Mechanism	Retaining e
Clan	GH-A
3D Structure Status	( β / α ) 8 barrel
Catalytic Nucleophile/Base	Glu (experimental)
Catalytic Proton Donor	Glu (inferred)
Note	Following St John et al. [FEBS Letters 584:4435-4441 (2010); PMID: 20932833] several GH5 subfamilies have been reassigned to GH30. The subfamilies in GH30 are now indicated.
External resources	CAZypedia; Gaucher Disease;
Statistics	GenBank accession (813); Uniprot accession (11); PDB accession (11); 3D entries (5); cryst (1)

Eukaryota
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)	Subf
reducing end-specific exoxylanase A (Xyn30A; TCE0_047r17950) (Xyn30A)	3.2.1.156	Talaromyces cellulolyticus Y-94	GAM43270.1	A0A0B8MZ29	8IDP[A,B,C,D] 1.80 8IDQ[A,B,C,D] β-D-Xylp 1.70	7
bifunctional endo-glucuronoxylanase and exo-xylobiohydrolase (TcXyn30B) B (Xyn30B; TCE0_018f06110) (Xyn30B)	3.2.1.37 3.2.1.-	Talaromyces cellulolyticus Y-94	GAM36763.1	A0A4V8H018 A0A510NXC4	6IUJ[A,B] 2.25 6KRL[A] 1.60 6KRN[A] α-D-GlcpA4Me-(1-2)-β-D-Xylp-(1-4)-β-D-Xylp 1.65	7
endoxylanase C (TcXyn30C; TCE0_039f12750)	3.2.1.8 3.2.1.-	Talaromyces cellulolyticus Y-94	GAM40414.1	A0A6N4SL16	6M5Z[A,B] 1.65	7
bifunctional glucuronoxylan endo-β-1,4-xylosidase / exo-β-1,4-xylosidase (ExlA; TtExlA; TtXyn30A; MYCTH_38558) (Xyn30A)	3.2.1.- 3.2.1.- 3.2.1.-	Thermothelomyces thermophilus ATCC 42464	AEO55025.1 XP_003660270.1	G2Q1N4	7NCX[A] 7O0E[A,B] α-D-GlcpA4Me-(1-2)-β-D-Xylp-(1-4)-β-D-Xylp 1.85 8C48[A,B] β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp 1.40 8CBC[A,B] β-D-Xylp-(1-4)-β-D-Xylp β-D-Xylp-(1-4)-β-D-Xylp-(1-1)-<non_carb> 1.40 8P67[A,B] α-D-GlcpA4Me-(1-2)-β-D-Xylp-(1-4)-β-D-Xylp-(1-4)-β-D-Xylp 1.37	7
exo-xylanase IV (Xyn4;XYN IV)	3.2.1.156	Trichoderma reesei Rut C30	AAP64786.1 AAV25955.1		cryst	7
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