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Literature summary extracted from

  • Rhee, M.; Sawhney, N.; Kim, Y.; Rhee, H.; Hurlbert, J.; St. John, F.; Nong, G.; Rice, J.; Preston, J.
    GH115 alpha-glucuronidase and GH11 xylanase from Paenibacillus sp. JDR-2: potential roles in processing glucuronoxylans (2016), Appl. Microbiol. Biotechnol., 101, 1465-1476.
    View publication on PubMed

Crystallization (Commentary)

EC Number Crystallization (Comment) Organism
3.2.1.139 molecular modeling of structure. The likely catalytic residues are Asp303 (nucleophile) and Glu350 (proton donor). An arginine (Arg299 in Pjdr2) is conserved in all the Agu115 enzymes considered. The xylose-binding cleft bounded by Trp249 and Val426 in Agu115A is predicted to be lined by Trp272 and Met401 in the Agu115A model Paenibacillus sp.

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.139 Paenibacillus sp. C6D678
-
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.139 5.9
-
substrate 4-O-methyl-alpha-D-glucopyranosyl-(1->2)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranose, pH not specified in the publication, temperature not specified in the publication Paenibacillus sp.
3.2.1.139 16.3
-
substrate 4-O-methyl-alpha-D-glucopyranosyl-(1->2)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranose, pH not specified in the publication, temperature not specified in the publication Paenibacillus sp.

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.139 4-O-methyl-alpha-D-glucopyranosyl-(1->2)-beta-D-xylopyranosyl-(1->4)-(beta-D-xylopyranosyl-(1->4))n-beta-D-xylopyranose + H2O
-
Paenibacillus sp. 4-O-methyl-alpha-D-glucopyranose + beta-D-xylopyranosyl-(1->4)-(beta-D-xylopyranosyl-(1->4))n-beta-D-xylopyranose
-
ir
3.2.1.139 4-O-methyl-alpha-D-glucopyranosyl-(1->2)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranose + H2O
-
Paenibacillus sp. 4-O-methyl-alpha-D-glucopyranose + beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranose
-
ir
3.2.1.139 4-O-methyl-alpha-D-glucopyranosyl-(1->2)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranose + H2O
-
Paenibacillus sp. 4-O-methyl-alpha-D-glucopyranose + beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranosyl-(1->4)-beta-D-xylopyranose
-
ir

Synonyms

EC Number Synonyms Comment Organism
3.2.1.139 Agu115A
-
Paenibacillus sp.
3.2.1.139 Pjdr2_5977
-
Paenibacillus sp.

Expression

EC Number Organism Comment Expression
3.2.1.139 Paenibacillus sp. enhanced expression during growth on xylans up

General Information

EC Number General Information Comment Organism
3.2.1.139 physiological function the enzyme catalyzes removal of 4-O-methylglucuronate residues alpha-1,2 linked to internal xylose residues in oligoxylosides generated by GH11 and GH30 xylanases and releases methylglucuronate from polymeric methylglucuronoxylan Paenibacillus sp.