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 (86); Uniprot accession (34); PDB accession (13); 3D entries (3); cryst (0)

Eukaryota
Protein Name	EC#	Organism	GenBank	Uniprot	PDB/3D Carbohydrate Ligands Resolution (Å)	Subf
α-amylase 1 (Amy1;Amy1.1)	3.2.1.1	Hordeum vulgare	AAA32929.1 AAA32927.1	P00693 Q40017	1HT6[A] 1.50 1P6W[A] β-D-Glcp-α-D-Glcp4S-(1-4)-α-D-Glcp4S-(1-4)-β-D-Glcp4S-(1-1)-methyl β-D-Glcp-(1-4)-α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-β-D-Glcp-(1-1)-methyl 2.00 1RP8[A] α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-β-D-Glcp-(1-4)-α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-α-D-Glcp-(1-4)-β-D-Glcp 2.00 1RP9[A] <non_carb>-(1-4)-α-D-6-deoxy-Glcp4N-(1-4)-α-D-Glcp-(1-4)-β-D-Glcp <non_carb>-(1-4)-α-D-6-deoxy-Glcp4N-(1-4)-β-D-Glcp-(1-4)-β-D-Glcp 2.00 1RPK[A] <non_carb>-(1-4)-α-D-6-deoxy-Glcp4N-(1-4)-α-D-Glcp-(1-4)-β-D-Glcp <non_carb>-(1-4)-α-D-6-deoxy-Glcp4N-(1-4)-β-D-Glcp 2.00 2QPS[A] 2.20 2QPU[A,B,C] β-D-Glcp <non_carb>-(1-4)-α-D-6-deoxy-Glcp4N-(1-4)-α-D-Glcp-(1-4)-β-D-Glcp <non_carb>-(1-4)-α-D-6-deoxy-Glcp4N-(1-4)-D-1-deoxy-Glcp 1.70 3BSG[A] 1.95 3BSH[A] β-D-Glcp 3.00	6
α-amylase 2 (Amy2)	3.2.1.1	Hordeum vulgare	CAA33298.1 AAA32925.1 AAA98790.1	P04063 Q40015	1AMY[A] 2.80 1AVA[A,B] 1.90 1BG9[A] <non_carb>-(1-4)-α-D-6-deoxy-Glcp4N-(1-4)-β-D-Glcp <non_carb>-(1-4)-β-D-6-deoxy-Glcp4N 2.80	6
α-amylase 1A / I-1 (α-Amy7;RAmy1A;Amy1.1;AmyI-1;Os02g0765600)	3.2.1.1	Oryza sativa Japonica Group	BAF10134.1 ACA50496.1 BAD17125.1 BAD17313.1 BAG95208.1 BAS81060.1 CAA34516.1	B7ES61 P17654 Q0DXA4	3WN6[A,B,C,D] 2.16	6
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