Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyE set domains 8054905 3000070 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyStarch-binding domain-like 8040267 3000816 SCOP2B (2022-06-29)
ASCOP2B SuperfamilyGlycosyl hydrolase domain-like 8042883 3001528 SCOP2B (2022-06-29)
ASCOP2B Superfamily(Trans)glycosidases 8043311 3000313 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
ATIG_2e1cdgA1 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Immunoglobulin/Fibronectin type III/E set domains/PapD-likeF: TIG_2ECOD (1.6)
ACBM_20e1cdgA2 A: beta sandwichesX: Immunoglobulin-like beta-sandwichH: Immunoglobulin-relatedT: Prealbumin-likeF: CBM_20ECOD (1.6)
AAlpha-amylase_Ce1cdgA3 A: beta sandwichesX: Glycosyl hydrolase domain-likeH: Glycosyl hydrolase domain (From Topology)T: Glycosyl hydrolase domainF: Alpha-amylase_CECOD (1.6)
AAlpha-amylasee1cdgA4 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)
A2.60.40.1180 Mainly Beta Sandwich Immunoglobulin-like Golgi alpha-mannosidase IICATH (4.3.0)
A2.60.40.10 Mainly Beta Sandwich Immunoglobulin-like ImmunoglobulinsCATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF01833IPT/TIG domain (TIG)IPT/TIG domainThis family consists of a domain that has an immunoglobulin like fold. These domains are found in cell surface receptors such as Met and Ron as well as in intracellular transcription factors where it is involved in DNA binding. CAUTION: This family d ...This family consists of a domain that has an immunoglobulin like fold. These domains are found in cell surface receptors such as Met and Ron as well as in intracellular transcription factors where it is involved in DNA binding. CAUTION: This family does not currently recognise a significant number of members.
Domain
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
PF02806Alpha amylase, C-terminal all-beta domain (Alpha-amylase_C)Alpha amylase, C-terminal all-beta 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
PF00686Starch binding domain (CBM_20)Starch binding domain- Family

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

ChainsEnzyme NameDescriptionCatalytic Residues
cyclomaltodextrin glucanotransferase  M-CSA #45

Cyclodextrin glycosyltransferases (CGTases) are industrially important enzymes that produce cyclodextrins from starch by intramolecular transglycosylation. They belong to the important alpha-amylase family (family 13) of glycosyl hydrolases and catalyse the cyclisation of part of a (1->4)-alpha-D-glucan chain by the formation of a (1->4)-alpha-D-glucosidic bond. This enzyme also acts as a hydrolase or a transglycosylase, depending on the identity of the acceptor molecule in the final stages of the reaction.

Defined by 5 residues: ARG:A-227ASP:A-229GLU:A-257HIS:A-327ASP:A-328
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