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- 详细信息
- 文献和实验
- 技术资料
- CAS号:
5037-75-2
- 规格:
1mLx10mM(inDMSO)/1mg/5mg
| 规格: | 1mLx10mM(inDMSO) | 产品价格: | ¥201.0 |
|---|---|---|---|
| 规格: | 1mg | 产品价格: | ¥102.0 |
| 规格: | 5mg | 产品价格: | ¥182.0 |
Product Introduction
Bioactivity
| 名称 | Cyclo(Phe-Gly) |
| 描述 | Cyclo(Phe-Gly) is a naturally occurring cyclic dipeptide formed by the cyclization of phenylalanine and glycine. Cyclo(Phe-Gly) exhibits antibacterial, anticancer, and anti-inflammatory activities and is widely found in microbial fermentation broths, as well as in plants and animals. Cyclo(Phe-Gly) can be used in research on microorganisms and tumor mechanisms. |
| 体外活性 | To discover antagonists of VEGFR2-CD from the fermentation broth produced by streptomyces strain I06A-02832. METHODS AND RESULTS:Under the guidance of ELISA assay against VEGFR2-CD, Compounds 2832 B and 2832 C were isolated and purified by combination of different column chromatographies and HPLC. The structures of compounds 2832 B and C were identified by combination of analysis of UV, IR, MS and 1D-NMR, 2D-NMR. Compounds 2832 B and 2832 C were purified and structurally identified as cyclic dipeptides, and were the same with cyclo-(Pro-Tyr) and Cyclo(Phe-Gly) respectively. Compounds 2832 B and 2832 C showed weak antagonistic activity against VEGFR2-CD by ELISA assay. CONCLUSIONS: They are firstly reported compounds 2832 B and 2832 C had antagonistic activity against VEGFR2-CD. |
| 存储条件 | Powder: -20°C for 3 years | In solvent: -80°C for 1 year Shipping with blue ice/Shipping at ambient temperature. |
| 溶解度 | DMSO : 4 mg/mL (19.59 mM), Sonication is recommended. |
| 关键字 | Cyclo(Phe-Gly) | Cyclo(PheGly) | Cyclo(Phe Gly) |
| 相关产品 | Adipic dihydrazide | Levulinic acid | Doxycycline | Neomycin sulfate | Terbinafine hydrochloride | BES | Dimethyl sulfoxide | Sodium bicarbonate | Hyaluronic acid sodium (MW 20 kDa) | Sodium diacetate | Sulfamethoxazole sodium | D(+)-Raffinose pentahydrate |
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文献和实验序列类似物Cyclo(Arg-Lys-Iles-Gla-Ile-Val-Arg-Lys-Lys-Cys)也是采用HATU为缩合剂进行环合反应得到的。 从以上给出的例子可以看出,环肽合成的缩合剂不象DCC那样具有普遍的适用性。不同的环肽合成要求不同的缩合剂。 2.2 TBTU和HBTU TBTU和HBTU最早是用于合成线性二肽和三肽的苯骈三氮唑类缩合剂。使用过程中,发现这两种化合物在某些环肽的合成中表现出快速、高效的优点。Knorr等以TBTU/HoBt为缩合剂在DMF中得到了Cyclo
糖类。其中①糖醇类有:木糖醇、山梨糖醇、甘露糖醇、乳糖醇、麦芽糖醇、异麦芽糖醇、赤鲜糖醇;②非糖类包括:甜菊糖甙、甘草、奇异果素、罗汉果素、索马甜。2)人工合成甜味剂其中磺胺类有:糖精、环己基氨基磺酸钠、乙酰磺胺酸钾。二肽类有:天门冬酰苯丙酸甲酯(又阿斯巴甜)、1-a-天冬氨酰-N-(2,2,4,4-四甲基-3-硫化三亚甲基)-D-丙氨酰胺(又称阿力甜)。蔗糖的衍生物有:三氯蔗糖、异麦芽酮糖醇(又称帕拉金糖)、新糖(果糖低聚糖)。 此外,按营养价值可分为营养性和非营养性甜味剂,如蔗糖
,故常以GSH来表示。它在体内的氧化还原过程中起重要作用。脑啡肽是天然止痛剂。肌肉中的鹅肌肽是一个二肽,即β-丙氨酰组氨酸。肌肽可作为肌肉中的缓冲剂,缓冲肌肉产生的乳酸对pH的影响。一种抗菌素叫做短杆菌酪肽,由12种氨基酸组成,其中有几种是D-氨基酸。这些天然肽中的非蛋白质氨基酸可以使其免遭蛋白酶水解。许多激素也是多肽,如催产素、加压素、舒缓激肽等。 二、肽的理化性质 小肽的理化性质与氨基酸类似。许多小肽已经结晶。晶体的熔点很高,说明是离子晶体,在水溶液中以偶极离子存在。肽键的亚氨基
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