ExplorEnz: EC 3.1.1.117

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3.1.1.117

Accepted name:

(4-O-methyl)-D-glucuronate—lignin esterase

Reaction:

a 4-O-methyl-D-glucopyranuronate ester + H₂O = 4-O-methyl-D-glucuronic acid + an alcohol

Other name(s):

glucuronoyl esterase (ambiguous); 4-O-methyl-glucuronoyl methylesterase; glucuronoyl-lignin ester hydrolase

Systematic name:

(4-O-methyl)-D-glucuronate—lignin ester hydrolase

Comments:

The enzyme occurs in microorganisms and catalyses the cleavage of the ester bonds between glucuronoyl or 4-O-methyl-glucuronoyl groups attached to xylan and aliphatic or aromatic alcohols in lignin polymers.

Links to other databases:

BRENDA, EXPASY, KEGG, MetaCyc, PDB

References:

1.	Spanikova, S. and Biely, P. Glucuronoyl esterase^--novel carbohydrate esterase produced by Schizophyllum commune. FEBS Lett. 580 (2006) 4597–4601. [DOI] [PMID: 16876163]
2.	Charavgi, M.D., Dimarogona, M., Topakas, E., Christakopoulos, P. and Chrysina, E.D. The structure of a novel glucuronoyl esterase from Myceliophthora thermophila gives new insights into its role as a potential biocatalyst. Acta Crystallogr. D Biol. Crystallogr. 69 (2013) 63–73. [DOI] [PMID: 23275164]
3.	Arnling Baath, J., Giummarella, N., Klaubauf, S., Lawoko, M. and Olsson, L. A glucuronoyl esterase from Acremonium alcalophilum cleaves native lignin-carbohydrate ester bonds. FEBS Lett. 590 (2016) 2611–2618. [DOI] [PMID: 27397104]
4.	Huttner, S., Klaubauf, S., de Vries, R.P. and Olsson, L. Characterisation of three fungal glucuronoyl esterases on glucuronic acid ester model compounds. Appl. Microbiol. Biotechnol. 101 (2017) 5301–5311. [DOI] [PMID: 28429057]
5.	Huynh, H.H. and Arioka, M. Functional expression and characterization of a glucuronoyl esterase from the fungus Neurospora crassa: identification of novel consensus sequences containing the catalytic triad. J. Gen. Appl. Microbiol. 62 (2016) 217–224. [DOI] [PMID: 27600355]
6.	Arnling Baath, J., Mazurkewich, S., Knudsen, R.M., Poulsen, J.N., Olsson, L., Lo Leggio, L. and Larsbrink, J. Biochemical and structural features of diverse bacterial glucuronoyl esterases facilitating recalcitrant biomass conversion. Biotechnol Biofuels 11:213 (2018). [DOI] [PMID: 30083226]
7.	Mazurkewich, S., Poulsen, J.N., Lo Leggio, L. and Larsbrink, J. Structural and biochemical studies of the glucuronoyl esterase OtCE15A illuminate its interaction with lignocellulosic components. J. Biol. Chem. 294 (2019) 19978–19987. [DOI] [PMID: 31740581]
8.	Ernst, H.A., Mosbech, C., Langkilde, A.E., Westh, P., Meyer, A.S., Agger, J.W. and Larsen, S. The structural basis of fungal glucuronoyl esterase activity on natural substrates. Nat. Commun. 11:1026 (2020). [DOI] [PMID: 32094331]

[EC 3.1.1.117 created 2021]