Structure of PDB 1f9g Chain A Binding Site BS01

Receptor Information
>1f9g Chain A (length=721) Species: 1313 (Streptococcus pneumoniae) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
VKDTYTDRLDDWNGIIAGNQYYDSKNDQMAKLNQELEGKVADSLSSISSQ
ADRIYLWEKFSNYKTSANLTATYRKLEEMAKQVTNPSSRYYQDETVVRTV
RDSMEWMHKHVYNSEKSIVGNWWDYEIGTPRAINNTLSLMKEYFSDEEIK
KYTDVIEKFVPDPEHFRKTTDNPFKALGGNLVDMGRVKVIAGLLRKDDQE
ISSTIRSIEQVFKLVDQGEGFYQDGSYIDHTNVAYTGAYGNVLIDGLSQL
LPVIQKTKNPIDKDKMQTMYHWIDKSFAPLLVNGELMDMSRGRSISRANS
EGHVAAVEVLRGIHRIADMSEGETKQRLQSLVKTIVQSDSYYDVFKNLKT
YKDISLMQSLLSDAGVASVPRTSYLSAFNKMDKTAMYNAEKGFGFGLSLF
SSRTLNYEHMNKENKRGWYTSDGMFYLYNGDLSHYSDGYWPTVNPYKMPG
TTETDAKRADSDTGKVLPSAFVGTSKLDDANATATMDFTNWNQTLTAHKS
WFMLKDKIAFLGSNIQNTSTDTAATTIDQRKLESSNPYKVYVNDKEASLT
EQEKDYPETQSVFLESSDSKKNIGYFFFKKSSISMSKALQKGAWKDINEG
QSDKEVENEFLTISQAHKQNGDSYGYMLIPNVDRATFNQMIKELESSLIE
NNETLQSVYDAKQGVWGIVKYDDSVSTISNQFQVLKRGVYTIRKEGDEYK
IAYYNPETQESAPDQEVFKKL
Ligand information
Ligand IDASC
InChIInChI=1S/C6H8O6/c7-1-2(8)5-3(9)4(10)6(11)12-5/h2,5,7-10H,1H2/t2-,5+/m0/s1
InChIKeyCIWBSHSKHKDKBQ-JLAZNSOCSA-N
SMILES
SoftwareSMILES
CACTVS 3.341OC[CH](O)[CH]1OC(=O)C(=C1O)O
OpenEye OEToolkits 1.5.0C(C(C1C(=C(C(=O)O1)O)O)O)O
OpenEye OEToolkits 1.5.0C([C@@H]([C@@H]1C(=C(C(=O)O1)O)O)O)O
CACTVS 3.341OC[C@H](O)[C@H]1OC(=O)C(=C1O)O
ACDLabs 10.04O=C1OC(C(O)=C1O)C(O)CO
FormulaC6 H8 O6
NameASCORBIC ACID;
Vitamin C
ChEMBLCHEMBL196
DrugBankDB00126
ZINCZINC000100006770
PDB chain1f9g Chain A Residue 950 [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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PDB1f9g Vitamin C inhibits the enzymatic activity of Streptococcus pneumoniae hyaluronate lyase.
Resolution2.0 Å
Binding residue
(original residue number in PDB)		W292 R462
Binding residue
(residue number reindexed from 1)		W123 R293
Annotation score1
Binding affinityMOAD: Ki=53mM
PDBbind-CN: -logKd/Ki=1.28,Ki=53mM
Enzymatic activity
Catalytic site (original residue number in PDB) N349 H399 Y408 R462 E577
Catalytic site (residue number reindexed from 1) N180 H230 Y239 R293 E408
Enzyme Commision number 4.2.2.1: hyaluronate lyase.
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0016829 lyase activity
GO:0030246 carbohydrate binding
Biological Process
GO:0005975 carbohydrate metabolic process
Cellular Component
GO:0005576 extracellular region

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1f9g, PDBe:1f9g, PDBj:1f9g
PDBsum1f9g
PubMed11278838
UniProtQ54873|HYSA_STRPN Hyaluronate lyase (Gene Name=SP_0314)

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