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1NHC

Structural insights into the processivity of endopolygalacturonase I from Aspergillus niger

Functional Information from GO Data
ChainGOidnamespacecontents
A0004650molecular_functionpolygalacturonase activity
A0005576cellular_componentextracellular region
A0005975biological_processcarbohydrate metabolic process
A0016787molecular_functionhydrolase activity
A0016798molecular_functionhydrolase activity, acting on glycosyl bonds
A0045490biological_processpectin catabolic process
A0047911molecular_functiongalacturan 1,4-alpha-galacturonidase activity
A0071555biological_processcell wall organization
B0004650molecular_functionpolygalacturonase activity
B0005576cellular_componentextracellular region
B0005975biological_processcarbohydrate metabolic process
B0016787molecular_functionhydrolase activity
B0016798molecular_functionhydrolase activity, acting on glycosyl bonds
B0045490biological_processpectin catabolic process
B0047911molecular_functiongalacturan 1,4-alpha-galacturonidase activity
B0071555biological_processcell wall organization
C0004650molecular_functionpolygalacturonase activity
C0005576cellular_componentextracellular region
C0005975biological_processcarbohydrate metabolic process
C0016787molecular_functionhydrolase activity
C0016798molecular_functionhydrolase activity, acting on glycosyl bonds
C0045490biological_processpectin catabolic process
C0047911molecular_functiongalacturan 1,4-alpha-galacturonidase activity
C0071555biological_processcell wall organization
D0004650molecular_functionpolygalacturonase activity
D0005576cellular_componentextracellular region
D0005975biological_processcarbohydrate metabolic process
D0016787molecular_functionhydrolase activity
D0016798molecular_functionhydrolase activity, acting on glycosyl bonds
D0045490biological_processpectin catabolic process
D0047911molecular_functiongalacturan 1,4-alpha-galacturonidase activity
D0071555biological_processcell wall organization
E0004650molecular_functionpolygalacturonase activity
E0005576cellular_componentextracellular region
E0005975biological_processcarbohydrate metabolic process
E0016787molecular_functionhydrolase activity
E0016798molecular_functionhydrolase activity, acting on glycosyl bonds
E0045490biological_processpectin catabolic process
E0047911molecular_functiongalacturan 1,4-alpha-galacturonidase activity
E0071555biological_processcell wall organization
F0004650molecular_functionpolygalacturonase activity
F0005576cellular_componentextracellular region
F0005975biological_processcarbohydrate metabolic process
F0016787molecular_functionhydrolase activity
F0016798molecular_functionhydrolase activity, acting on glycosyl bonds
F0045490biological_processpectin catabolic process
F0047911molecular_functiongalacturan 1,4-alpha-galacturonidase activity
F0071555biological_processcell wall organization
Functional Information from PROSITE/UniProt
site_idPS00502
Number of Residues14
DetailsPOLYGALACTURONASE Polygalacturonase active site. GgtCsgGHGLs.IGS
ChainResidueDetails
AGLY222-SER235

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues126
DetailsRepeat: {"description":"PbH1 1"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues180
DetailsRepeat: {"description":"PbH1 2"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues126
DetailsRepeat: {"description":"PbH1 3"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues126
DetailsRepeat: {"description":"PbH1 4"}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues132
DetailsRepeat: {"description":"PbH1 5"}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues270
DetailsRepeat: {"description":"PbH1 6"}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues6
DetailsActive site: {"description":"Proton donor","evidences":[{"source":"PROSITE-ProRule","id":"PRU10052","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues6
DetailsActive site: {"evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues12
DetailsGlycosylation: {"description":"O-linked (Man) serine","evidences":[{"source":"PubMed","id":"14623112","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues6
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"source":"PubMed","id":"14623112","evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1czf
ChainResidueDetails
AASP207
AASP208
AASP186
AHIS229

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 1czf
ChainResidueDetails
BASP207
BASP208
BASP186
BHIS229

site_idCSA3
Number of Residues4
DetailsAnnotated By Reference To The Literature 1czf
ChainResidueDetails
CASP207
CASP208
CASP186
CHIS229

site_idCSA4
Number of Residues4
DetailsAnnotated By Reference To The Literature 1czf
ChainResidueDetails
DASP207
DASP208
DASP186
DHIS229

site_idCSA5
Number of Residues4
DetailsAnnotated By Reference To The Literature 1czf
ChainResidueDetails
EASP207
EASP208
EASP186
EHIS229

site_idCSA6
Number of Residues4
DetailsAnnotated By Reference To The Literature 1czf
ChainResidueDetails
FASP207
FASP208
FASP186
FHIS229

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PDB entries from 2025-10-08

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