SynthesisandProbingofMembraneboundPeptideArrays1
Synthesis and Probing of Membrane-bound Peptide ArraysRonald FrankDepartment of Chemical Biology, GBF (German Research Center for Biotechnology), 38124 Braunschweig, GermanyStefan DubelInstitute for Biochemistry and Biotechnology, Technical University of Braunschweig, D-38106 Braunschweig, GermanyExcerpted from Protein: Protein Interactions, Second EditionEdited by Erica A. Golemis and Peter D. AdamsABSTRACTThe ......阅读全文
Stripping-for-reprobing-western-blots
实验概要Stripping is the term used to describe the removal of primary and secondary antibodies from a western blot membrane. Stripping is useful when on
多肽的固相合成、切割及纯化(一)
固相肽合成(solid phase peptide synthesis, SPPS)技术是现代蛋白质化学的一项关键技术,也是对现代分子生物学和基因工程研究具有重大影响和重要意义的技术。它的基本过程为:1、偶联保护氨基,即将第一个保护氨基以共价键偶联外固相载体上(在合成过程中始终不能脱落)。2、脱
a-pipeline-for-the-identification-of-intact-Nglycopeptides(五)
Alignment between MS/MS and MS3 identifications. Glycans were identified after analyzing the HCD/CID-MS/MS spectrum pairs, but the sequences of pe
QRTPCR
Comparison of normalisation methodsThere is an ongoing debate what is the best way to normalise qPCR data. Reference genes are the most common method,
QRTPCR
Comparison of normalisation methodsThere is an ongoing debate what is the best way to normalise qPCR data. Reference genes are the most common method,
逻辑分析仪基础知识(十)
探头的结构细分下来也是比较复杂的。探头与被测传输线接触的小互连部分,可以使用PCB走线的方式,也可以使用导线,连接器或弹簧片,要根据实际情况选择。探头的前端包含电阻,有的是分立的SMT电阻,有的是分立电阻,一般阻值都在20k欧姆左右。探头前端到模块有长的电缆,已达到便于连接远近目标的方便性,这些电缆
Assay-of-Tyrosine-Kinases-Using-Synthetic-Peptides
实验概要 Small synthetic peptide substrates are especially well suited for applications such as assays of tyrosine kinases in permeabilized cel
Multiple-studies-with-a-single-experiment:-The-Power-of-...(六)
•SCX and high pH reversed phase fractionation are both orthogonal to low pH C18 LC separation•Strong cation exchange (SCX) requires sample desalting
抗原
· Designing Antigens (Perkin-Elmer)What is an Epitope?Choosing the EpitopeMethods for Epitope PredictionDesigning the Synthetic PeptidePromisc
a-pipeline-for-the-identification-of-intact-Nglycopeptides(三)
Figure 1. The overall workflow of pGlyco. First the sample is analyzed by HCD-MS/MS (NCE = 40%).Then the product-dependent CID-MS/MS and data-depend
湖南师大梁宋平教授用蛋白质组学方法研究中国狼蛛毒素
梁宋平简介: 梁宋平,1970年毕业于北京大学生物学系,1983年获北京大学生物化学硕士学位(导师李建武教授),1986年获北大生物化学博士学位(导师张龙翔教授)。1986-1990年在美国波士顿大学进行博士后研究。1990年至现在在湖南师范大学生命科学学院从事教学与科研工作,1992年晋
20点直播|量子阱纳米线阵列的光电集成应用
原文地址:http://news.sciencenet.cn/htmlnews/2022/4/476914.shtm 直播时间:2022年4月8日(周五)20:00—21:30 直播地址:科学网新浪微博直播间 扫码进入科学网新浪微博直播间观看直播 科学网微信视
CSF1基因编码功能及结构描述
该基因编码的蛋白质是一种控制巨噬细胞产生、分化和功能的细胞因子。这种蛋白的活性形式在细胞外被发现为一种二硫键连的同二聚体,并被认为是由膜结合前体的蛋白水解裂解产生的。编码蛋白可能参与胎盘的发育。交替剪接导致多个转录变体。The protein encoded by this gene is a cy
CSF1基因突变与药物因子介绍
该基因编码的蛋白质是一种控制巨噬细胞产生、分化和功能的细胞因子。这种蛋白的活性形式在细胞外被发现为一种二硫键连的同二聚体,并被认为是由膜结合前体的蛋白水解裂解产生的。编码蛋白可能参与胎盘的发育。交替剪接导致多个转录变体。The protein encoded by this gene is a cy
关于鬼笔环肽的物质介绍
鬼笔环肽是最早发现的环状肽之一。它是从Amanita phalloides中分离出来的,并于1937年由Feodor Lynen和Ulrich Wieland结晶。它的结构不同寻常,因为它包含一个半胱氨酸-色氨酸键,形成一个双环七肽。这种连接以前没有被表征过,这使得鬼笔环肽的结构阐明变得更加困难
芋螺毒素的线性肽合成的相关介绍
芋螺毒素的化学合成是获得芋螺毒素的重要方法,也是进一步研究芋螺毒素活性与结构的基础。关于芋螺毒素线性肽的合成研究已较深入,合成过程中最主要的问题是二硫键如何正确连接。针对不同的芋螺毒素合成,一般是在原有研究基础上,进一步摸索适宜的保护基团和折叠方法。在线性肽的合成过程中,应优化反应试剂,减少副产
a-pipeline-for-the-identification-of-intact-Nglycopeptides(一)
pGlyco: a pipeline for the identification of intact N-glycopeptides by using HCDand CID-MS/MS and MS3 Wen-Feng Zeng1,2,*, Ming-Qi Liu3,*, Yang Zhang3,
Comprehensive-identification-of-novel-proteins-and-Nglycosylation-sites三
Note: All of the identified proteins are from Apis mellifera. Accession is the unique number given to mark the entry of a protein in the database
微流控芯片的前景
目前媒体普遍认为的 生物芯片(micro-arrays),如, 基因芯片、 蛋白质芯片等只是微流量为零的点阵列型杂交芯片,功能非常有限,属于 微流控芯片(micro-chip)的特殊类型,微流控芯片具有更广泛的类型、功能与用途,可以开发出 生物计算机、基因与 蛋白质测序、质谱和色谱等分析系统,成
B-Cell-Receptor-Complex
B cells produce immunoglobulins (Ig, antibodies) that specifically bind antigen molecules. B cells first produce a membrane-bound form of immunoglobul
青科大在超级电容器电极材料研究领域取得新突破
近日,青岛科技大学中德科技学院教授李镇江泰山学者团队在超级电容器电极材料研究领域取得突破性进展,该成果由中德科技学院新引进青年教师赵健和李镇江团队成员共同完成,并以“A High-Energy Density Asymmetric Supercapacitor Based on Fe2O3Nan
Microarrays-to-Characterize-the-MolecularGenetic-Basis-of-Disease
article by Dr. RL McInnes, Agilent Technologies, AustraliaGenomic instability underlies cancer and Copy Number Aberrations (CNA s) are known to underp
cDNA
· cDNA Synthesis (Crawford Lab)mRNA can be converted into DNA (copy DNA, cDNA) by annealing oligo-dT to the 3' poly-A tail that occurs on
a-pipeline-for-the-identification-of-intact-Nglycopeptides(四)
Interpretation of MS3 data. MS3 data were converted to “.ms3” format by pXtract within pFind Studio (version 2.8)26,27, and then analyzed by pFind
Comprehensive-identification-of-novel-proteins-and-Nglycosylation-sites七
Data analysisTandem mass spectra were retrieved using Xcalibur (version 2.2, Thermo Fisher Scientific) and AnalystTF (version 1.6, AB SCIEX) softw
A-Method-for-Structure4
We also used this mutant (SMdC) as a host to generate two types of lacZ transcriptional reporter fusion strains to assay the promoter activity of QS-c
A-Method-for-Structure5
ConclusionsQuorum-sensing signaling systems involving the interaction between a signaling peptide and its cognate histidine kinase receptor are widely
Dynabeads®-Antibody-Coupling-Kit
实验概要Non-specific binding of an antibody to proteins other than the antigen can sometimes occur. This is usually more common with polyclonal antibodi
重度牙周炎引导性组织再生术后5年复发病例报告1
牙周炎是由菌斑微生物所引起的牙周支持组织的慢性感染性疾病,已成为成人牙齿丧失的主要原因,对于年轻、病情较重的牙周炎患者而言,明确的诊断、适宜的治疗方案、创造长期保持牙周组织健康的环境是治疗的关键。本文报告1例年轻患者重度牙周炎治疗过程,该患者通过牙周基础治疗及手术治疗,获得了良好治疗效果,但由于未按
Typical-Western-Tra...
实验概要Peprotech provides a typical western transfer and development protocol.实验原理Western Transfer, also known as Western Blotting, is a rapid immunobl