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4FOY

Crystal structure of the NanB sialidase from streptococcus pneumoniae in complex with 2-(Benzylammonio)ethanesulfonate

Functional Information from GO Data
ChainGOidnamespacecontents
A0004308molecular_functionexo-alpha-sialidase activity
A0005975biological_processcarbohydrate metabolic process
Functional Information from PDB Data
site_idAC1
Number of Residues14
DetailsBINDING SITE FOR RESIDUE D53 A 701
ChainResidue
AARG245
AARG619
ATYR653
ATRP674
AHOH1045
AHOH1368
AASP270
AILE326
AASP327
AASP344
AMET346
AASN352
ATYR489
AARG557

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE DMS A 702
ChainResidue
ATYR160
AGLY163
AASP217
AVAL220
AHOH804
AHOH815

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE DMS A 703
ChainResidue
ATYR250
ATHR251
AGLN494
ATHR657

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE DMS A 704
ChainResidue
AVAL385
AILE404
AASN405
ATYR408
AHOH1424

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 Residues11
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: {"evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsActive site: {"description":"Nucleophile","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues3
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

245663

PDB entries from 2025-12-03

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