Structure of PDB 4kh2 Chain A Binding Site BS01

Receptor Information
>4kh2 Chain A (length=595) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
APHLVQVDAARALWPLRRFWRSTGFCPPYVLSWDQQLNLAYVGAVPHRGI
KQVRTHWLLELVTTLSYNFTHLDGYLDLLRENQLLPGFELMGSASGHFTD
FEDKQQVFEWKDLVSSLARRYIGRYGLAHVSKWNFETWNEPDHHDFDNVS
MTMQGFLNYYDACSEGLRAASPALRLGGPGDSFHTPPRSPLSWGLLRHCH
DGTNFFTGEAGVRLDYISLHRKGARSSISILEQEKVVAQQIRQLFPKFAD
TPIYNDEADPLVGWSLPQPWRADVTYAAMVVKVIAQHQNLLLANTTSAFP
YALLSNDNAFLSYHPHPFAQRTLTARFQVNNTRPPHVQLLRKPVLTAMGL
LALLDEEQLWAEVSQAGTVLDSNHTVGVLASAHRPQGPADAWRAAVLIYA
SDDTRAHPNRSVAVTLRLRGVPPGPGLVYVTRYLDNGLCSPDGEWRRLGR
PVFPTAEQFRRMRAAEDPVAAAPRPLPAGGRLTLRPALRLPSLLLVHVCA
RPEKPPGQVTRLRALPLTQGQLVLVWSDEHVGSKCLWTYEIQFSQDYTPV
SRKPSTFNLFVFSPDTGAVSGSYRVRALDYWARPGPFSDPVPYLE
Ligand information
Ligand IDFIF
InChIInChI=1S/C6H9FO5/c7-2-1-12-5(6(10)11)4(9)3(2)8/h2-5,8-9H,1H2,(H,10,11)/t2-,3+,4-,5+/m0/s1
InChIKeyKRAJNEOUENOZDR-SKNVOMKLSA-N
SMILES
SoftwareSMILES
CACTVS 3.370O[CH]1[CH](F)CO[CH]([CH]1O)C(O)=O
ACDLabs 12.01FC1C(O)C(O)C(OC1)C(=O)O
CACTVS 3.370O[C@@H]1[C@@H](F)CO[C@H]([C@H]1O)C(O)=O
OpenEye OEToolkits 1.7.6C1C(C(C(C(O1)C(=O)O)O)O)F
OpenEye OEToolkits 1.7.6C1[C@@H]([C@H]([C@@H]([C@@H](O1)C(=O)O)O)O)F
FormulaC6 H9 F O5
Name2,6-anhydro-5-deoxy-5-fluoro-L-idonic acid;
2-deoxy-2-fluoro-alpha-L-idopyranuronosyl fluoride, bound form
ChEMBL
DrugBank
ZINCZINC000095921357
PDB chain4kh2 Chain A Residue 911 [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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PDB4kh2 Insights into mucopolysaccharidosis I from the structure and action of alpha-L-iduronidase.
Resolution2.36 Å
Binding residue
(original residue number in PDB)
H91 N181 K264 E299 G305 W306 D349 R363
Binding residue
(residue number reindexed from 1)
H56 N139 K222 E257 G263 W264 D307 R321
Annotation score1
Enzymatic activity
Enzyme Commision number 3.2.1.76: L-iduronidase.
Gene Ontology
Molecular Function
GO:0004553 hydrolase activity, hydrolyzing O-glycosyl compounds
Biological Process
GO:0005975 carbohydrate metabolic process

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:4kh2, PDBe:4kh2, PDBj:4kh2
PDBsum4kh2
PubMed24036510
UniProtP35475|IDUA_HUMAN Alpha-L-iduronidase (Gene Name=IDUA)

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