Structure of PDB 4fph Chain A

Receptor sequence
>4fphA (length=658) Species: 1313 (Streptococcus pneumoniae) [Search protein sequence]
ISPIFQGGSYQLNNKSIDISSLLLDKLSGESQTVVMKFKADKPNSLQALF
GLSNSKAGFKNNYFSIFMRDSGEIGVEIRDAQKGINYLFSRPASLWGKHK
GQAVENTLVFVSDSKDKTYTMYVNGIEVFSETVDTFLPISNINGIDKATL
GAVNREGKEHYLAKGSIDEISLFNKAISDQEVSTIPLSNPFQLIFQSGDS
TQANYFRIPTLYTLSSGRVLSSIDARYGGTHDSKSKINIATSYSDDNGKT
WSEPIFAMKFNDYEEQLVYWPRDNKLKNSQISGSASFIDSSIVEDKKSGK
TILLADVMPAGIGNNNANKADSGFKEINGHYYLKLKKNGDNDFRYTVREN
GVVYNETTNKPTNYTINDKYEVLEGGKSLTVEQYSVDFDSGSLRERHNGK
QVPMNVFYKDSLFKVTPTNYIAMTTSQNRGESWEQFKLLPPFLGEKHNGT
YLCPGQGLALKSSNRLIFATYTSGELTYLISDDSGQTWKKSSASIPFKNA
TAEAQMVELRDGVIRTFFRTTTGKIAYMTSRDSGETWSKVSYIDGIQQTS
YGTQVSAIKYSQLIDGKEAVILSTPNSRSGRKGGQLVVGLVNKEDDSIDW
KYHYDIDLPSYGYAYSAITELPNHHIGVLFEKYDSWSRNELHLSNVVQYI
DLEINDLT
3D structure
PDB4fph Synthesis and structural characterisation of selective non-carbohydrate-based inhibitors of bacterial sialidases.
ChainA
Resolution1.938 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) D270 E541 Y653
Catalytic site (residue number reindexed from 1) D232 E503 Y615
Enzyme Commision number 3.2.1.18: exo-alpha-sialidase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 0V7 A R245 D270 S271 I326 N352 Y489 R557 R619 Y653 R207 D232 S233 I288 N314 Y451 R519 R581 Y615
Gene Ontology
Molecular Function
GO:0004308 exo-alpha-sialidase activity
Biological Process
GO:0005975 carbohydrate metabolic process

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Molecular Function
View graph for
Biological Process
External links
PDB RCSB:4fph, PDBe:4fph, PDBj:4fph
PDBsum4fph
PubMed23070966
UniProtQ54727|NANB_STRPN Sialidase B (Gene Name=nanB)

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