400-998-5282
专注多肽 服务科研
400-998-5282
专注多肽 服务科研
| 编号: | 200205 |
| 中文名称: | 八肽pGlu-DHis-WSY-DTrp-LRP-NHEt |
| CAS号: | 1872435-01-2 |
| 单字母: | Pyr-hWSYwLRP-NHEt |
| 三字母: | Pyr 焦谷氨酸（Glp、pGlu、Pyr）是一种在蛋白质N端位置发现的蛋白质生成氨基酸。它是由N端谷氨酸残基环化形成内酰胺而产生的。 -DHisD型组氨酸 -TrpL-色氨酸：tryptophan[e]。系统命名为(2S)-氨基-3-(3-吲哚基)丙酸。是编码氨基酸，哺乳动物的必需氨基酸。符号：W，Trp。某些抗菌素中含有 D-色氨酸。 -SerL-丝氨酸：serine。系统命名为(2S)-氨基-3-羟基丙酸。是编码氨基酸。因可从蚕丝中获得而得名。符号：S，Ser。在丝原蛋白及某些抗菌素中含有 D-丝氨酸。 -TyrL-酪氨酸：tyrosine。系统命名为(2S)-氨基-3-(4-羟基苯基)丙酸。是编码氨基酸。符号：Y，Tyr。 -DTrpD型色氨酸 -LeuL-亮氨酸：leucine。系统命名为(2S)-氨基-4-甲基戊酸。是编码氨基酸。是哺乳动物的必需氨基酸。符号：L，Leu。 -ArgL-精氨酸：arginine。系统命名为(2S)-氨基-5-胍基戊酸。在生理条件下带正电荷，为编码氨基酸。是幼小哺乳动物的必需氨基酸。符号：R，Arg。 -ProL-脯氨酸：proline。系统命名为吡咯烷-(2S)-羧酸。为亚氨基酸。是编码氨基酸。在肽链中有特殊作用，如易形成顺式的肽键等。符号：P，Pro。 -NHEtC端乙胺基化修饰 |
| 氨基酸个数: | 8 |
| 分子式: | C64H83N17O12 |
| 平均分子量: | 1282.45 |
| 精确分子量: | 1281.64 |
| 等电点(PI): | - |
| pH=7.0时的净电荷数: | 2.24 |
| 平均亲水性: | -1.3142857142857 |
| 疏水性值: | -1.13 |
| 消光系数: | 12490 |
| 来源: | 人工化学合成，仅限科学研究使用，不得用于人体。 |
| 储存条件: | 负80℃至负20℃ |
| 标签: | D型氨基酸肽 |
很多蛋白在细胞中非常容易被降解，或被标记，进而被选择性地破坏。但含有部分D型氨基酸的多肽则显示了很强的抵抗蛋白酶降解能力。
| DOI | 名称 | |
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