Polysaccharide Lyase Family 38

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• Author: Tobias Tandrup
• Responsible Curator: Birte Svensson

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Polysaccharide Lyase Family 38
3D structure	( α / α )7 barrel
Mechanism	β-elimination
Charge neutralizer
Active site residues	unknown
CAZy DB link
https://www.cazy.org/PL38.html

Authors may get an idea of what to put in each field from Curator Approved Polysaccharide Lyase Families. (TIP: Right click with your mouse and open this link in a new browser window...)

In the meantime, please see these references for an essential introduction to the CAZy classification system: [1, 2].

Substrate specificities

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Kinetics and Mechanism

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Catalytic Residues

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Three-dimensional structures

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Family Firsts

First description of catalytic activity

• (1,4)-β-D-glucuronan activity by Brevundimonas sp. SH203 cellouronate lyase (CUL-I) [3].
• Sodium-alginate, poly-mannuronate and poly-guluronate activity by Agarivorans sp. B2Z047 alginate lyase (Aly38A) [4].

First catalytic base/acid

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First charge neutralizer

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First 3-D structure

Bacteroides ovatus ATCC 8483 PL38 (PDB 3NFV and 3NNB), published by the Joint Center for Structural Genomics (JCSG) [No associated publication].

References

1. Davies, G.J. and Sinnott, M.L. (2008) Sorting the diverse: the sequence-based classifications of carbohydrate-active enzymes. The Biochemist, vol. 30, no. 4., pp. 26-32. [1].
2. Cantarel BL, Coutinho PM, Rancurel C, Bernard T, Lombard V, and Henrissat B. The Carbohydrate-Active EnZymes database (CAZy): an expert resource for Glycogenomics. Nucleic Acids Res. 2009 Jan;37(Database issue):D233-8. DOI:10.1093/nar/gkn663 |
3. Kikuchi M, Konno N, Suzuki T, Fujii Y, Kodama Y, Isogai A, and Habu N. A bacterial endo-β-1,4-glucuronan lyase, CUL-I from Brevundimonas sp. SH203, belonging to a novel polysaccharide lyase family. Protein Expr Purif. 2020 Feb;166:105502. DOI:10.1016/j.pep.2019.105502 |
4. Sun XK, Gong Y, Shang DD, Liu BT, Du ZJ, and Chen GJ. Degradation of Alginate by a Newly Isolated Marine Bacterium Agarivorans sp. B2Z047. Mar Drugs. 2022 Apr 4;20(4). DOI:10.3390/md20040254 |
5. Pilgaard B, Vuillemin M, Munk L, Holck J, Meier S, Wilkens C, and Meyer AS. Discovery of a Novel Glucuronan Lyase System in Trichoderma parareesei. Appl Environ Microbiol. 2022 Jan 11;88(1):e0181921. DOI:10.1128/AEM.01819-21 |
6. Rønne ME, Tandrup T, Madsen M, Hunt CJ, Myers PN, Moll JM, Holck J, Brix S, Strube ML, Aachmann FL, Wilkens C, and Svensson B. Three alginate lyases provide a new gut Bacteroides ovatus isolate with the ability to grow on alginate. Appl Environ Microbiol. 2023 Oct 31;89(10):e0118523. DOI:10.1128/aem.01185-23 |