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Highly reliable and efficient encoding systems for hexadecimal polypeptide-based data storage

查看全文 作　　者：Yubin [1]Ren;Yi [2]Zhang;Yawei [2]Liu;Qinglin [3]Wu;Hong-Gang [4]Hu;Jingjing [2]Li;Chunhai [5]Fan;Dong [3]Chen;Kai [1]Liu;Hongjie [1]Zhang 高影响力作者 机构地区：[1]Department of Chemistry,Tsinghua University,Beijing 100084,China;[2]State Key Laboratory of Rare Earth Resource Utilization,Changchun Institute of Applied Chemistry,Chinese Academy of Sciences,Changchun 130022,China;[3]Institute of Process Equipment,College of Energy Engineering and State Key Laboratory of Fluid Power and Mechatronic Systems,Zhejiang University,Hangzhou 310027,China;[4]Institute of Translational Medicine,Shanghai University,Shanghai 200444,China;[5]Frontiers Science Center for Transformative Molecules,School of Chemistry and Chemical Engineering,and Institute of Molecular Medicine,Renji Hospital,School of Medicine,Shanghai Jiao Tong University,Shanghai 200240,China高影响力机构 出　　处：《Fundamental Research》索引2023年第3卷第2期,共7页高影响力期刊 基　　金：supported by the National Key Research and Development Program of China (2018YFA0902600,2021YFF1200300,and 2020YFA0712102);the National Natural Science Foundation of China (21877104,21834007,22107097,21878258,22020102003,and 22125701);K.C.Wong Education Foundation (GJTD-2018-09);the Youth Innovation Promotion Association of CAS (2021226);the Zhejiang Provincial Natural Science Foundation of China (Y20B060027). 摘　　要：Polypeptides consisting of amino acid(AA)sequences are suitable for high-density information storage.However,the lack of suitable encoding systems,which accommodate the characteristics of polypeptide synthesis,storage and sequencing,impedes the application of polypeptides for large-scale digital data storage.To address this,two reliable and highly efficient encoding systems,i.e.RaptorQ-Arithmetic-Base64-Shuffle-RS(RABSR)and RaptorQArithmetic-Huffman-Rotary-Shuffle-RS(RAHRSR)systems,are developed for polypeptide data storage.The two encoding systems realized the advantages of compressing data,correcting errors of AA chain loss,correcting errors within AA chains,eliminating homopolymers,and pseudo-randomized encrypting.The coding efficiency without arithmetic compression and error correction of audios,pictures and texts by the RABSR system was 3.20,3.12 and 3.53 Bits/AA,respectively.While that using the RAHRSR system reached 4.89,4.80 and 6.84 Bits/AA,respectively.When implemented with redundancy for error correction and arithmetic compression to reduce redundancy,the coding efficiency of audios,pictures and texts by the RABSR system was 4.43,4.36 and 5.22 Bits/AA,respectively.This efficiency further increased to 7.24,7.11 and 9.82 Bits/AA by the RAHRSR system,respectively.Therefore,the developed hexadecimal polypeptide-based systems may provide a new scenario for highly reliable and highly efficient data storage. 关 键 词：Biomaterial POLYPEPTIDE Data storage HEXADECIMAL Encoding system
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