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4XIO

Crystal structure of apo NanB sialidase from streptococcus pneumoniae at pH 8.0 with MPD as the cryoprotectant

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Sialidase Bpolymer65873519.91UniProt (Q54727)
Pfam (PF02973)
Pfam (PF02012)
Pfam (PF13088)
Streptococcus pneumoniae TIGR4Neuraminidase B
2B
(A)
waterwater18.0859Chemie (HOH)
Sequence modifications
A: 39 - 696 (UniProt: Q54727)
PDBExternal DatabaseDetails
Gly 643Asp 643engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight73519.9
All*Total formula weight73519.9
*Water molecules are not included.

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PDB entries from 2025-06-18

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