1PQW | pdb_00001pqw

Putative enoyl reductase domain of polyketide synthase

• PDB DOI: https://doi.org/10.2210/pdb1PQW/pdb

• Classification: OXIDOREDUCTASE
• Organism(s): Mycobacterium tuberculosis CDC1551
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2003-06-19 Released: 2003-07-08 
• Deposition Author(s): Gogos, A., Mu, H., Shapiro, L., Burley, S.K., New York SGX Research Center for Structural Genomics (NYSGXRC)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.66 Å
• R-Value Free: 
  0.228 (Depositor), 0.240 (DCC) 
• R-Value Work: 
  0.197 (Depositor), 0.200 (DCC) 

Literature

Putative enoyl reductase domain of polyketide synthase

Gogos, A., Mu, H., Shapiro, 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)

Macromolecule Content 

• Total Structure Weight: 42.01 kDa 
• Atom Count: 2,775 
• Modeled Residue Count: 358 
• Deposited Residue Count: 396 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
polyketide synthase	A, B	198	Mycobacterium tuberculosis CDC1551	Mutation(s): 0  EC: 2.3.1.292
UniProt
Find proteins for P96202 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore P96202  Go to UniProtKB:  P96202

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CA	C [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.66 Å
• R-Value Free:  0.228 (Depositor), 0.240 (DCC) 
• R-Value Work:  0.197 (Depositor), 0.200 (DCC) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 69.83	α = 90
b = 78.391	β = 90
c = 81.604	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-07-08 
Deposition Author(s): Gogos, A., Mu, H., Shapiro, L., Burley, S.K., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2003-07-08
  Type: Initial release
  
• Version 1.1: 2008-04-29
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Source and taxonomy, Version format compliance
• Version 1.3: 2021-02-03
  Changes: Database references, Derived calculations, Structure summary
• Version 1.4: 2024-02-14
  Changes: Data collection, Database references