Structure of PDB 1b3z Chain A Binding Site BS01

Receptor Information
>1b3z Chain A (length=302) Species: 69488 (Penicillium simplicissimum) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
QASVSIDAKFKAHGKKYLGTIGDQYTLTKNTKNPAIIKADFGQLTPENSM
KWDATEPNRGQFTFSGSDYLVNFAQSNGKLIRGHTLVWHSQLPGWVSSIT
DKNTLISVLKNHITTVMTRYKGKIYAWDVLNEIFNEDGSLRNSVFYNVIG
EDYVRIAFETARSVDPNAKLYINDYNLDSAGYSKVNGMVSHVKKWLAAGI
PIDGIGSQTHLGAGAGSAVAGALNALASAGTKEIAITELDIAGASSTDYV
NVVNACLNQAKCVGITVWGVADPDSWRSSSSPLLFDGNYNPKAAYNAIAN
AL
Ligand information
Ligand IDXYP
InChIInChI=1S/C5H10O5/c6-2-1-10-5(9)4(8)3(2)7/h2-9H,1H2/t2-,3+,4-,5-/m1/s1
InChIKeySRBFZHDQGSBBOR-KKQCNMDGSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0C1C(C(C(C(O1)O)O)O)O
CACTVS 3.341O[C@@H]1CO[C@@H](O)[C@H](O)[C@H]1O
OpenEye OEToolkits 1.5.0C1[C@H]([C@@H]([C@H]([C@@H](O1)O)O)O)O
CACTVS 3.341O[CH]1CO[CH](O)[CH](O)[CH]1O
ACDLabs 10.04OC1C(O)COC(O)C1O
FormulaC5 H10 O5
Namebeta-D-xylopyranose;
beta-D-xylose;
D-xylose;
xylose
ChEMBL
DrugBank
ZINCZINC000001529215
PDB chain1b3z Chain B Residue 1 [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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PDB1b3z Xylan binding subsite mapping in the xylanase from Penicillium simplicissimum using xylooligosaccharides as cryo-protectant.
Resolution2.3 Å
Binding residue
(original residue number in PDB)		K51 H84 W88 E132 E238 W268 W276
Binding residue
(residue number reindexed from 1)		K51 H84 W88 E132 E238 W268 W276
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) E132 N173 H210 E238 D240
Catalytic site (residue number reindexed from 1) E132 N173 H210 E238 D240
Enzyme Commision number 3.2.1.8: endo-1,4-beta-xylanase.
Gene Ontology
Molecular Function
GO:0004553 hydrolase activity, hydrolyzing O-glycosyl compounds
GO:0016798 hydrolase activity, acting on glycosyl bonds
GO:0031176 endo-1,4-beta-xylanase activity
Biological Process
GO:0005975 carbohydrate metabolic process
GO:0045493 xylan catabolic 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:1b3z, PDBe:1b3z, PDBj:1b3z
PDBsum1b3z
PubMed10029534
UniProtP56588|XYNA_PENSI Endo-1,4-beta-xylanase

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