Structure of PDB 4xog Chain A Binding Site BS02

Receptor Information
>4xog Chain A (length=660) Species: 170187 (Streptococcus pneumoniae TIGR4) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
LSISPIFQGGSYQLNNKSIDISSLLLDKLSGESQTVVMKFKADKPNSLQA
LFGLSNSKAGFKNNYFSIFMRDSGEIGVEIRDAQKGINYLFSRPASLWGK
HKGQAVENTLVFVSDSKDKTYTMYVNGIEVFSETVDTFLPISNINGIDKA
TLGAVNREGKEHYLAKGSIDEISLFNKAISDQEVSTIPLSNPFQLIFQSG
DSTQANYFRIPTLYTLSSGRVLSSIDARYGGTHDSKSKINIATSYSDDNG
KTWSEPIFAMKFNDYEEQLVYWPRDNKLKNSQISGSASFIDSSIVEDKKS
GKTILLADVMPAGIGNNNANKADSGFKEINGHYYLKLKKNGDNDFRYTVR
ENGVVYNETTNKPTNYTINDKYEVLEGGKSLTVEQYSVDFDSGSLRERHN
GKQVPMNVFYKDSLFKVTPTNYIAMTTSQNRGESWEQFKLLPPFLGEKHN
GTYLCPGQGLALKSSNRLIFATYTSGELTYLISDDSGQTWKKSSASIPFK
NATAEAQMVELRDGVIRTFFRTTTGKIAYMTSRDSGETWSKVSYIDGIQQ
TSYGTQVSAIKYSQLIDGKEAVILSTPNSRSGRKGGQLVVGLVNKEDDSI
DWKYHYGIDLPSYGYAYSAITELPNHHIGVLFEKYDSWSRNELHLSNVVQ
YIDLEINDLT
Ligand information
Ligand IDOPX
InChIInChI=1S/C12H23NO5S/c14-10-6-12(7-11(10)15,19(16,17)18)8-13-9-4-2-1-3-5-9/h9-11,13-15H,1-8H2,(H,16,17,18)/t10-,11+,12-
InChIKeyRMLVAYWMDDDXFB-ZSBIGDGJSA-N
SMILES
SoftwareSMILES
CACTVS 3.370O[C@@H]1C[C@](CNC2CCCCC2)(C[C@@H]1O)[S](O)(=O)=O
OpenEye OEToolkits 1.7.6C1CCC(CC1)NCC2(CC(C(C2)O)O)S(=O)(=O)O
OpenEye OEToolkits 1.7.6C1CCC(CC1)NCC2(C[C@H]([C@H](C2)O)O)S(=O)(=O)O
CACTVS 3.370O[CH]1C[C](CNC2CCCCC2)(C[CH]1O)[S](O)(=O)=O
ACDLabs 12.01O=S(=O)(O)C1(CC(O)C(O)C1)CNC2CCCCC2
FormulaC12 H23 N O5 S
Name(1s,3R,4S)-1-[(cyclohexylamino)methyl]-3,4-dihydroxycyclopentanesulfonic acid
ChEMBL
DrugBank
ZINCZINC000263620979
PDB chain4xog Chain A Residue 702 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4xog The Hunt for Serendipitous Allosteric Sites: Discovery of a novel allosteric inhibitor of the bacterial sialidase NanB
Resolution2.09 Å
Binding residue
(original residue number in PDB)
Y250 T251 Q494 K499 E658
Binding residue
(residue number reindexed from 1)
Y214 T215 Q458 K463 E622
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) D270 E541 Y653
Catalytic site (residue number reindexed from 1) D234 E505 Y617
Enzyme Commision number 3.2.1.18: exo-alpha-sialidase.
Gene Ontology
Molecular Function
GO:0004308 exo-alpha-sialidase activity
GO:0016798 hydrolase activity, acting on glycosyl bonds
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0006689 ganglioside catabolic process
GO:0009313 oligosaccharide catabolic process
Cellular Component
GO:0005737 cytoplasm
GO:0016020 membrane
GO:0043231 intracellular membrane-bounded organelle

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:4xog, PDBe:4xog, PDBj:4xog
PDBsum4xog
PubMed
UniProtQ54727|NANB_STRPN Sialidase B (Gene Name=nanB)

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