7JVT

Crystal structure of a lambda-186 hybrid repressor

• PDB DOI: https://doi.org/10.2210/pdb7JVT/pdb
• NAKB: 7JVT

• Classification: GENE REGULATION/DNA
• Organism(s): Lambdavirus lambda, Eganvirus ev186
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2020-08-23 Released: 2021-09-08 
• Deposition Author(s): Truong, J.Q., Bruning, J.B., Shearwin, K.E.
• Funding Organization(s): Australian Research Council (ARC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.16 Å
• R-Value Free: 0.281 
• R-Value Work: 0.228 
• R-Value Observed: 0.234 

Starting Models: experimental

Literature

Crystal structure of a hybrid lambda-186 repressor

Truong, J.Q., Pukala, T., Bruning, J.B., Shearwin, K.S.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

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

Biological Assembly Evidence: mass spectrometry, assay for oligomerization

Macromolecule Content

• Total Structure Weight: 59.62 kDa 
• Atom Count: 3,882 
• Modelled Residue Count: 435 
• Deposited Residue Count: 468 
• Unique protein chains: 1
• Unique nucleic acid chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Repressor protein CI	A [auth C], B [auth D]	214	Lambdavirus lambda, Eganvirus ev186 This entity is chimeric	Mutation(s): 0  Gene Names: cI, lambdap88, CI
UniProt
Find proteins for P08707 (Escherichia phage 186) Explore P08707  Go to UniProtKB:  P08707
Find proteins for P03034 (Escherichia phage lambda) Explore P03034  Go to UniProtKB:  P03034
UniProt Groups	P03034P08707

Entity ID: 2
Molecule	Chains	Length	Organism	Image
OL1 bottom	C [auth E]	20	Lambdavirus lambda

Entity ID: 3
Molecule	Chains	Length	Organism	Image
OL1 top	D [auth F]	20	Lambdavirus lambda

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.16 Å
• R-Value Free: 0.281 
• R-Value Work: 0.228 
• R-Value Observed: 0.234 
• Space Group: H 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 177.338	α = 90
b = 177.338	β = 90
c = 108.607	γ = 120

Software Package:

Software Name	Purpose
Blu-Ice	data collection
XDS	data reduction
Aimless	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2021-09-08 
Deposition Author(s): Truong, J.Q., Bruning, J.B., Shearwin, K.E.

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Funding Organization	Location	Grant Number
Australian Research Council (ARC)	Australia	DP150103009
Australian Research Council (ARC)	Australia	DP160101450

Revision History  

• Version 1.0: 2021-09-08
  Type: Initial release
  
• Version 1.1: 2023-10-18
  Changes: Data collection, Refinement description