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專注多肽 服務(wù)科研
艾塞那肽的雜質(zhì)。
編號(hào)：192018
CAS號(hào)：1678416-95-9
單字母：H2N-HGEGTFTSDLSKQMEEEAVRLFIEWLKNGGPSSGAPPPPS-CONH2
Impurity of exenatide.
| DOI | 名稱 | |
|---|---|---|
| 10.1152/ajpendo.00030.2002 | The long-acting GLP-1 derivative NN2211 ameliorates glycemia and increases beta-cell mass in diabetic mice | 下載 |
| 10.1016/S0165-6147(03)00160-3 | The glucagon-like peptides: a double-edged therapeutic sword? | 下載 |
| 10.1038/sj.bjp.0705453 | A model for receptor-peptide binding at the glucagon-like peptide-1 (GLP-1) receptor through the analysis of truncated ligands and receptors | 下載 |
| 10.1016/s0014-5793(03)01043-3 | The positive charge at Lys-288 of the glucagon-like peptide-1 (GLP-1) receptor is important for binding the N-terminus of peptide agonists | 下載 |
| 10.1007/s00125-004-1327-5 | Glucagon-like peptide-1 regulates proliferation and apoptosis via activation of protein kinase B in pancreatic INS-1 beta cells | 下載 |
| 10.1007/s00125-005-1787-2 | Glucagon-like peptide-1 protects beta cells from cytokine-induced apoptosis and necrosis: role of protein kinase B | 下載 |
| 10.1172/JCI25764 | Brain glucagon-like peptide-1 increases insulin secretion and muscle insulin resistance to favor hepatic glycogen storage | 下載 |
| 10.1152/ajpgi.00453.2006 | Exendin-4, but not dipeptidyl peptidase IV inhibition, increases small intestinal mass in GK rats | 下載 |
| 10.1002/jnr.21483 | Peptide hormone exendin-4 stimulates subventricular zone neurogenesis in the adult rodent brain and induces recovery in an animal model of Parkinson's disease | 下載 |
| 10.1016/j.regpep.2007.10.001 | Protective effects of GLP-1 analogues exendin-4 and GLP-1(9-36) amide against ischemia-reperfusion injury in rat heart | 下載 |
| 10.1038/bjp.2008.75 | Autonomic nervous system-dependent and -independent cardiovascular effects of exendin-4 infusion in conscious rats | 下載 |
| 10.1016/j.peptides.2008.04.007 | Glucagon-like peptide 1 (7-36) amide (GLP-1) and exendin-4 stimulate serotonin release in rat hypothalamus | 下載 |
| 10.1136/gut.2008.150870 | Exendin-4, a glucagon-like peptide 1 receptor agonist, protects cholangiocytes from apoptosis | 下載 |
| 10.2337/db08-0799 | Exendin-4 improves glycemic control, ameliorates brain and pancreatic pathologies, and extends survival in a mouse model of Huntington's disease | 下載 |
| 10.1677/JOE-08-0507 | Exendin-4 inhibits interleukin-1beta-induced iNOS expression at the protein level, but not at the transcriptional and posttranscriptional levels, in RINm5F beta-cells | 下載 |
| 10.1113/jphysiol.2009.175067 | Vagally mediated effects of glucagon-like peptide 1: in vitro and in vivo gastric actions | 下載 |
| 10.2337/db09-0104 | Expression of the NH(2)-terminal fragment of RasGAP in pancreatic beta-cells increases their resistance to stresses and protects mice from diabetes | 下載 |
| 10.1152/ajprenal.00082.2009 | Regulation of Na+/H+ exchanger NHE3 by glucagon-like peptide 1 receptor agonist exendin-4 in renal proximal tubule cells | 下載 |
| 10.1007/s00125-009-1611-5 | The glucagon-like peptide 1 receptor is essential for postprandial lipoprotein synthesis and secretion in hamsters and mice | 下載 |
| 10.1210/en.2009-1272 | Glucagon-like Peptide-1 receptor agonists activate rodent thyroid C-cells causing calcitonin release and C-cell proliferation | 下載 |
| 10.1152/ajpregu.00275.2010 | Dose combinations of exendin-4 and salmon calcitonin produce additive and synergistic reductions in food intake in nonhuman primates | 下載 |
| 10.4155/bio.10.108 | Application of DBS for quantitative assessment of the peptide Exendin-4; comparison of plasma and DBS method by UHPLC-MS/MS | 下載 |
| 10.1007/s00125-010-2028-x | Glucagon-like peptide-1 receptor agonist ameliorates renal injury through its anti-inflammatory action without lowering blood glucose level in a rat model of type 1 diabetes | 下載 |
| 10.1038/ijo.2011.126 | Exogenous peptide YY3-36 and Exendin-4 further decrease food intake, whereas octreotide increases food intake in rats after Roux-en-Y gastric bypass | 下載 |
| 10.1111/j.1432-2277.2011.01332.x | Stimulating beta cell replication and improving islet graft function by GPR119 agonists | 下載 |
| 10.1038/ijo.2012.16 | Additive feeding inhibitory and aversive effects of naltrexone and exendin-4 combinations | 下載 |
| 10.1007/s12035-012-8239-z | Glucagon-like peptide 1 (GLP-1) can reverse AMP-activated protein kinase (AMPK) and S6 kinase (P70S6K) activities induced by fluctuations in glucose levels in hypothalamic areas involved in feeding behaviour | 下載 |
| 10.1172/JCI57256 | An anti-diabetes agent protects the mouse brain from defective insulin signaling caused by Alzheimer's disease- associated Aβ oligomers | 下載 |
| 10.1016/j.regpep.2012.06.007 | Postconditioning with curaglutide, a novel GLP-1 analog, protects against heart ischemia-reperfusion injury in an isolated rat heart | 下載 |
| 10.1074/jbc.M112.387316 | Euglycemic agent-mediated hypothalamic transcriptomic manipulation in the N171-82Q model of Huntington disease is related to their physiological efficacy | 下載 |
| 10.1016/j.cmet.2012.07.001 | Dual role of VAMP8 in regulating insulin exocytosis and islet β cell growth | 下載 |
| 10.1016/j.metabol.2012.07.005 | Induction of apolipoprotein A-I gene expression by glucagon-like peptide-1 and exendin-4 in hepatocytes but not intestinal cells | 下載 |
| 10.1371/journal.pone.0056553 | Neonatal exendin-4 reduces growth, fat deposition and glucose tolerance during treatment in the intrauterine growth-restricted lamb | 下載 |
| 10.1172/JCI68295 | Exenatide and the treatment of patients with Parkinson's disease | 下載 |
| 10.1371/journal.pone.0074033 | The expression of the beta cell-derived autoimmune ligand for the killer receptor nkp46 is attenuated in type 2 diabetes | 下載 |
| 10.1007/s12035-013-8630-4 | PAS kinase is a nutrient and energy sensor in hypothalamic areas required for the normal function of AMPK and mTOR/S6K1 | 下載 |
| 10.1111/bph.12498 | Characterization of the heterozygous glucokinase knockout mouse as a translational disease model for glucose control in type 2 diabetes | 下載 |
| 10.1016/j.molmet.2014.09.005 | GLP-1 receptor agonism ameliorates hepatic VLDL overproduction and de novo lipogenesis in insulin resistance | 下載 |
| 10.1016/j.molmet.2015.01.003 | Clic4, a novel protein that sensitizes β-cells to apoptosis | 下載 |
| 10.1371/journal.pone.0123443 | Evaluation of ¹¹¹in-labelled exendin-4 derivatives containing different meprin β-specific cleavable linkers | 下載 |
| 10.1007/s00125-015-3727-0 | Central GLP-1 receptor signalling accelerates plasma clearance of triacylglycerol and glucose by activating brown adipose tissue in mice | 下載 |
| 10.1371/journal.pone.0142314 | CCK Response Deficiency in Synphilin-1 Transgenic Mice | 下載 |
| 10.1038/cddis.2015.399 | Inhibition of the MAP3 kinase Tpl2 protects rodent and human β-cells from apoptosis and dysfunction induced by cytokines and enhances anti-inflammatory actions of exendin-4 | 下載 |
| 10.1016/0196-9781(94)90204-6 | Stable expression of the rat GLP-I receptor in CHO cells: activation and binding characteristics utilizing GLP-I(7-36)-amide, oxyntomodulin, exendin-4, and exendin(9-39) | 下載 |
| 10.2337/diabetes.51.5.1443 | Persistent improvement of type 2 diabetes in the Goto-Kakizaki rat model by expansion of the beta-cell mass during the prediabetic period with glucagon-like peptide-1 or exendin-4 | 下載 |
| 10.1677/joe.1.06723 | cAMP-mediated signaling normalizes glucose-stimulated insulin secretion in uncoupling protein-2 overexpressing beta-cells | 下載 |
| 10.1111/j.1463-1326.2009.01066.x | Long-term exendin-4 treatment delays natural deterioration of glycaemic control in diabetic Goto-Kakizaki rats | 下載 |
| 10.1002/jcp.22243 | Presence of a functional receptor for GLP-1 in osteoblastic cells, independent of the cAMP-linked GLP-1 receptor | 下載 |
| 10.1016/j.bone.2015.08.006 | Chronic administration of Glucagon-like peptide-1 receptor agonists improves trabecular bone mass and architecture in ovariectomised mice | 下載 |
| 10.1371/journal.pone.0147254 | Identification of Human Islet Amyloid Polypeptide as a BACE2 Substrate | 下載 |
| 10.1016/j.molmet.2016.04.008 | Limiting glucocorticoid secretion increases the anorexigenic property of Exendin-4 | 下載 |
多肽H2N-His-Gly-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Leu-Ser-Lys-Gln-Met-Glu-Glu-Glu-Ala-Val-Arg-Leu-Phe-Ile-Glu-Trp-Leu-Lys-Asn-Gly-Gly-Pro-Ser-Ser-Gly-Ala-Pro-Pro-Pro-Pro-Ser-NH2的合成步驟：
1、合成MBHA樹脂：取若干克的MBHA樹脂（如初始取代度為0.5mmol/g）和1倍樹脂摩爾量的Fmoc-Linker-OH加入到反應(yīng)器中，加入DMF，攪拌使氨基酸完全溶解。再加入樹脂2倍量的DIEPA，攪拌混合均勻。再加入樹脂0.95倍量的HBTU，攪拌混合均勻。反應(yīng)3-4小時(shí)后，用DMF洗滌3次。用2倍樹脂體積的10%乙酸酐/DMF 進(jìn)行封端30分鐘。然后再用DMF洗滌3次，甲醇洗滌2次，DCM洗滌2次，再用甲醇洗滌2次。真空干燥12小時(shí)以上，得到干燥的樹脂{Fmoc-Linker-MHBA Resin}，測(cè)定取代度。這里測(cè)得取代度為 0.3mmol/g。結(jié)構(gòu)如下圖：
2、脫Fmoc：取2.6g的上述樹脂，用DCM或DMF溶脹20分鐘。用DMF洗滌2遍。加3倍樹脂體積的20%Pip/DMF溶液，鼓氮?dú)?0分鐘，然后2倍樹脂體積的DMF 洗滌5次。得到 H2N-Linker-MBHA Resin 。（此步驟脫除Fmoc基團(tuán)，茚三酮檢測(cè)為藍(lán)色，Pip為哌啶）。結(jié)構(gòu)圖如下：
3、縮合：取2.34mmol Fmoc-Ser(tBu)-OH 氨基酸，加入到上述樹脂里，加適當(dāng)DMF溶解氨基酸，再依次加入4.68mmol DIPEA，2.22mmol HBTU。反應(yīng)30分鐘后，取小樣洗滌，茚三酮檢測(cè)為無(wú)色。用2倍樹脂體積的DMF 洗滌3次樹脂。（洗滌樹脂，去掉殘留溶劑，為下一步反應(yīng)做準(zhǔn)備）。得到Fmoc-Ser(tBu)-Linker-MBHA Resin。氨基酸：DIPEA：HBTU：樹脂=3：6：2.85：1（摩爾比）。結(jié)構(gòu)圖如下：
4、依次循環(huán)步驟二、步驟三，依次得到
H2N-Ser(tBu)-Linker-MBHA Resin
Fmoc-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Ser(tBu)-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Ser(tBu)-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Leu-Ser(tBu)-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Leu-Ser(tBu)-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Asp(OtBu)-Leu-Ser(tBu)-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Asp(OtBu)-Leu-Ser(tBu)-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Ser(tBu)-Asp(OtBu)-Leu-Ser(tBu)-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Ser(tBu)-Asp(OtBu)-Leu-Ser(tBu)-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Leu-Ser(tBu)-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Leu-Ser(tBu)-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Leu-Ser(tBu)-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Leu-Ser(tBu)-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Thr(tBu)-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Leu-Ser(tBu)-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Thr(tBu)-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Leu-Ser(tBu)-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Gly-Thr(tBu)-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Leu-Ser(tBu)-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Gly-Thr(tBu)-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Leu-Ser(tBu)-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Glu(OtBu)-Gly-Thr(tBu)-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Leu-Ser(tBu)-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Glu(OtBu)-Gly-Thr(tBu)-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Leu-Ser(tBu)-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-Gly-Glu(OtBu)-Gly-Thr(tBu)-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Leu-Ser(tBu)-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
H2N-Gly-Glu(OtBu)-Gly-Thr(tBu)-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Leu-Ser(tBu)-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
Fmoc-His(Trt)-Gly-Glu(OtBu)-Gly-Thr(tBu)-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Leu-Ser(tBu)-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin
以上中間結(jié)構(gòu)，均可在專肽生物多肽計(jì)算器-多肽結(jié)構(gòu)計(jì)算器中，一鍵畫出。
最后再經(jīng)過步驟二得到 H2N-His(Trt)-Gly-Glu(OtBu)-Gly-Thr(tBu)-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Leu-Ser(tBu)-Lys(Boc)-Gln(Trt)-Met-Glu(OtBu)-Glu(OtBu)-Glu(OtBu)-Ala-Val-Arg(Pbf)-Leu-Phe-Ile-Glu(OtBu)-Trp(Boc)-Leu-Lys(Boc)-Asn(Trt)-Gly-Gly-Pro-Ser(tBu)-Ser(tBu)-Gly-Ala-Pro-Pro-Pro-Pro-Ser(tBu)-Linker-MBHA Resin，結(jié)構(gòu)如下：
5、切割：6倍樹脂體積的切割液（或每1g樹脂加8ml左右的切割液），搖床搖晃 2小時(shí)，過濾掉樹脂，用冰無(wú)水乙醚沉淀濾液，并用冰無(wú)水乙醚洗滌沉淀物3次，最后將沉淀物放真空干燥釜中，常溫干燥24小試，得到粗品H2N-His-Gly-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Leu-Ser-Lys-Gln-Met-Glu-Glu-Glu-Ala-Val-Arg-Leu-Phe-Ile-Glu-Trp-Leu-Lys-Asn-Gly-Gly-Pro-Ser-Ser-Gly-Ala-Pro-Pro-Pro-Pro-Ser-NH2。結(jié)構(gòu)圖見產(chǎn)品結(jié)構(gòu)圖。
切割液選擇：1）TFA：H2O=95%：5%
2）TFA：H2O：TIS=95%：2.5%：2.5%
3）三氟乙酸：茴香硫醚：1，2-乙二硫醇：苯酚：水=87.5%：5%：2.5%：2.5%：2.5%
（前兩種適合沒有容易氧化的氨基酸，例如Trp、Cys、Met。第三種適合幾乎所有的序列。）
6、純化凍干：使用液相色譜純化，收集目標(biāo)峰液體，進(jìn)行凍干，獲得蓬松的粉末狀固體多肽。不過這時(shí)要取小樣復(fù)測(cè)下純度 是否目標(biāo)純度。
7、最后總結(jié)：
杭州專肽生物技術(shù)有限公司（ALLPEPTIDE http://tsjxdd.com）主營(yíng)定制多肽合成業(yè)務(wù)，提供各類長(zhǎng)肽，短肽，環(huán)肽，提供各類修飾肽，如：熒光標(biāo)記修飾（CY3、CY5、CY5.5、CY7、FAM、FITC、Rhodamine B、TAMRA等），功能基團(tuán)修飾肽（疊氮、炔基、DBCO、DOTA、NOTA等），同位素標(biāo)記肽（N15、C13），訂書肽（Stapled Peptide）,脂肪酸修飾肽（Pal、Myr、Ste），磷酸化修飾肽（P-Ser、P-Thr、P-Tyr），環(huán)肽（酰胺鍵環(huán)肽、一對(duì)或者多對(duì)二硫鍵環(huán)），生物素標(biāo)記肽，PEG修飾肽，甲基化修飾肽等。
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