Structure of PDB 1b3x Chain A Binding Site BS02

Receptor Information
>1b3x 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 chain1b3x Chain B Residue 2 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB1b3x Xylan binding subsite mapping in the xylanase from Penicillium simplicissimum using xylooligosaccharides as cryo-protectant.
Resolution2.2 Å
Binding residue
(original residue number in PDB)		E47 N48 K51 Q91
Binding residue
(residue number reindexed from 1)		E47 N48 K51 Q91
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

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1b3x, PDBe:1b3x, PDBj:1b3x
PDBsum1b3x
PubMed10029534
UniProtP56588|XYNA_PENSI Endo-1,4-beta-xylanase

[Back to BioLiP]