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4XHB

Crystal structure of the NanB sialidase from streptococcus pneumoniae in complex with pentanediol and CHES

Functional Information from GO Data
ChainGOidnamespacecontents
A0004308molecular_functionexo-alpha-sialidase activity
A0005975biological_processcarbohydrate metabolic process
A0016798molecular_functionhydrolase activity, acting on glycosyl bonds
A0052794molecular_functionexo-alpha-(2->3)-sialidase activity
A0052795molecular_functionexo-alpha-(2->6)-sialidase activity
A0052796molecular_functionexo-alpha-(2->8)-sialidase activity
Functional Information from PDB Data
site_idAC1
Number of Residues5
Detailsbinding site for residue 17Y A 701
ChainResidue
ATHR251
AGLN494
ATHR657
AHOH984
AHOH1056

site_idAC2
Number of Residues12
Detailsbinding site for residue NHE A 702
ChainResidue
ATYR509
AARG557
AARG619
ATYR653
ATRP674
AHOH1095
AHOH1249
AHOH1263
AARG245
AASP270
AASP327
AASN352

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsACT_SITE: Proton acceptor => ECO:0000250
ChainResidueDetails
AASP270

site_idSWS_FT_FI2
Number of Residues1
DetailsACT_SITE: ACT_SITE => ECO:0000255
ChainResidueDetails
AGLU541

site_idSWS_FT_FI3
Number of Residues1
DetailsACT_SITE: Nucleophile => ECO:0000250
ChainResidueDetails
ATYR653

site_idSWS_FT_FI4
Number of Residues3
DetailsBINDING: BINDING => ECO:0000250
ChainResidueDetails
AARG245
AARG557
AARG619

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PDB entries from 2024-07-31

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