1YS6

Crystal structure of the response regulatory protein PrrA from Mycobacterium Tuberculosis

• PDB DOI: https://doi.org/10.2210/pdb1YS6/pdb

• Classification: TRANSCRIPTION REGULATOR
• Organism(s): Mycobacterium tuberculosis
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2005-02-07 Released: 2006-02-07 
• Deposition Author(s): Nowak, E., Panjikar, S., Tucker, P., Mycobacterium Tuberculosis Structural Proteomics Project (XMTB)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.77 Å
• R-Value Free: 0.247 
• R-Value Work: 0.188 
• R-Value Observed: 0.191 

Literature

Crystal structure of the response regulatory protein PrrA from Mycobacterium Tuberculosis

Nowak, E., Panjikar, S., Tucker, P.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 50.25 kDa 
• Atom Count: 3,761 
• Modelled Residue Count: 452 
• Deposited Residue Count: 466 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transcriptional regulatory protein prrA	A, B	233	Mycobacterium tuberculosis	Mutation(s): 0
UniProt
Find proteins for P9WGM1 (Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv)) Explore P9WGM1  Go to UniProtKB:  P9WGM1

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	E [auth B]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
CA	C [auth A], D [auth B]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.77 Å
• R-Value Free: 0.247 
• R-Value Work: 0.188 
• R-Value Observed: 0.191 
• Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 37.222	α = 100.29
b = 46.538	β = 101.68
c = 65.66	γ = 92.52

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2006-02-07 
Deposition Author(s): Nowak, E., Panjikar, S., Tucker, P., Mycobacterium Tuberculosis Structural Proteomics Project (XMTB)

Revision History  

• Version 1.0: 2006-02-07
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.3: 2024-03-13
  Changes: Data collection, Database references, Derived calculations, Refinement description