Structure of PDB 2xqr Chain I Binding Site BS01

Receptor Information
>2xqr Chain I (length=537) Species: 3702 (Arabidopsis thaliana) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
NQPYRTGFHFQPPKNWMNDPNGPMIYKGIYHLFYQWNPKGAVWGNIVWAH
STSTDLINWDPHPPAIFPSAPFDINGCWSGSATILPNGKPVILYTGIDPK
NQQVQNIAEPKNLSDPYLREWKKSPLNPLMAPDAVNGINASSFRDPTTAW
LGQDKKWRVIIGSKIHRRGLAITYTSKDFLKWEKSPEPLHYDDGSGMWEC
PDFFPVTRFGSNGVETSSFGEPNEILKHVLKISLDDTKHDYYTIGTYDRV
KDKFVPDNGFKMDGTAPRYDYGKYYASKTFFDSAKNRRILWGWTNESSSV
EDDVEKGWSGIQTIPRKIWLDRSGKQLIQWPVREVERLRTKQVKNLRNKV
LKSGSRLEVYGVTAAQADVEVLFKVRDLEKADVIEPSWTDPQLICSKMNV
SVKSGLGPFGLMVLASKNLEEYTSVYFRIFKARQNSNKYVVLMCSDQSRS
SLKEDNDKTTYGAFVDINPHQPLSLRALIDHSVVESFGGKGRACITSRVY
PKLAIGKSSHLFAFNYGYQSVDVLNLNAWSMNSAQIS
Ligand information
Ligand IDFRU
InChIInChI=1S/C6H12O6/c7-1-3-4(9)5(10)6(11,2-8)12-3/h3-5,7-11H,1-2H2/t3-,4-,5+,6-/m1/s1
InChIKeyRFSUNEUAIZKAJO-ARQDHWQXSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04OC1C(O)C(OC1(O)CO)CO
OpenEye OEToolkits 1.5.0C([C@@H]1[C@H]([C@@H]([C@](O1)(CO)O)O)O)O
CACTVS 3.341OC[CH]1O[C](O)(CO)[CH](O)[CH]1O
OpenEye OEToolkits 1.5.0C(C1C(C(C(O1)(CO)O)O)O)O
CACTVS 3.341OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O
FormulaC6 H12 O6
Namebeta-D-fructofuranose;
beta-D-fructose;
D-fructose;
fructose
ChEMBLCHEMBL604608
DrugBank
ZINCZINC000001529270
PDB chain2xqr Chain I Residue 1000 [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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PDB2xqr Structural Insights Into the Ph-Controlled Targeting of Plant Cell-Wall Invertase by a Specific Inhibitor Protein.
Resolution2.58 Å
Binding residue
(original residue number in PDB)		N22 D23 Q39 W47 W82 S83 R148 D149 E203
Binding residue
(residue number reindexed from 1)		N18 D19 Q35 W43 W78 S79 R144 D145 E199
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) D23 E203
Catalytic site (residue number reindexed from 1) D19 E199
Enzyme Commision number 3.2.1.26: beta-fructofuranosidase.
Gene Ontology
Molecular Function
GO:0004553 hydrolase activity, hydrolyzing O-glycosyl compounds
GO:0004564 beta-fructofuranosidase activity
GO:0005515 protein binding
GO:0016798 hydrolase activity, acting on glycosyl bonds
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0009611 response to wounding
GO:0050832 defense response to fungus
Cellular Component
GO:0005886 plasma membrane
GO:0048046 apoplast

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:2xqr, PDBe:2xqr, PDBj:2xqr
PDBsum2xqr
PubMed20858733
UniProtQ43866|INV1_ARATH Beta-fructofuranosidase, insoluble isoenzyme CWINV1 (Gene Name=CWINV1)

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