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1CYG

CYCLODEXTRIN GLUCANOTRANSFERASE (E.C.2.4.1.19) (CGTASE)

Functional Information from GO Data
ChainGOidnamespacecontents
A0003824molecular_functioncatalytic activity
A0004556molecular_functionalpha-amylase activity
A0005576cellular_componentextracellular region
A0005975biological_processcarbohydrate metabolic process
A0016740molecular_functiontransferase activity
A0016757molecular_functionglycosyltransferase activity
A0030246molecular_functioncarbohydrate binding
A0043169molecular_functioncation binding
A0043895molecular_functioncyclomaltodextrin glucanotransferase activity
A0046872molecular_functionmetal ion binding
A2001070molecular_functionstarch binding
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA A 681
ChainResidue
AASN135
AILE186
AASP195
AHIS229
AHOH866

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 682
ChainResidue
AGLY48
AASP50
AASP24
AASN26
AASN29
AASN30

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues78
DetailsDomain: {"description":"IPT/TIG"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues106
DetailsDomain: {"description":"CBM20","evidences":[{"source":"PROSITE-ProRule","id":"PRU00594","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues133
DetailsRegion: {"description":"A1"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues63
DetailsRegion: {"description":"B"}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues203
DetailsRegion: {"description":"A2"}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues88
DetailsRegion: {"description":"C"}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues83
DetailsRegion: {"description":"D"}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues104
DetailsRegion: {"description":"E"}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsActive site: {"description":"Nucleophile"}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues1
DetailsActive site: {"description":"Proton donor"}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues10
DetailsBinding site: {}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues10
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues1
DetailsSite: {"description":"Transition state stabilizer","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AASP225
ATHR250

site_idCSA2
Number of Residues3
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AASP225
AASP324
AGLU260

site_idCSA3
Number of Residues5
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AHIS323
AARG223
AASP225
AASP324
AGLU253

site_idCSA4
Number of Residues2
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AASP225
AGLU253

site_idCSA5
Number of Residues4
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AHIS136
AASP225
AASP324
AGLU253

site_idCSA6
Number of Residues3
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AASP225
AASP324
AGLU253

site_idCSA7
Number of Residues3
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AASP315
AASP225
AGLU253

site_idCSA8
Number of Residues4
DetailsAnnotated By Reference To The Literature 1amy
ChainResidueDetails
AASP225
APHE255
AASP324
AGLU253

246031

PDB entries from 2025-12-10

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