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专注多肽 服务科研
一种前体血管活性肠肽 (VIP) 的衍生肽,对应其 81-122 残基氨基酸序列。
编号:150156
CAS号:111366-38-2
单字母:H2N-HADGVFTSDFSKLLGQLSAKKYLESLMGKRVSSNISEDPVPV-OH
Prepro VIP (81-122), human 是一种前体血管活性肠肽 (VIP) 的衍生肽,对应其 81-122 残基氨基酸序列。肽组氨酸-缬氨酸 42 (PHV-42) 已被指定与 Prepro VIP (81-122) 完全对应,它可降低离体大鼠子宫自发收缩的力和频率。
Prepro VIP (81-122), human is a prepro-vasoactive intestinal polypeptide (VIP) derived peptide, corresponding to residues 81-122. Peptide histidine valine 42 (PHV-42) has been designated to correspond exactly to Prepro VIP (81-122), which reduces both the force and frequency of spontaneous contractions of isolated rat uterus[1].
Yiangou Y, et al. Isolation, characterization, and pharmacological actions of peptide histidine valine 42, a novelprepro-vasoactive intestinal peptide-derived peptide. J Biol Chem. 1987 Oct 15;262(29):14010-3. : https://www.ncbi.nlm.nih.gov/pubmed/3654650
多肽H2N-His-Ala-Asp-Gly-Val-Phe-Thr-Ser-Asp-Phe-Ser-Lys-Leu-Leu-Gly-Gln-Leu-Ser-Ala-Lys-Lys-Tyr-Leu-Glu-Ser-Leu-Met-Gly-Lys-Arg-Val-Ser-Ser-Asn-Ile-Ser-Glu-Asp-Pro-Val-Pro-Val-COOH的合成步骤:
1、合成CTC树脂:称取2.22g CTC Resin(如初始取代度约为0.36mmol/g)和0.96mmol Fmoc-Val-OH于反应器中,加入适量DCM溶解氨基酸(需要注意,此时CTC树脂体积会增大好几倍,避免DCM溶液过少),再加入2.4mmol DIPEA(Mw:129.1,d:0.740g/ml),反应2-3小时后,可不抽滤溶液,直接加入1ml的HPLC级甲醇,封端半小时。依次用DMF洗涤2次,甲醇洗涤1次,DCM洗涤一次,甲醇洗涤一次,DCM洗涤一次,DMF洗涤2次(这里使用甲醇和DCM交替洗涤,是为了更好地去除其他溶质,有利于后续反应)。得到 Fmoc-Val-CTC Resin。结构图如下:
2、脱Fmoc:加3倍树脂体积的20%Pip/DMF溶液,鼓氮气30分钟,然后2倍树脂体积的DMF 洗涤5次。得到 H2N-Val-CTC Resin 。(此步骤脱除Fmoc基团,茚三酮检测为蓝色,Pip为哌啶)。结构图如下:
3、缩合:取2.4mmol Fmoc-Pro-OH 氨基酸,加入到上述树脂里,加适当DMF溶解氨基酸,再依次加入4.8mmol DIPEA,2.28mmol HBTU。反应30分钟后,取小样洗涤,茚三酮检测为无色。用2倍树脂体积的DMF 洗涤3次树脂。(洗涤树脂,去掉残留溶剂,为下一步反应做准备)。得到Fmoc-Pro-Val-CTC Resin。氨基酸:DIPEA:HBTU:树脂=3:6:2.85:1(摩尔比)。结构图如下:
4、依次循环步骤二、步骤三,依次得到
H2N-Pro-Val-CTC Resin
Fmoc-Val-Pro-Val-CTC Resin
H2N-Val-Pro-Val-CTC Resin
Fmoc-Pro-Val-Pro-Val-CTC Resin
H2N-Pro-Val-Pro-Val-CTC Resin
Fmoc-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Ser(tBu)-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Ser(tBu)-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Phe-Ser(tBu)-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Phe-Ser(tBu)-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Asp(OtBu)-Phe-Ser(tBu)-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Asp(OtBu)-Phe-Ser(tBu)-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Ser(tBu)-Asp(OtBu)-Phe-Ser(tBu)-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Ser(tBu)-Asp(OtBu)-Phe-Ser(tBu)-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Phe-Ser(tBu)-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Phe-Ser(tBu)-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Phe-Ser(tBu)-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Phe-Ser(tBu)-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Val-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Phe-Ser(tBu)-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Val-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Phe-Ser(tBu)-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Gly-Val-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Phe-Ser(tBu)-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Gly-Val-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Phe-Ser(tBu)-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Asp(OtBu)-Gly-Val-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Phe-Ser(tBu)-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Asp(OtBu)-Gly-Val-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Phe-Ser(tBu)-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-Ala-Asp(OtBu)-Gly-Val-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Phe-Ser(tBu)-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
H2N-Ala-Asp(OtBu)-Gly-Val-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Phe-Ser(tBu)-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
Fmoc-His(Trt)-Ala-Asp(OtBu)-Gly-Val-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Phe-Ser(tBu)-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin
以上中间结构,均可在专肽生物多肽计算器-多肽结构计算器中,一键画出。
最后再经过步骤二得到 H2N-His(Trt)-Ala-Asp(OtBu)-Gly-Val-Phe-Thr(tBu)-Ser(tBu)-Asp(OtBu)-Phe-Ser(tBu)-Lys(Boc)-Leu-Leu-Gly-Gln(Trt)-Leu-Ser(tBu)-Ala-Lys(Boc)-Lys(Boc)-Tyr(tBu)-Leu-Glu(OtBu)-Ser(tBu)-Leu-Met-Gly-Lys(Boc)-Arg(Pbf)-Val-Ser(tBu)-Ser(tBu)-Asn(Trt)-Ile-Ser(tBu)-Glu(OtBu)-Asp(OtBu)-Pro-Val-Pro-Val-CTC Resin,结构如下:
5、切割:6倍树脂体积的切割液(或每1g树脂加8ml左右的切割液),摇床摇晃 2小时,过滤掉树脂,用冰无水乙醚沉淀滤液,并用冰无水乙醚洗涤沉淀物3次,最后将沉淀物放真空干燥釜中,常温干燥24小试,得到粗品H2N-His-Ala-Asp-Gly-Val-Phe-Thr-Ser-Asp-Phe-Ser-Lys-Leu-Leu-Gly-Gln-Leu-Ser-Ala-Lys-Lys-Tyr-Leu-Glu-Ser-Leu-Met-Gly-Lys-Arg-Val-Ser-Ser-Asn-Ile-Ser-Glu-Asp-Pro-Val-Pro-Val-COOH。结构图见产品结构图。
切割液选择: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%
(前两种适合没有容易氧化的氨基酸,例如Trp、Cys、Met。第三种适合几乎所有的序列。)
6、纯化冻干:使用液相色谱纯化,收集目标峰液体,进行冻干,获得蓬松的粉末状固体多肽。不过这时要取小样复测下纯度 是否目标纯度。
7、最后总结:
杭州专肽生物技术有限公司(ALLPEPTIDE https://www.allpeptide.com)主营定制多肽合成业务,提供各类长肽,短肽,环肽,提供各类修饰肽,如:荧光标记修饰(CY3、CY5、CY5.5、CY7、FAM、FITC、Rhodamine B、TAMRA等),功能基团修饰肽(叠氮、炔基、DBCO、DOTA、NOTA等),同位素标记肽(N15、C13),订书肽(Stapled Peptide),脂肪酸修饰肽(Pal、Myr、Ste),磷酸化修饰肽(P-Ser、P-Thr、P-Tyr),环肽(酰胺键环肽、一对或者多对二硫键环),生物素标记肽,PEG修饰肽,甲基化修饰肽等。
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