Activities in Sub Family	Glucuronoarabinoxylan-specific endo-β-1,4-xylanase (EC 3.2.1.136); Endo-β-1,4-xylanase (EC 3.2.1.8);
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; PRINTS;
Statistics	GenBank accession (1); Uniprot accession (16); PDB accession (18); 3D entries (6); cryst (0)

Bacteria
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)	Subf
glucuronoxylan xylanohydrolase (CtXyn30;CtXynGH30;Cthe_3012) (Xyn30A)		Acetivibrio thermocellus ATCC 27405	ABN54208.1		4CKQ[A] 1.40 4UQ9[A] 1.77 4UQA[A] 1.52 4UQB[A] 1.68 4UQC[A] D-1,4-deoxy-Glcp 1.30 4UQD[A] 1.25 4UQE[A] 1.28 5A6L[A] β-D-Xylp-(1-4)-β-D-Xylp 1.80 5A6M[A] β-D-Xylp-(1-4)-β-D-Xylp 1.17	8
glucuronoxylan xylanohydrolase (feraxanase) / xylanase C (XynC; BsXynC; YnfF; BSU18150)	3.2.1.136 3.2.1.8	Bacillus subtilis subsp. subtilis str. 168	CAA97612.1 AIY93125.1 AQR81806.1 AQR86020.1 CAB13698.1 NP_389697.1	A0A6M4JGU4 Q45070	3GTN[A,B] 2.68 3KL0[A,B,C,D] 1.64 3KL3[A,B,C,D] α-D-GlcpA β-D-GlcpA 2.33 3KL5[A,B,C,D] α-D-GlcpA4Me-(1-2)-β-D-Xylp-(1-1)-<non_carb> α-D-GlcpA4Me-(1-2)-β-D-Xylp-(1-4)-β-D-Xylp 2.59	8
xylanase (CAP0119) (Xyn30A)	3.2.1.8	Clostridium acetobutylicum ATCC 824	AAK76864.1 NP_149282.1	Q97TI2	5CXP[A] 1.77	8
glucuronoxylanase / glucuronoxylan-specific endo-β-1,4-xylanase (XynA)	3.2.1.136 3.2.1.8	Dickeya chrysanthemi D1	AAB53151.1	Q46961	1NOF[A] 1.42 2Y24[A] β-D-Xylp-(1-4)[α-D-GlcpA4Me-(1-2)]-β-D-Xylp-(1-4)-β-D-Xylp 1.39	8
glucuronoxylan-specific xylanase (Xyn30D)	3.2.1.136	Paenibacillus barcinonensis BP-23	AEY82463.1	H6WCZ0	4QAW[A,B,C,D,E,F,G,H] 2.40	8
endo-β-1,4-xylanase (C7I;CpC7I;CpXyn30A;Cpap_2855) (Xyn30A)	3.2.1.8	Ruminiclostridium papyrosolvens DSM 2782	EGD48159.1	F1TBY8	4FMV[A] 2.01	8
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