Structure of PDB 2jkb Chain A Binding Site BS01

Receptor Information
>2jkb Chain A (length=661) 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
DWKYHYDIDLPSYGYAYSAITELPNHHIGVLFEKYDSWSRNELHLSNVVQ
YIDLEINDLTK
Ligand information
Ligand IDSKD
InChIInChI=1S/C11H17NO8/c1-4(14)12-7-5(15)2-11(10(17)18)19-8(6(16)3-13)9(7)20-11/h5-9,13,15-16H,2-3H2,1H3,(H,12,14)(H,17,18)/t5-,6+,7+,8+,9+,11+/m0/s1
InChIKeyNCMJSVDTRDLWJE-YRMXFSIDSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=C(NC1C(O)CC2(OC1C(O2)C(O)CO)C(=O)O)C
CACTVS 3.341CC(=O)N[C@@H]1[C@@H](O)C[C@]2(O[C@H]([C@H](O)CO)[C@@H]1O2)C(O)=O
CACTVS 3.341CC(=O)N[CH]1[CH](O)C[C]2(O[CH]([CH](O)CO)[CH]1O2)C(O)=O
OpenEye OEToolkits 1.5.0CC(=O)N[C@@H]1[C@H](C[C@@]2(O[C@H]1[C@H](O2)[C@@H](CO)O)C(=O)O)O
OpenEye OEToolkits 1.5.0CC(=O)NC1C(CC2(OC1C(O2)C(CO)O)C(=O)O)O
FormulaC11 H17 N O8
Name2-ACETYLAMINO-7-(1,2-DIHYDROXY-ETHYL)-3-HYDROXY-6,8-DIOXA-BICYCLO[3.2.1]OCTANE-5-CARBOXYLIC ACID;
2,7-ANHYDRO-NEU5AC
ChEMBL
DrugBank
ZINC
PDB chain2jkb Chain A Residue 1698 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB2jkb Structural and Functional Studies of Streptococcus Pneumoniae Neuraminidase B: An Intramolecular Trans-Sialidase.
Resolution1.54 Å
Binding residue
(original residue number in PDB)
R245 D270 I326 D327 N352 T539 R557 R619 Y653
Binding residue
(residue number reindexed from 1)
R209 D234 I290 D291 N316 T503 R521 R583 Y617
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:2jkb, PDBe:2jkb, PDBj:2jkb
PDBsum2jkb
PubMed18775704
UniProtQ54727|NANB_STRPN Sialidase B (Gene Name=nanB)

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