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| QCB has over 10 years experience in the synthesis of custom phosphopeptides. These peptides have been used in binding studies, as substrates for phosphatases, for ELISA assays and in the production of phospho site specific antibodies (PSSA). We are now adding selective phosphopeptides and phosphopeptide standards to our catalog. Phosphopeptide standards can be used in liquid chromatography and mass spectrometry when studying the analysis, detection and purification of phosphorylated peptides. The peptide standards represent the phosphorylation sites of tyrosine, serine and threonine. | ||||
| Catalog # | Name | Sequence | Size | Price |
|---|---|---|---|---|
| Insulin Receptor Regulatory Region Tyrosine Phosphatase Substrates | ||||
| 20-6500 | Insulin Receptor (1142-1153) | TRDIYETDYYRK-OH | 1.0 mg | $25 |
| 20-6501 | Insulin Receptor (1142-1153)(pY 1146) | TRDI(pY)ETDYYRK-OH | 1.0 mg | $50 |
| 20-6502 | Insulin Receptor (1143-1153)(pY1150) | TRDIYETD(pY)YRK-OH | 1.0 mg | $50 |
| 20-6503 | Insulin Receptor (1142-1153)(pY1151) | TRDIYETDY(pY)RK-OH | 1.0 mg | $50 |
| 20-6524 | Insulin Receptor (1142-1153)(pY1146,pY1150,pY1151) | TRDI(pY)ETD(pY)(pY)RK-OH | 1.0 mg | $75 |
| SH2 Domain Ligand 1 | ||||
| 20-6504 | SH2 Domain Ligand 1 | Ac-D(pY)VPML-NH2 | 1.0 mg | $50 |
| 20-6509 | SH2 Domain Ligand 2 | EPQ(pY)EEIPIYL-OH | 1.0 mg | $50 |
| 20-6510 | SH2 Domain Ligand 3 | Biotin-LC-EPQ(pY)EEIPIYL-OH | 1.0 mg | $75 |
| EGF Receptor Substrate 2 | ||||
| 20-6505 | EGF Receptor Substrate 2 | DADE(pY)LIPQQG-OH | 1.0 mg | $50 |
| Substrates for Protein Tyrosine Phosphatase | ||||
| 20-6507 | Substrate for Tyrosine Phosphatase | ELEF(pY)MDYE-NH2 | 1.0 mg | $50 |
| Substrate for Serine/Threonine Phosphatase | ||||
| 20-6508 | Substrate for Serine/Threonine Phosphatase | KR(pT)IRR-NH2 | 1.0 mg | $50 |
| Phosphopeptide Standards | ||||
| Catalog # | Sequence | MW | Size | Price |
| 20-6511 | Ac-RSGYS(pS)PG(pS)SPGTPG-NH2 | 1594 | 1.0 mg | $75 |
| 20-6512 | Ac-CKHFPQF(pS)YSAS-NH2 | 1523 | 1.0 mg | $50 |
| 20-6513 | Ac-CGSMQ(pS)RRS(pS)QS-NH2 | 1514 | 1.0 mg | $75 |
| 20-6514 | Ac-CTTS(pS)FKK-NH2 | 1022 | 1.0 mg | $50 |
| 20-6515 | Ac-CLKKL(pS)GK-NH2 | 997 | 1.0 mg | $50 |
| 20-6516 | Ac-SKRF(pT)RSDHLSC-NH2 | 1558 | 1.0 mg | $50 |
| 20-6508 | KR(pT)IRR-NH2 | 908 | 1.0 mg | $50 |
| 20-6517 | Ac-PD(pY)EPIRKGQRDL(pY)SGLNQR-NH2 | 2607 | 1.0 mg | $100 |
| 20-6518 | EDGSLQGPIGNQHI(pY)QPVGK-OH | 2217 | 1.0 mg | $75 |
| 20-6519 | Ac-DHQ(pY)(pY)NDFPGKEPC-NH2 | 1914 | 1.0 mg | $75 |
| 20-6520 | VGEEEHV(pY)SFPNK-OH | 1615 | 1.0 mg | $50 |
| 20-6521 | Ac-DD(pY)HNV-OH | 884 | 1.0 mg | $50 |
| 20-6522 | RRA(pY)VA-OH | 815 | 1.0 mg | $50 |
| 20-6523 | Ac-(pY)-NH2 | 302 | 1.0 mg | $50 |
| 20-6525 | LVV(pS)TQ(pT)ALA-OH | 1162 | 1.0 mg | $75 |
Please inquire for technical service and pricing at peptide@qcb.com