4HH6 | pdb_00004hh6

Peptide from EAEC T6SS Sci1 SciI protein

• PDB DOI: https://doi.org/10.2210/pdb4HH6/pdb

• Classification: PROTEIN BINDING
• Organism(s): Escherichia coli 042
• Expression System: Escherichia coli BL21
• Mutation(s): No 


• Deposited: 2012-10-09 Released: 2013-11-20 
• Deposition Author(s): Douzi, B., Spinelli, S., Legrand, P., Lensi, V., Brunet, Y.R., Cascales, E., Cambillau, C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 
  0.263 (Depositor), 0.274 (DCC) 
• R-Value Work: 
  0.242 (Depositor), 0.250 (DCC) 
• R-Value Observed: 
  0.244 (Depositor) 

Starting Model: experimental

Literature

Role and specificity of ClpV ATPases in T6SS secretion.

Douzi, B., Spinelli, S., Legrand, P., Lensi, V., Brunet, Y.R., Cascales, E., Cambillau, C.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

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

Macromolecule Content 

• Total Structure Weight: 20.59 kDa 
• Atom Count: 1,323 
• Modeled Residue Count: 171 
• Deposited Residue Count: 181 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Putative type VI secretion protein	A	163	Escherichia coli 042	Mutation(s): 0  Gene Names: ClpV1 from Sci1 T6SS, EC042_4530
UniProt
Find proteins for D3GUW1 (Escherichia coli O44:H18 (strain 042 / EAEC)) Explore D3GUW1  Go to UniProtKB:  D3GUW1

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Peptide from EAEC T6SS Sci1 SciI protein	B [auth Z]	18	N/A	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free:  0.263 (Depositor), 0.274 (DCC) 
• R-Value Work:  0.242 (Depositor), 0.250 (DCC) 
• R-Value Observed: 0.244 (Depositor) 

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 40.92	α = 90
b = 46.85	β = 90
c = 75.53	γ = 90

Software Package:

Software Name	Purpose
MOLREP	phasing
BUSTER	refinement
XDS	data reduction
SCALA	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-11-20 
Deposition Author(s): Douzi, B., Spinelli, S., Legrand, P., Lensi, V., Brunet, Y.R., Cascales, E., Cambillau, C.

Revision History  

• Version 1.0: 2013-11-20
  Type: Initial release
  
• Version 1.1: 2014-12-03
  Changes: Structure summary
• Version 1.2: 2017-11-15
  Changes: Refinement description
• Version 1.3: 2023-09-20
  Changes: Data collection, Database references, Refinement description