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4FPO

Crystal structure of the NanB sialidase from streptococcus pneumoniae in complex with 2-[(3-chloro-4-methoxybenzyl)ammonio]ethanesulfonate

Functional Information from GO Data
ChainGOidnamespacecontents
B0004308molecular_functionexo-alpha-sialidase activity
B0005975biological_processcarbohydrate metabolic process
Functional Information from PDB Data
site_idAC1
Number of Residues11
DetailsBINDING SITE FOR RESIDUE LL9 B 701
ChainResidue
BARG245
BTYR653
BTRP674
BASP270
BSER271
BILE326
BASP327
BMET346
BTYR489
BARG557
BARG619

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE DMS B 702
ChainResidue
BTYR250
BTHR251
BTHR657
BHOH1046

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE DMS B 703
ChainResidue
BARG129
BARG310
BHIS680
BSER682

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

246704

PDB entries from 2025-12-24

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