1HL9

CRYSTAL STRUCTURE OF THERMOTOGA MARITIMA ALPHA-FUCOSIDASE IN COMPLEX WITH A MECHANISM BASED INHIBITOR

• PDB DOI: https://doi.org/10.2210/pdb1HL9/pdb

• Classification: HYDROLASE
• Organism(s): Thermotoga maritima MSB8
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2003-03-14 Released: 2004-02-05 
• Deposition Author(s): Sulzenbacher, G., Bignon, C., Bourne, Y., Henrissat, B.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.25 Å
• R-Value Free: 0.229 
• R-Value Work: 0.181 
• R-Value Observed: 0.184 

Biological Assembly 1  

Global Symmetry: Dihedral - D3  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

Biological assembly 1 assigned by authors and generated by PQS (software)

Macromolecule Content

• Total Structure Weight: 104.96 kDa 
• Atom Count: 7,280 
• Modelled Residue Count: 848 
• Deposited Residue Count: 898 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PUTATIVE ALPHA-L-FUCOSIDASE	A, B	449	Thermotoga maritima MSB8	Mutation(s): 0  EC: 3.2.1.51
UniProt
Find proteins for Q9WYE2 (Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8)) Explore Q9WYE2  Go to UniProtKB:  Q9WYE2

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FUF	C [auth A], D [auth B]	2-deoxy-2-fluoro-beta-L-fucopyranose C6 H11 F O4 IRKXGKIPOMIQOD-QYESYBIKSA-N

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
KCX	A, B	L-PEPTIDE LINKING	C7 H14 N2 O4		LYS

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.25 Å
• R-Value Free: 0.229 
• R-Value Work: 0.181 
• R-Value Observed: 0.184 
• Space Group: H 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 172.157	α = 90
b = 172.157	β = 90
c = 167.331	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2004-02-05 
Deposition Author(s): Sulzenbacher, G., Bignon, C., Bourne, Y., Henrissat, B.

Revision History  

• Version 1.0: 2004-02-05
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Data collection, Derived calculations, Other, Structure summary
• Version 1.3: 2023-12-13
  Changes: Data collection, Database references, Refinement description, Structure summary