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dbCAN3: automated carbohydrate-active enzyme and substrate annotation

Open access
Zheng, Jinfang, Ge, Qiwei, Yan, Yuchen, Zhang, Xinpeng, Huang, Le, Yin, Yanbin·2023·Nucleic Acids Research

Abstract

Carbohydrate active enzymes (CAZymes) are made by various organisms for complex carbohydrate metabolism. Genome mining of CAZymes has become a routine data analysis in (meta-)genome projects, owing to the importance of CAZymes in bioenergy, microbiome, nutrition, agriculture, and global carbon recycling. In 2012, dbCAN was provided as an online web server for automated CAZyme annotation. dbCAN2 (https://bcb.unl.edu/dbCAN2) was further developed in 2018 as a meta server to combine multiple tools for improved CAZyme annotation. dbCAN2 also included CGC-Finder, a tool for identifying CAZyme gene clusters (CGCs) in (meta-)genomes. We have updated the meta server to dbCAN3 with the following new functions and components: (i) dbCAN-sub as a profile Hidden Markov Model database (HMMdb) for substrate prediction at the CAZyme subfamily level; (ii) searching against experimentally characterized polysaccharide utilization loci (PULs) with known glycan substates of the dbCAN-PUL database for substrate prediction at the CGC level; (iii) a majority voting method to consider all CAZymes with substrate predicted from dbCAN-sub for substrate prediction at the CGC level; (iv) improved data browsing and visualization of substrate prediction results on the website. In summary, dbCAN3 not only inherits all the functions of dbCAN2, but also integrates three new methods for glycan substrate prediction.

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  1. Hobbs, 2021, Microbiology Society Annual Conference 2021

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Metadata

Authors
Zheng, J., Ge, Q., Yan, Y., Zhang, X., Huang, L., & Yin, Y.
Venue
Nucleic Acids Research
Published
2023-05-01
Volume
51
Issue
W1
Pages
W115-W121
ISSN
  • 0305-1048 (ISSN-L)
  • 1362-4962
OpenAlex
W4367598489
Cited by
1,084
References
34
FWCI
81.89
Type
journal article
Language
en
Open access
gold
Funders
  • National Institutes of Health (R01GM140370, R21AI171952)
  • National Science Foundation (DBI-1933521)
  • United States Department of Agriculture (58-8042-9-089)

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CoChat. (2026). Citation check: dbCAN3: automated carbohydrate-active enzyme and substrate annotation. https://app.cochat.ai/papers/10.1093/nar/gkad328
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Zheng, J., Ge, Q., Yan, Y., Zhang, X., Huang, L., & Yin, Y. (2023). dbCAN3: automated carbohydrate-active enzyme and substrate annotation. Nucleic Acids Research. https://doi.org/10.1093/nar/gkad328

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