1T75 | pdb_00001t75

Crystal structure of Escherichia coli beta carbonic anhydrase

• PDB DOI: https://doi.org/10.2210/pdb1T75/pdb

• Classification: LYASE
• Organism(s): Escherichia coli
• Expression System: Escherichia coli K-12
• Mutation(s): No 


• Deposited: 2004-05-07 Released: 2004-06-22 
• Deposition Author(s): Oganesyan, V., Kim, S.-H., Kim, R., Jancarik, J., Berkeley Structural Genomics Center (BSGC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 
  0.246 (Depositor), 0.246 (DCC) 
• R-Value Work: 
  0.196 (Depositor), 0.204 (DCC) 
• R-Value Observed: 
  0.198 (Depositor) 

Literature

Crystal structure of Escherichia coli beta carbonic anhydrase

Oganesyan, V., Kim, S.-H., Kim, R., Jancarik, J.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

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

Macromolecule Content 

• Total Structure Weight: 100.78 kDa 
• Atom Count: 7,058 
• Modeled Residue Count: 856 
• Deposited Residue Count: 880 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein yadF	A, B, C [auth D], D [auth E]	220	Escherichia coli	Mutation(s): 0  Gene Names: YADF, B0126, SF0123, S0125 EC: 4.2.1.1
UniProt
Find proteins for P61517 (Escherichia coli (strain K12)) Explore P61517  Go to UniProtKB:  P61517

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	E [auth A], F [auth B], G [auth D], H [auth E]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free:  0.246 (Depositor), 0.246 (DCC) 
• R-Value Work:  0.196 (Depositor), 0.204 (DCC) 
• R-Value Observed: 0.198 (Depositor) 

Space Group: P 4₃ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 110.447	α = 90
b = 110.447	β = 90
c = 162.536	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2004-06-22 
Deposition Author(s): Oganesyan, V., Kim, S.-H., Kim, R., Jancarik, J., Berkeley Structural Genomics Center (BSGC)

Revision History  

• Version 1.0: 2004-06-22
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.3: 2024-02-14
  Changes: Data collection, Database references, Derived calculations