4BQQ | pdb_00004bqq

Protein crystal structure of the N-terminal and recombinase domains of the Streptomyces temperate phage serine recombinase, fC31 integrase.

• PDB DOI: https://doi.org/10.2210/pdb4BQQ/pdb

• Classification: HYDROLASE
• Organism(s): Lomovskayavirus C31
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2013-05-31 Released: 2013-06-12 
• Deposition Author(s): McMahon, S.A., McEwan, A.R., Smith, M.C.M., Naismith, J.H.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.15 Å
• R-Value Free: 
  0.244 (Depositor), 0.245 (DCC) 
• R-Value Work: 
  0.218 (Depositor), 0.221 (DCC) 
• R-Value Observed: 
  0.220 (Depositor) 

Literature

Protein Crystal Structure of the N-Terminal and Recombinase Domains of the Streptomyces Temperate Phage Serine Recombinase, Fc31 Integrase.

McMahon, S.A., McEwan, A.R., Smith, M.C.M., Naismith, J.H.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content 

• Total Structure Weight: 88.82 kDa 
• Atom Count: 5,480 
• Modeled Residue Count: 671 
• Deposited Residue Count: 792 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
INTEGRASE	A, B	396	Lomovskayavirus C31	Mutation(s): 0
UniProt
Find proteins for Q9T221 (Streptomyces phage phiC31) Explore Q9T221  Go to UniProtKB:  Q9T221

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.15 Å
• R-Value Free:  0.244 (Depositor), 0.245 (DCC) 
• R-Value Work:  0.218 (Depositor), 0.221 (DCC) 
• R-Value Observed: 0.220 (Depositor) 

Space Group: P 4₃

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 96.04	α = 90
b = 96.04	β = 90
c = 117.23	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
xia2	data reduction
xia2	data scaling
SHELX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-06-12 
Deposition Author(s): McMahon, S.A., McEwan, A.R., Smith, M.C.M., Naismith, J.H.

Revision History  

• Version 1.0: 2013-06-12
  Type: Initial release
  
• Version 1.1: 2018-03-28
  Changes: Database references
• Version 1.2: 2024-05-08
  Changes: Data collection, Database references, Other, Refinement description