threonine (Thr) phosphorylation of IRS-1 can either enhance or negate insulin effects. Tyrosines 465, 612, 632, 662, 941 and 989 of IRS-1 resemble YXXM motifs that upon phosphorylation are predicted to bind SH2 domains in the p85 regulatory subunit of PI3K, resulting in activation of p110 catalytic subunit. SHP-2 binding to IRS-1 can occur upon phosphorylation at Tyr 1179 and Tyr 1229. GRB2 binding can occur upon phsophoryl-ation at Tyr 896. Rodent Ser 99 and Thr 502 of IRS-1 are casein kinase II-dependent phosphorylation sites. There is an increase in Ser 636 phosphoryl-ation of IRS-1 in primary skeletal muscle cells from patients with type 2 diabetes. IGF-I and anisomycin treatment converge downstream onto FRAP and PKCd to induce IRS-1 Ser 312 phosphorylation. Insulin resistance in the aorta of hypertensive rats is associated with elevated IRS-1 phosphorylation at Ser 307 and increased SAPK/JNK activation. IRS-1 contains three putative binding sites for 14-3-3 protein at Ser 270, Ser 374 and Ser 641 that are capable of phosphorylation.
Key Feature
Clonality
Polyclonal
Isotype
IgG
Host Species
Rabbit
Tested Applications
WBIPIFELISA
recommended for detection of Ser 636 phosphorylated IRS-I of mouse, rat and human origin by WB, IP, IF and ELISA also reactive with additional species, including equine, canine, bovine, porcine and avian:
Species Reactivity
HumanMouseRat
Concentration
1mg/ml
Purification
Affinity purified
Target Information
Alternative Names
epitope corresponding to phosphorylated Ser 636 of IRS-I of human origin
Tissue Specificity
epitope corresponding to phosphorylated Ser 636 of IRS-I of human origin
Antibodies tested include p-IRS-1 (Ser 636): (A,B,C) and IRS-1 (A-19): (D,E,F).
Application Notes
recommended for detection of Ser 636 phosphorylated IRS-I of mouse, rat and human origin by WB, IP, IF and ELISA also reactive with additional species, including equine, canine, bovine, porcine and avian:
Additional Information
Form
Liquid
Storage Instructions
For short-term storage, store at 4° C. For long-term storage, aliquot and store at -20ºC or below. Avoid multiple freeze-thaw cycles.