1JR7

CRYSTAL STRUCTURE OF GAB REVEALS OXIDOREDUCTASE FOLD

• PDB DOI: https://doi.org/10.2210/pdb1JR7/pdb
• Entry: 1JR7 supersedes: 1JFY

• Classification: OXIDOREDUCTASE, LYASE
• Organism(s): Escherichia coli
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2001-08-12 Released: 2001-08-22 
• Deposition Author(s): Lima, C.D., Burley, S.K., New York SGX Research Center for Structural Genomics (NYSGXRC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.240 
• R-Value Work: 0.193 

Literature

Structural genomics: a pipeline for providing structures for the biologist.

Chance, M.R., Bresnick, A.R., Burley, S.K., Jiang, J.S., Lima, C.D., Sali, A., Almo, S.C., Bonanno, J.B., Buglino, J.A., Boulton, S., Chen, H., Eswar, N., He, G., Huang, R., Ilyin, V., McMahan, L., Pieper, U., Ray, S., Vidal, M., Wang, L.K.

(2002) Protein Sci 11: 723-738

• PubMed: 11910018 
• DOI: https://doi.org/10.1110/ps.4570102
• Primary Citation of Related Structures:  
  1JR7

---

Organizational Affiliation: 

Center for Synchrotron Biosciences, Albert Einstein College of Medicine, Bronx, New York 10461, USA. [e-mail]

Biological Assembly 1  

Global Symmetry: Cyclic - C4  (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: 36.03 kDa 
• Atom Count: 2,811 
• Modelled Residue Count: 306 
• Deposited Residue Count: 311 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
HYPOTHETICAL 37.4 KDA PROTEIN IN ILEY-GABD INTERGENIC REGION	A	311	Escherichia coli	Mutation(s): 0  Gene Names: GAB EC: 1.14.11.64
UniProt
Find proteins for P76621 (Escherichia coli (strain K12)) Explore P76621  Go to UniProtKB:  P76621

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
FE2	B [auth A]	FE (II) ION Fe CWYNVVGOOAEACU-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.240 
• R-Value Work: 0.193 
• Space Group: I 4 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 120.479	α = 90
b = 120.479	β = 90
c = 136.604	γ = 90

Software Package:

Software Name	Purpose
SOLVE	phasing
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2001-08-22 
Deposition Author(s): Lima, C.D., Burley, S.K., New York SGX Research Center for Structural Genomics (NYSGXRC)
• This entry supersedes: 1JFY

Revision History  

• Version 1.0: 2001-08-22
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Version format compliance
• Version 1.3: 2021-02-03
  Changes: Database references, Derived calculations, Structure summary
• Version 1.4: 2023-02-08
  Changes: Database references, Derived calculations
• Version 1.5: 2024-05-22
  Changes: Data collection