Glycoside Hydrolase Family 13 / Subf 19

Mechanism	Retaining a
Clan	GH-H
3D Structure Status	( β / α ) ₈ barrel
Catalytic Nucleophile/Base	Asp (experimental)
Catalytic Proton Donor	Glu (experimental)
Note	New: many members have been assigned to subfamilies as described by Stam et al. (2006) Protein Eng Des Sel. 19, 555-562 (PMID: 17085431)
External resources	CAZypedia; EBI Protein of the Month; PDB Molecule of the Month;
Statistics	GenBank accession (6514); Uniprot accession (8); PDB accession (6); 3D entries (3); cryst (0)

Bacteria

Protein Name

EC#

Organism

GenBank

Uniprot

PDB/3D

Carbohydrate Ligands

Resolution (Å)

Subf

α-amylase (MalS; b3571)

AAB18548.1
AAC76595.1
AIZ93631.1
ALI38743.1
AMC96456.1
AUG18278.1
AVI53735.1
AYG17489.1
CAA41740.1
NP_418028.1

2.70

maltohexaose-forming α-amylase (AmyG6)

9US3[A,B]		1.90
9US4[A,B]	<non_carb>-(1-4)-α-D-6-deoxy-Glcp4N-(1-4)-α-D-Glcp <non_carb>-(1-4)-α-D-6-deoxy-Glcp4N-(1-4)-α-D-Glcp-(1-4)-α-D-Glcp <non_carb>-(1-4)-α-D-6-deoxy-Glcp4N-(1-4)-α-D-Glcp-(1-4)-β-D-Glcp	1.95
9US5[A]	α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-α-D-Glcp	2.66
9US6[A,B]		2.70

RBR_06780 (Amy4;Sca1)