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140896-21-5

中文名稱 ILE-LEU-PRO-TRP-LYS-TRP-PRO-TRP-TRP-PRO-TRP-ARG-ARG-NH2
英文名稱 INDOLICIDIN
CAS 140896-21-5
分子式 C100H132N26O13
分子量 1906.28
MOL 文件 140896-21-5.mol
更新日期 2024/11/05 13:48:13
140896-21-5 結構式 140896-21-5 結構式

基本信息

中文別名
IR-13-NH2
INDOLICIDIN肽
英文別名
INDOLICIDIN
Indolicidin TFA
ILPWKWPWWPWRR-NH2
IndolicidinIndolicid
Indolicidin, ≥97% (HPLC)
42: PN: US7381704 SEQID: 42 claimed sequence
ILE-LEU-PRO-TRP-LYS-TRP-PRO-TRP-TRP-PRO-TRP-ARG-ARG-NH2
H-ILE-LEU-PRO-TRP-LYS-TRP-PRO-TRP-TRP-PRO-TRP-ARG-ARG-NH2
L-ArgininaMide,L-isoleucyl-L-leucyl-L-prolyl-L-tryptophyl-L-lysyl-L-tryptophyl-L-prolyl-L-tryptophyl-L-tryptophyl-L-prolyl-L-tryptophyl-L-arginyl-

物理化學性質(zhì)

密度1.45±0.1 g/cm3(Predicted)
RTECS號NM1890250
儲存條件−20°C
溶解度可微溶于水
酸度系數(shù)(pKa)13.29±0.46(Predicted)
形態(tài)粉末
顏色White to off-white
水溶解性Soluble in water (1 mg/ml).
序列H--Ile-Leu-Pro-Trp-Lys-Trp-Pro-Trp-Trp-Pro-Trp-Arg-Arg-NH2

安全數(shù)據(jù)

WGK Germany3
抗菌肽Indolicidin價格(試劑級)
報價日期產(chǎn)品編號產(chǎn)品名稱CAS號包裝價格
2024/01/25HY-P0261ILE-LEU-PRO-TRP-LYS-TRP-PRO-TRP-TRP-PRO-TRP-ARG-ARG-NH2
Indolicidin
140896-21-5500μg1600元
2024/01/25HY-P0261ILE-LEU-PRO-TRP-LYS-TRP-PRO-TRP-TRP-PRO-TRP-ARG-ARG-NH2
Indolicidin
140896-21-51mg2600元
2024/01/25HY-P0261ILE-LEU-PRO-TRP-LYS-TRP-PRO-TRP-TRP-PRO-TRP-ARG-ARG-NH2
Indolicidin
140896-21-55mg7800元

常見問題列表

生物活性
Indolicidin是從牛嗜中性粒細胞的細胞質(zhì)顆粒中純化的有效的抗微生物肽。
體外研究

Indolicidin is comprised of 13 amino acids, 5 of which are tryptophan residues, and the carboxylterminal arginine is carboxamidated. Indolicidin has the highest tryptophan content of any known protein. The multiple tryptophan residues may play an important role in the function of this unique antibiotic peptide. Indolicidin is a tridecapeptide amide which possesses in vitro bactericidal activities comparable with the most active of the defensin or bactenecin peptides. Indolicidin binds purified surface lipopolysaccharide with high affinity and permeabilized the outer membrane of Escherichia coli to the small hydrophobic molecule 1-N-phenylnapthylamine (Mr 200), results consistent with indolicidin crossing the outer membrane via the self-promoted uptake pathway. The methyl esterification of indolicidin's carboxyl terminus increases its activity for Gram-negative and Gram-positive bacteria. In Gram-negative bacteria this is associated with an increased binding to lipopolysaccharide and increased permeabilization of the outer membrane. The cytoplasmic membrane is the site of action of indolicidin as assayed in Escherichia coli by the unmasking of cytoplasmic beta-galactosidase due to membrane permeabilization.

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