1ZMB

Crystal Structure of the Putative Acetylxylan Esterase from Clostridium acetobutylicum, Northeast Structural Genomics Target CaR6

• PDB DOI: https://doi.org/10.2210/pdb1ZMB/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Clostridium acetobutylicum ATCC 824
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2005-05-10 Released: 2005-05-17 
• Deposition Author(s): Forouhar, F., Vorobiev, S.M., Abashidze, M., Ciao, M., Acton, T.B., Montelione, G.T., Hunt, J.F., Tong, L., Northeast Structural Genomics Consortium (NESG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.61 Å
• R-Value Free: 0.269 
• R-Value Work: 0.243 
• R-Value Observed: 0.243 

Literature

Crystal Structure of the Putative Acetylxylan Esterase from Clostridium acetobutylicum, Northeast Structural Genomics Target CaR6

Forouhar, F., Vorobiev, S.M., Abashidze, M., Ciao, M., Acton, T.B., Montelione, G.T., Hunt, J.F., Tong, L.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly 3  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 3 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 202.32 kDa 
• Atom Count: 13,791 
• Modelled Residue Count: 1,704 
• Deposited Residue Count: 1,740 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Acetylxylan esterase related enzyme	A, B, C, D, E, F	290	Clostridium acetobutylicum ATCC 824	Mutation(s): 10
UniProt
Find proteins for Q97LM8 (Clostridium acetobutylicum (strain ATCC 824 / DSM 792 / JCM 1419 / IAM 19013 / LMG 5710 / NBRC 13948 / NRRL B-527 / VKM B-1787 / 2291 / W)) Explore Q97LM8  Go to UniProtKB:  Q97LM8

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B, C, D, E, F	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.61 Å
• R-Value Free: 0.269 
• R-Value Work: 0.243 
• R-Value Observed: 0.243 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 70.999	α = 106.5
b = 87.936	β = 100.22
c = 103.51	γ = 113.8

Software Package:

Software Name	Purpose
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
SHELXS	phasing
SOLVE	phasing
RESOLVE	phasing
XTALVIEW	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-05-17 
Deposition Author(s): Forouhar, F., Vorobiev, S.M., Abashidze, M., Ciao, M., Acton, T.B., Montelione, G.T., Hunt, J.F., Tong, L., Northeast Structural Genomics Consortium (NESG)

Revision History  

• Version 1.0: 2005-05-17
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Source and taxonomy, Version format compliance
• Version 1.3: 2024-10-30
  Changes: Data collection, Database references, Derived calculations, Structure summary