2QSR

Crystal structure of C-terminal domain of transcription-repair coupling factor

• PDB DOI: https://doi.org/10.2210/pdb2QSR/pdb

• Classification: TRANSCRIPTION
• Organism(s): Streptococcus pneumoniae R6
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2007-07-31 Released: 2007-09-11 
• Deposition Author(s): Ramagopal, U.A., Toro, R., Gilmore, M., Bain, K., Iizuka, M., Wasserman, S., Rodgers, L., Sauder, J.M., Burley, S.K., Almo, S.C., New York SGX Research Center for Structural Genomics (NYSGXRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.10 Å
• R-Value Free: 0.243 
• R-Value Work: 0.184 
• R-Value Observed: 0.187 

Literature

Structure of C-terminal domain of transcription-repair coupling factor.

Ramagopal, U.A., Toro, R., Gilmore, M., Bain, K., Iizuka, M., Wasserman, S., Rodgers, L., Sauder, J.M., Burley, S.K., Almo, S.C.

To be published.

Biological Assembly 1  

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

Biological assembly 1 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 20.51 kDa 
• Atom Count: 1,329 
• Modelled Residue Count: 161 
• Deposited Residue Count: 173 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transcription-repair coupling factor	A	173	Streptococcus pneumoniae R6	Mutation(s): 0  Gene Names: mfd, spr0006
UniProt
Find proteins for Q8DRQ1 (Streptococcus pneumoniae (strain ATCC BAA-255 / R6)) Explore Q8DRQ1  Go to UniProtKB:  Q8DRQ1

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.10 Å
• R-Value Free: 0.243 
• R-Value Work: 0.184 
• R-Value Observed: 0.187 
• Space Group: P 6₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 84.891	α = 90
b = 84.891	β = 90
c = 122.021	γ = 120

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345dtb	data collection
HKL-2000	data reduction
SHELXD	phasing
SHELXE	model building
RESOLVE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-09-11 
Deposition Author(s): Ramagopal, U.A., Toro, R., Gilmore, M., Bain, K., Iizuka, M., Wasserman, S., Rodgers, L., Sauder, J.M., Burley, S.K., Almo, S.C., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2007-09-11
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Source and taxonomy, Version format compliance
• Version 1.2: 2017-10-25
  Changes: Refinement description
• Version 1.3: 2018-11-14
  Changes: Data collection, Structure summary
• Version 1.4: 2021-02-03
  Changes: Database references, Derived calculations, Structure summary