Mechanism	Retaining e
Clan	GH-A
3D Structure Status	( β / α ) 8 barrel
Catalytic Nucleophile/Base	Glu (experimental)
Catalytic Proton Donor	Glu (experimental)
Note	The endo-b-1,3-glucanase activity of the Victivallis vadensis enzyme was shown in Helbert et al., PNAS (2019) [PMID=30850540]. The retaining mechanism and catalytic amino acids have been confirmed in Brumer et al., mBio (2020) [PMID:32265336].
External resources	CAZypedia;
Statistics	GenBank accession (1215); Uniprot accession (2); PDB accession (20); 3D entries (2); cryst (0)

Bacteria
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)
endo-β-1,3-glucanase (BuGH158; BACUNI_01485)	3.2.1.39	Bacteroides uniformis ATCC 8492	ZP_02070068.1	A0A412SRH5	6PAL[A,B] 1.82
Processive β-1,3 glucanase GH158 (Progh158)		uncultured bacterium	XUK95208.1		9ORO[A] β-D-Glcp-(1-3)-β-D-Glcp 1.32 9P25[A] 0.89 9P26[A] 1.40 9P27[A] 1.33 9P28[A] β-D-Glcp β-D-Glcp-(1-3)-β-D-Glcp 1.30 9P29[A] β-D-Glcp-(1-3)-α-D-Glcp 1.48 9P2A[A] β-D-Glcp-(1-3)-α-D-Glcp 1.45 9P2B[A] β-D-Glcp-(1-3)-α-D-Glcp 1.62 9P2C[A] β-D-Glcp-(1-3)-β-D-Glcp 1.32 9P2D[A] 1.30 9P2E[A] β-D-Glcp β-D-Glcp-(1-3)-α-D-Glcp-(1-4)-GLU 1.70 9P2F[A] β-D-Glcp-(1-4)-β-D-Glcp-(1-3)-β-D-Glcp 1.15 9P2G[A] β-D-Glcp-(1-4)-β-D-Glcp-(1-3)-β-D-Glcp 1.10 9P2H[A] β-D-Glcp-(1-4)-β-D-Glcp-(1-3)-β-D-Glcp 1.30 9P2I[A] β-D-Glcp-(1-4)-β-D-Glcp-(1-3)-β-D-Glcp 1.25 9P2J[A] β-D-Glcp-(1-4)-β-D-Glcp-(1-3)-α-D-Glcp-(1-4)-GLU 1.40 9P2K[A] β-D-Glcp β-D-Glcp-(1-4)-β-D-Glcp-(1-3)-β-D-Glcp 1.30 9P2L[A] 1.10 9P2M[A] 1.42
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