Structure of PDB 1xnk Chain B

Receptor sequence
>1xnkB (length=191) Species: 209285 (Thermochaetoides thermophila) [Search protein sequence]
QTLTSSATGTHNGYYYSFWTDGQGNIRFNLESGGQYSVTWSGNGNWVGGK
GWNPGTDNRVINYTADYRPNGNSYLAVYGWTRNPLIEYYVVESFGTYDPS
TGATRMGSVTTDGGTYNIYRTQRVNAPSIEGTKTFYQYWSVRTSKRTGGT
VTMANHFNAWRQAGLQLGSHDYQIVATEGYYSSGSATVNVG
3D structure
PDB1xnk Determination of thioxylo-oligosaccharide binding to family 11 xylanases using electrospray ionization Fourier transform ion cyclotron resonance mass spectrometry and X-ray crystallography
ChainB
Resolution1.55 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) N45 Y78 E87 Y89 E178
Catalytic site (residue number reindexed from 1) N45 Y78 E87 Y89 E178
Enzyme Commision number 3.2.1.8: endo-1,4-beta-xylanase.
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 Z4U B W19 V47 W19 V47
BS02 TWY B Y78 Y172 Y78 Y172
BS03 TWY B S128 I129 S128 I129
Gene Ontology
Molecular Function
GO:0004553 hydrolase activity, hydrolyzing O-glycosyl compounds
Biological Process
GO:0005975 carbohydrate metabolic process

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Molecular Function
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Biological Process
External links
PDB RCSB:1xnk, PDBe:1xnk, PDBj:1xnk
PDBsum1xnk
PubMed15853815
UniProtQ8J1V6

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