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Custom peptides synthesis:


PopChem has many years of experience in solid phase peptide synthesis. We can offer a wide range of different purity , length and special modified peptides to meet customers� different research according to their requests .PopChem specializes in peptides, especially in the cyclic peptide (Cyclicpeptide), composite antigen peptide (MAPs), isotope labeling Peptides (15N,13C), methylation peptide (Methyl - peptide), sulfonated peptide (Sulfication - peptide), phosphorylated peptide (Phosphopeptides), Fluorescent labeled Peptides (Fluorescent Labeled Peptides), BIOTIN labeling Peptides (BIOTIN) and the Modification of small peptide (Modification Peptides), etc.
PopChem has a group of experienced organic synthesis research and development personnel, specializing in the research of special modified peptides chemical synthesis method.


Services


Linear peptides synthesis:
From small scale (mgs) to large scale(kgs)
Peptides length up to 101 amino acids
Different purity level (crude,desalted, �75%、>80%、>85%、>90%、>95%、>98%�99%)


Varieties modifications


1.Simple modified peptides: N-term:Acetylation and C-term:Amidation for free!
2.Cyclicpeptides:Amidecyclic (Sidechain,end),Double Disulfied bridges,Three Disulfied bridges and so on.
3.Composite antigen peptide (MAPs):2 branched peptides,4 branched peptides,8 branched peptides,16 branched peptides,etc.
4.Isotope labeling Peptides �15N,13C):offering Ala�15N,13C)、Arg�15N,13C)、Ile�15N,13C)、Leu�15N,13C)、Phe�15N,13C)、Lys�15N,13C)、Val�15N,13C)these labeling peptides.
5.Methyl-peptide:Lys(Me)� Lys(Me)2� Lys(Me)3、Tyr(Me)、Thr(Me)、Ser(Me)、D-2-Me-Trp、Arg(Me)2 、Arg(Me)2 symmetrical、Arg(Me)2 asymmetrical、N-Me-Arg、N-Me-Ala、N-Me-Asp、N-Me-Glu、N-Me-Met、N-Me-Leu、N-Me-Ile、N-Me-Val、N-Me-Nle、N-Me-Nva、N-Me-Phe、N-Me-Ser、N-Me-Trp、N-Me-Thr、N-Me-Val、N-Me-Gly、N-Me-Tyr.etc.
6.Sulfication-peptide:Ser(SO3H2)、Tyr(SO3H2)、Thr(SO3H2).
7.Phosphopeptides:pSer、、pTyr、pThr.
8.Fluorescent Labeled Peptides:FITC、Lys(FITC)�5-FAM、Lys(5-FAM)�5-TAMRA、Lys�5-TAMRA)、Cy3� Cy5、Cy5.5、Cy7、Rhodamine 110、Rhodamine B、AFC, AMC、pNA,etc.
9.BIOTIN:BIOTIN、Lys(BIOTIN).
10.Protein Conjugation:BSA、KLH、OVA.
11.Special amino acids:D-amino acids、Cit、Aib、Abu、Ahx、Orn、Pyr、Nle、Pra、Sar,etc.

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