Structure of PDB 1i8a Chain A Binding Site BS01

Receptor Information

>1i8a Chain A (length=189) Species: 2336 (Thermotoga maritima)

MVATAKYGTPVIDGEIDEIWNTTEEIETKAVAMGSLDKNATAKVRVLWDE
NYLYVLAIVKDPVLNKDNSNPWEQDSVEIFIDENNHKTGYYEDDDAQFRV
NYMNEQTFGTGGSPARFKTAVKLIEGGYIVEAAIKWKTIKPTPNTVIGFN
IQVNDANEKGQRVGIISWSDPTNNSWRDPSKFGNLRLIK

Ligand information

• Ligand ID: BGC
• InChI: InChI=1S/C6H12O6/c7-1-2-3(8)4(9)5(10)6(11)12-2/h2-11H,1H2/t2-,3-,4+,5-,6-/m1/s1
• InChIKey: WQZGKKKJIJFFOK-VFUOTHLCSA-N
• SMILES:
  OpenEye OEToolkits 1.7.6: C(C1C(C(C(C(O1)O)O)O)O)O
  CACTVS 3.370: OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O
  CACTVS 3.370: OC[CH]1O[CH](O)[CH](O)[CH](O)[CH]1O
  OpenEye OEToolkits 1.7.6: C([C@@H]1[C@H]([C@@H]([C@H]([C@@H](O1)O)O)O)O)O
  ACDLabs 12.01: OC1C(O)C(OC(O)C1O)CO
• Formula: C6 H12 O6
• Name: beta-D-glucopyranose;
  beta-D-glucose;
  D-glucose;
  glucose
• ChEMBL: CHEMBL1614854
• DrugBank: DB02379
• ZINC: ZINC000003833800
• PDB chain: 1i8a Chain A Residue 189

Receptor-Ligand Complex Structure

Structure summary

• PDB: 1i8a Crystal structures of the family 9 carbohydrate-binding module from Thermotoga maritima xylanase 10A in native and ligand-bound forms.
• Resolution: 1.9 Å
• Binding residue (original residue number in PDB): W71 E77 Q96 R98 R161 N172 W175
• Binding residue (residue number reindexed from 1): W72 E78 Q97 R99 R162 N173 W176
• Annotation score: 4

Enzymatic activity

• 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:0030246 carbohydrate binding

Biological Process

• GO:0016052 carbohydrate catabolic process

External links

• PDB: RCSB:1i8a, PDBe:1i8a, PDBj:1i8a
• PDBsum: 1i8a
• PubMed: 11371186
• UniProt: Q60037|XYNA_THEMA Endo-1,4-beta-xylanase A (Gene Name=xynA)