Structure of PDB 2xqr Chain A

Receptor sequence
>2xqrA (length=537) Species: 3702 (Arabidopsis thaliana) [Search protein sequence]
NQPYRTGFHFQPPKNWMNDPNGPMIYKGIYHLFYQWNPKGAVWGNIVWAH
STSTDLINWDPHPPAIFPSAPFDINGCWSGSATILPNGKPVILYTGIDPK
NQQVQNIAEPKNLSDPYLREWKKSPLNPLMAPDAVNGINASSFRDPTTAW
LGQDKKWRVIIGSKIHRRGLAITYTSKDFLKWEKSPEPLHYDDGSGMWEC
PDFFPVTRFGSNGVETSSFGEPNEILKHVLKISLDDTKHDYYTIGTYDRV
KDKFVPDNGFKMDGTAPRYDYGKYYASKTFFDSAKNRRILWGWTNESSSV
EDDVEKGWSGIQTIPRKIWLDRSGKQLIQWPVREVERLRTKQVKNLRNKV
LKSGSRLEVYGVTAAQADVEVLFKVRDLEKADVIEPSWTDPQLICSKMNV
SVKSGLGPFGLMVLASKNLEEYTSVYFRIFKARQNSNKYVVLMCSDQSRS
SLKEDNDKTTYGAFVDINPHQPLSLRALIDHSVVESFGGKGRACITSRVY
PKLAIGKSSHLFAFNYGYQSVDVLNLNAWSMNSAQIS
3D structure
PDB2xqr Structural Insights Into the Ph-Controlled Targeting of Plant Cell-Wall Invertase by a Specific Inhibitor Protein.
ChainA
Resolution2.58 Å
3D
structure
Catalytic site residues are labeled in the structure
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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.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 MAN A Q396 S400 Q392 S396
BS02 FRU A N22 D23 Q39 W47 W82 S83 R148 D149 E203 N18 D19 Q35 W43 W78 S79 R144 D145 E199
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

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Molecular Function
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Biological Process
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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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