Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2 Familyalpha-Amylases, C-terminal beta-sheet domain 8020301 4002636 SCOP2 (2022-06-29)
ASCOP2 FamilyAmylase, catalytic domain 8020305 4003138 SCOP2 (2022-06-29)
ASCOP2 SuperfamilyGlycosyl hydrolase domain-like 8032681 3001528 SCOP2 (2022-06-29)
ASCOP2 Superfamily(Trans)glycosidases 8032685 3000313 SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
AMalt_amylase_C_2e1m53A1 A: beta sandwichesX: Glycosyl hydrolase domain-likeH: Glycosyl hydrolase domain (From Topology)T: Glycosyl hydrolase domainF: Malt_amylase_C_2ECOD (1.6)
AAlpha-amylasee1m53A2 A: a/b barrelsX: TIM beta/alpha-barrelH: TIM barrels (From Topology)T: TIM barrelsF: Alpha-amylaseECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A3.20.20.80 Alpha Beta Alpha-Beta Barrel TIM Barrel GlycosidasesCATH (4.3.0)
A3.90.400.10 Alpha Beta Alpha-Beta Complex Oligo-1,6-glucosidase domain 2CATH (4.3.0)
A2.60.40.1180 Mainly Beta Sandwich Immunoglobulin-like Golgi alpha-mannosidase IICATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF00128Alpha amylase, catalytic domain (Alpha-amylase)Alpha amylase, catalytic domainAlpha amylase is classified as family 13 of the glycosyl hydrolases. The structure is an 8 stranded alpha/beta barrel containing the active site, interrupted by a ~70 a.a. calcium-binding domain protruding between beta strand 3 and alpha helix 3, a ...Alpha amylase is classified as family 13 of the glycosyl hydrolases. The structure is an 8 stranded alpha/beta barrel containing the active site, interrupted by a ~70 a.a. calcium-binding domain protruding between beta strand 3 and alpha helix 3, and a carboxyl-terminal Greek key beta-barrel domain.
Domain
PF16657Maltogenic Amylase, C-terminal domain (Malt_amylase_C)Maltogenic Amylase, C-terminal domain- Family

Structure Motif Annotation: Mechanism and Catalytic Site Atlas M-CSA Database Homepage

ChainsEnzyme NameDescriptionCatalytic Residues
isomaltulose synthase  M-CSA #582

Isomaltulose synthase (PalI), also known as sucrose isomerase, catalyses the isomerisation of sucrose to produce isomaltulose (alpha-D-glucosylpyranosyl-1,6-D-fructofuranose) and trehalulose (alpha-D-glucosylpyranosyl-1,1-D-fructofuranose) as the main products with residual amounts of glucose and fructose isomaltulose and trehalulose, two functional isomers of sucrose, have been suggested as non-cariogenic alternatives to sucrose and are widely used in health products and the food industry.

Defined by 2 residues: ASP:A-213 [auth A-241]GLU:A-267 [auth A-295]
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