1JS4

ENDO/EXOCELLULASE:CELLOBIOSE FROM THERMOMONOSPORA

• PDB DOI: https://doi.org/10.2210/pdb1JS4/pdb

• Classification: GLYCOSYL HYDROLASE
• Organism(s): Thermobifida fusca
• Expression System: Streptomyces lividans TK24
• Mutation(s): No 


• Deposited: 1997-05-30 Released: 1997-09-17 
• Deposition Author(s): Sakon, J., Wilson, D.B., Karplus, P.A.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Work: 0.199 
• R-Value Observed: 0.199 

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 135.62 kDa 
• Atom Count: 11,127 
• Modelled Residue Count: 1,210 
• Deposited Residue Count: 1,210 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ENDO/EXOCELLULASE E4	A, B	605	Thermobifida fusca	Mutation(s): 0  Gene Names: BAMH1-PST1 FRAGMENT OF T. FUSC EC: 3.2.1.4
UniProt
Find proteins for P26221 (Thermobifida fusca) Explore P26221  Go to UniProtKB:  P26221

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose	C	3		N/A
Glycosylation Resources
GlyTouCan:  G14338VK GlyCosmos:  G14338VK GlyGen:  G14338VK

Entity ID: 3
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
beta-D-glucopyranose-(1-4)-beta-D-glucopyranose	D	2		N/A
Glycosylation Resources
GlyTouCan:  G84824ZO GlyCosmos:  G84824ZO

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
BGC	G [auth B]	beta-D-glucopyranose C6 H12 O6 WQZGKKKJIJFFOK-VFUOTHLCSA-N
CA	E [auth A], F [auth A], H [auth B], I [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Biologically Interesting Molecules (External Reference) 2 Unique

Entity ID: 2
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900021	C	beta-cellotriose	Oligosaccharide / Metabolism

Entity ID: 3
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900005	D	beta-cellobiose	Oligosaccharide / Metabolism

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Work: 0.199 
• R-Value Observed: 0.199 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 145.68	α = 90
b = 145.68	β = 90
c = 157.08	γ = 90

Software Package:

Software Name	Purpose
SCALEPACK	data scaling
PHASES	phasing
X-PLOR	model building
X-PLOR	refinement
X-PLOR	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 1997-09-17 
Deposition Author(s): Sakon, J., Wilson, D.B., Karplus, P.A.

Revision History  

• Version 1.0: 1997-09-17
  Type: Initial release
  
• Version 1.1: 2008-03-24
  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, Structure summary