Proteome-pI2.0: proteome isoelectric point database update
| العنوان: | Proteome-pI2.0: proteome isoelectric point database update |
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| المؤلفون: | Lukasz P. Kozlowski |
| المصدر: | Nucleic Acids Research |
| بيانات النشر: | Oxford University Press (OUP), 2021. |
| سنة النشر: | 2021 |
| مصطلحات موضوعية: | Proteomics, Proteome, AcademicSubjects/SCI00010, In silico, computer.software_genre, Genetics, Database Issue, Electrophoresis, Gel, Two-Dimensional, Amino Acid Sequence, Isoelectric Point, Databases, Protein, Chymotrypsin, Molecular mass, biology, Database, Computational Biology, computer.file_format, Protein Data Bank, Molecular Weight, Isoelectric point, biology.protein, UniProt, Peptides, computer |
| الوصف: | Proteome-pI 2.0 is an update of an online database containing predicted isoelectric points and pKa dissociation constants of proteins and peptides. The isoelectric point—the pH at which a particular molecule carries no net electrical charge—is an important parameter for many analytical biochemistry and proteomics techniques. Additionally, it can be obtained directly from the pKa values of individual charged residues of the protein. The Proteome-pI 2.0 database includes data for over 61 million protein sequences from 20 115 proteomes (three to four times more than the previous release). The isoelectric point for proteins is predicted by 21 methods, whereas pKa values are inferred by one method. To facilitate bottom-up proteomics analysis, individual proteomes were digested in silico with the five most commonly used proteases (trypsin, chymotrypsin, trypsin + LysC, LysN, ArgC), and the peptides’ isoelectric point and molecular weights were calculated. The database enables the retrieval of virtual 2D-PAGE plots and customized fractions of a proteome based on the isoelectric point and molecular weight. In addition, isoelectric points for proteins in NCBI non-redundant (nr), UniProt, SwissProt, and Protein Data Bank are available in both CSV and FASTA formats. The database can be accessed at http://isoelectricpointdb2.orgTest. Graphical Abstract Graphical AbstractProteome-pI 2.0 database: 61,329,034 proteins from 20,115 proteomes with isoelectric point predicted using 21 methods; 5.38B dissociation constant (pKa) predictions; 9.58B in silico digested peptides (Trypsin, Chymotrypsin, Trypsin+LysC, LysN, ArgC). |
| تدمد: | 1362-4962 0305-1048 |
| الوصول الحر: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7e8a89b0875b328454f6aec43e3a9a16Test https://doi.org/10.1093/nar/gkab944Test |
| حقوق: | OPEN |
| رقم الانضمام: | edsair.doi.dedup.....7e8a89b0875b328454f6aec43e3a9a16 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 13624962 03051048 |
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