1UP3

Structure of the endoglucanase Cel6 from Mycobacterium tuberculosis in complex with METHYL-CELLOBIOSYL-4-DEOXY-4-THIO-BETA-D-CELLOBIOSIDE at 1.6 angstrom

• PDB DOI: https://doi.org/10.2210/pdb1UP3/pdb

• Classification: HYDROLASE
• Organism(s): Mycobacterium tuberculosis H37Rv
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2003-09-26 Released: 2004-11-18 
• Deposition Author(s): Varrot, A., Leydier, S., Pell, G., Gilbert, H.J., Davies, G.J.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.174 
• R-Value Work: 0.138 
• R-Value Observed: 0.140 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

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

Macromolecule Content

• Total Structure Weight: 32.54 kDa 
• Atom Count: 2,601 
• Modelled Residue Count: 293 
• Deposited Residue Count: 294 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
PUTATIVE CELLULASE CEL6	A	294	Mycobacterium tuberculosis H37Rv	Mutation(s): 0
UniProt
Find proteins for Q79G13 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore Q79G13  Go to UniProtKB:  Q79G13

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-4-thio-beta-D-glucopyranose-(1-4)-methyl beta-D-glucopyranoside	B	4	N/A	N/A
Glycosylation Resources
GlyTouCan:  G15263TL GlyCosmos:  G15263TL

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
1PG	F [auth A], G [auth A], H [auth A], I [auth A]	2-(2-{2-[2-(2-METHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHOXY)-ETHANOL C11 H24 O6 SLNYBUIEAMRFSZ-UHFFFAOYSA-N
SO4	C [auth A], D [auth A], E [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.174 
• R-Value Work: 0.138 
• R-Value Observed: 0.140 
• Space Group: P 2₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 61.893	α = 90
b = 93.058	β = 90
c = 46.69	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2004-11-18 
Deposition Author(s): Varrot, A., Leydier, S., Pell, G., Gilbert, H.J., Davies, G.J.

Revision History  

• Version 1.0: 2004-11-18
  Type: Initial release
  
• Version 1.1: 2011-05-08
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Other, Structure summary