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Amino Acids and Derivatives
Alanine(Ala)
Glycine(Gly)
Phenylalanine(Phe)
Arginine(Arg)
Histidine(His)
Proline(Pro)
Asparagine(Asn)
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Molecular weight calculator
Customer service:400-799-5557
1. Enter or paste the polypeptide sequences, sequences with line breaks (enter key) separated.
2. Amino acids or group used the abbreviation entered plus {}, the 20 natural amino acids to support single-letter and three-letter writing,no spaces.
for example: Pro-{D-Phe}-Lys-{Ser(Bzl)}-Ala (three-letter sequences) PGKDERLY(ngle-letter sequences)
3.Polypeptide c-Terminal and n-terminal sequence of modifier groups, such as no delimiters need not add {},
for example:FITC-Pro-{D-Phe}-Lys-{Ser(Bzl)}-Ala-PNA
4. Polypeptide molecular weight in order to ensure the correct calculation, standard input, modification group writing, please refer
《Modifying group table》
。
Sequence:
cyclization:
nothing
Se-Cys和Se-Cys间氧化
不同序列通过Cys分子间氧化
多肽序列通过Lys侧链酰胺键成环
多肽序列通过Orn侧链酰胺键成环
两对二硫键
硫酯键成环
内酯键成环
三对二硫键
三对二硫键随机氧化
酰胺键首尾成环
相同序列通过Cys分子间氧化
一对二硫键
Calculate molecular weight
Following is the result of the calculation, if you have any questions, please call: 400-799-5557
Sequence:
Circle modifier:
Molecular formula:
Molecular weight: