Gold-mediated selective cysteine modification of peptides using allenes.

Gold-mediated selective cysteine modification of peptides using allenes.

Chemical communications (Cambridge, England) (2013-01-17)

Anna On-Yee Chan, Johnson Lui-Lui Tsai, Vanessa Kar-Yan Lo, Gai-Li Li, Man-Kin Wong, Chi-Ming Che

PMID23322001

摘要

A new approach for selective modification of cysteine-containing peptides through gold-mediated oxidative allene-thiol coupling reaction in aqueous medium is developed.

材料

货号

品牌

产品描述

R6513

Sigma-Aldrich

核糖核酸酶A 来源于牛胰腺, for molecular biology, ≥70 Kunitz units/mg protein, lyophilized

R4875

Sigma-Aldrich

核糖核酸酶A 来源于牛胰腺, Type I-A, powder, ≥60% RNase A basis (SDS-PAGE), ≥50 Kunitz units/mg protein

R4642

Sigma-Aldrich

核糖核酸酶A 来源于牛胰腺, (Solution of 50% glycerol, 10mM Tris-HCL pH 8.0)

R5503

Sigma-Aldrich

核糖核酸酶A 来源于牛胰腺, Type I-AS, 50-100 Kunitz units/mg protein

R5125

Sigma-Aldrich

核糖核酸酶A 来源于牛胰腺, Type III-A, ≥85% RNase A basis (SDS-PAGE), 85-140 Kunitz units/mg protein

R5000

Sigma-Aldrich

核糖核酸酶A 来源于牛胰腺, Type II-A, ≥60% (SDS-PAGE), >= 60 Kunitz units/mg protein

R7884

Sigma-Aldrich

核糖核酸酶B 来源于牛胰腺, BioReagent, ≥50 Kunitz units/mg protein, ≥80% (SDS-PAGE)

R5500

Sigma-Aldrich

核糖核酸酶A 来源于牛胰腺, Type XII-A, ≥90% (SDS-PAGE), 75-125 Kunitz units/mg protein

R5250

Sigma-Aldrich

核糖核酸酶A 来源于牛胰腺, Type X-A, ≥90% (SDS-PAGE), ≥70 Kunitz units/mg protein

294985

Sigma-Aldrich

丙二烯, ≥95%

V900498

Sigma-Aldrich

核糖核酸酶A 来源于牛胰腺, Vetec^™, reagent grade, 80%

83834

Sigma-Aldrich

核糖核酸酶A 来源于牛胰腺, 4×cryst., ~70 U/mg (acc. to Kunitz)

83833

Sigma-Aldrich

核糖核酸酶A 来源于牛胰腺, 90%, powder, white, ~80 U/mg

R4001

Sigma-Aldrich

Ribonuclease A-agarose, ammonium sulfate suspension, 400-1,000 units/g agarose (One ml gel will yield 12-30 units)