2H1I | pdb_00002h1i

Crystal Structure of the Bacillus cereus Carboxylesterase

• PDB DOI: https://doi.org/10.2210/pdb2H1I/pdb

• Classification: HYDROLASE
• Organism(s): Bacillus cereus ATCC 14579
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2006-05-16 Released: 2006-05-30 
• Deposition Author(s): Minasov, G., Shuvalova, L., Collart, F.R., Joachimiak, A., Anderson, W.F., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 
  0.230 (Depositor), 0.226 (DCC) 
• R-Value Work: 
  0.167 (Depositor), 0.165 (DCC) 
• R-Value Observed: 
  0.170 (Depositor) 

Literature

Crystal Structure of the Bacillus cereus Carboxylesterase

Minasov, G., Shuvalova, L., Collart, F.R., Anderson, W.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.

Biological Assembly 3  

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

Biological assembly 3 assigned by authors.

Biological Assembly 4  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 3-mer - A3 

Biological assembly 4 generated by PISA (software)

Biological Assembly 5  

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

Biological assembly 5 generated by PISA (software)

Macromolecule Content 

• Total Structure Weight: 77.57 kDa 
• Atom Count: 5,074 
• Modeled Residue Count: 619 
• Deposited Residue Count: 678 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Carboxylesterase	A, B, C	226	Bacillus cereus ATCC 14579	Mutation(s): 0  Gene Names: AAP10572 EC: 3.1.1.1
UniProt
Find proteins for Q81AD5 (Bacillus cereus (strain ATCC 14579 / DSM 31 / CCUG 7414 / JCM 2152 / NBRC 15305 / NCIMB 9373 / NCTC 2599 / NRRL B-3711)) Explore Q81AD5  Go to UniProtKB:  Q81AD5

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	D [auth A], G [auth B], L [auth C]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
CA	E [auth A], H [auth B], I [auth B], M [auth C]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N
CL	F [auth A], J [auth B], K [auth B], N [auth C], O [auth C]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free:  0.230 (Depositor), 0.226 (DCC) 
• R-Value Work:  0.167 (Depositor), 0.165 (DCC) 
• R-Value Observed: 0.170 (Depositor) 

Space Group: P 6₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 99.607	α = 90
b = 99.607	β = 90
c = 160.234	γ = 120

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SHARP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-05-30 
Deposition Author(s): Minasov, G., Shuvalova, L., Collart, F.R., Joachimiak, A., Anderson, W.F., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2006-05-30
  Type: Initial release
  
• Version 1.1: 2008-05-01
  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