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3SIL

SIALIDASE FROM SALMONELLA TYPHIMURIUM

Functional Information from GO Data
ChainGOidnamespacecontents
A0004308molecular_functionexo-alpha-sialidase activity
A0005737cellular_componentcytoplasm
A0006689biological_processganglioside catabolic process
A0009313biological_processoligosaccharide catabolic process
A0016020cellular_componentmembrane
A0016787molecular_functionhydrolase activity
A0016798molecular_functionhydrolase activity, acting on glycosyl bonds
Functional Information from PDB Data
site_idAC1
Number of Residues7
DetailsBINDING SITE FOR RESIDUE K A 450
ChainResidue
AASP62
AGOL402
APO4499
AHOH790
AHOH958
AHOH1052
AHOH1054

site_idAC2
Number of Residues15
DetailsBINDING SITE FOR RESIDUE PO4 A 499
ChainResidue
ATYR307
AARG309
ATYR342
AK450
AHOH532
AHOH958
AHOH982
AHOH1051
AHOH1052
AHOH1053
AHOH1054
AHOH1055
AHOH1056
AARG37
AARG246

site_idAC3
Number of Residues8
DetailsBINDING SITE FOR RESIDUE GOL A 401
ChainResidue
AGLU14
AHIS15
ALYS82
AHOH616
AHOH869
AHOH914
AHOH960
AHOH1002

site_idAC4
Number of Residues8
DetailsBINDING SITE FOR RESIDUE GOL A 402
ChainResidue
AVAL178
AGLN194
AGLU231
AGOL403
AK450
AHOH664
AHOH790
AHOH982

site_idAC5
Number of Residues11
DetailsBINDING SITE FOR RESIDUE GOL A 403
ChainResidue
AASP62
AGLN63
AARG97
AMET99
AASP100
ATRP121
ALYS126
ATHR127
ATRP128
AGOL402
AHOH825

site_idAC6
Number of Residues7
DetailsBINDING SITE FOR RESIDUE GOL A 404
ChainResidue
AVAL105
AALA106
AASN107
AGLU112
AALA239
AARG348
AHOH964

site_idAC7
Number of Residues11
DetailsBINDING SITE FOR RESIDUE GOL A 405
ChainResidue
ALYS120
AASN122
ATRP140
AASP141
AHIS374
AVAL377
AHOH584
AHOH769
AHOH1059
AHOH1060
AHOH1061

site_idAC8
Number of Residues9
DetailsBINDING SITE FOR RESIDUE GOL A 406
ChainResidue
ACYS42
AILE104
AVAL105
AGLY181
ALEU182
AGLN183
AHOH684
AHOH749
AHOH822

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues11
DetailsRepeat: {"description":"BNR 1"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues11
DetailsRepeat: {"description":"BNR 2"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues10
DetailsRepeat: {"description":"BNR 3"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues11
DetailsRepeat: {"description":"BNR 4"}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues1
DetailsActive site: {"description":"Proton acceptor","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsActive site: {"description":"Nucleophile","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsActive site: {}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues3
DetailsBinding site: {}
ChainResidueDetails

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PDB entries from 2025-07-23

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