4B9F

High resolution structure for family 3a carbohydrate binding module from the cipA scaffolding of clostridium thermocellum

• PDB DOI: https://doi.org/10.2210/pdb4B9F/pdb

• Classification: SUGAR BINDING PROTEIN
• Organism(s): Acetivibrio thermocellus ATCC 27405
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2012-09-04 Released: 2012-09-12 
• Deposition Author(s): Yaniv, O., Shimon, L.J.W., Bayer, E.A., Lamed, R., Frolow, F.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.19 Å
• R-Value Free: 0.159 
• R-Value Work: 0.151 
• R-Value Observed: 0.152 

Starting Model: experimental

Literature

High Resolution Structure of the Family 3A Carbohydrate-Binding Module from the Mafor Scaffoldin Subunit Cipa of Clostridium Thermocellum

Yaniv, O., Shimon, L.J.W., Bayer, E.A., Lamed, R., Frolow, F.

To be published.

Biological Assembly 1  

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

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

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 34.21 kDa 
• Atom Count: 2,925 
• Modelled Residue Count: 304 
• Deposited Residue Count: 304 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CELLULOSOMAL-SCAFFOLDING PROTEIN A	A, B	152	Acetivibrio thermocellus ATCC 27405	Mutation(s): 0
UniProt
Find proteins for Q06851 (Acetivibrio thermocellus (strain ATCC 27405 / DSM 1237 / JCM 9322 / NBRC 103400 / NCIMB 10682 / NRRL B-4536 / VPI 7372)) Explore Q06851  Go to UniProtKB:  Q06851

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	D [auth A], F [auth B], G [auth B], H [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
CA	C [auth A], E [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.19 Å
• R-Value Free: 0.159 
• R-Value Work: 0.151 
• R-Value Observed: 0.152 
• Space Group: P 2 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 54.939	α = 90
b = 58.868	β = 90
c = 87.525	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-09-12 
Deposition Author(s): Yaniv, O., Shimon, L.J.W., Bayer, E.A., Lamed, R., Frolow, F.

Revision History  

• Version 1.0: 2012-09-12
  Type: Initial release
  
• Version 1.1: 2013-09-04
  Changes: Atomic model, Derived calculations, Non-polymer description, Other
• Version 1.2: 2023-12-20
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description