4N0P

Crystal structure of a pilus assembly protein CpaE (CC_2943) from Caulobacter crescentus CB15 at 1.75 A resolution (PSI Community Target, Shapiro)

• PDB DOI: https://doi.org/10.2210/pdb4N0P/pdb

• Classification: SIGNALING PROTEIN
• Organism(s): Caulobacter vibrioides CB15
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2013-10-02 Released: 2013-11-27 
• Deposition Author(s): Joint Center for Structural Genomics (JCSG)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.205 
• R-Value Work: 0.181 
• R-Value Observed: 0.182 

Literature

Crystal structure of a pilus assembly protein CpaE (CC_2943) from Caulobacter crescentus CB15 at 1.75 A resolution (PSI Community Target, Shapiro)

Joint Center for Structural Genomics (JCSG)

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Biological Assembly 3  

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

Biological assembly 3 assigned by authors.

Biological Assembly 4  

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

Biological assembly 4 assigned by authors.

Biological Assembly 5  

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

Biological assembly 5 assigned by authors.

Biological Assembly 6  

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

Biological assembly 6 assigned by authors.

Biological Assembly 7  

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

Biological assembly 7 assigned by authors.

Biological Assembly 8  

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

Biological assembly 8 assigned by authors.

Macromolecule Content

• Total Structure Weight: 133.14 kDa 
• Atom Count: 8,808 
• Modelled Residue Count: 1,043 
• Deposited Residue Count: 1,208 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Pilus assembly protein CpaE	A, B, C, D, E, F, G, H	151	Caulobacter vibrioides CB15	Mutation(s): 0  Gene Names: CC_2943
UniProt
Find proteins for Q9A495 (Caulobacter vibrioides (strain ATCC 19089 / CB15)) Explore Q9A495  Go to UniProtKB:  Q9A495

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.75 Å
• R-Value Free: 0.205 
• R-Value Work: 0.181 
• R-Value Observed: 0.182 
• Space Group: P 1 2₁ 1
• Diffraction Data: https://doi.org/10.18430/M34N0P

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 65.6	α = 90
b = 112.78	β = 94.12
c = 73.88	γ = 90

Software Package:

Software Name	Purpose
MolProbity	model building
PDB_EXTRACT	data extraction
SHELX	phasing
SHARP	phasing
XSCALE	data scaling
BUSTER-TNT	refinement
XDS	data reduction
SHELXD	phasing
BUSTER	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-11-27 
Deposition Author(s): Joint Center for Structural Genomics (JCSG)

Revision History  

• Version 1.0: 2013-11-27
  Type: Initial release
  
• Version 1.1: 2017-11-15
  Changes: Refinement description
• Version 1.2: 2018-01-24
  Changes: Database references
• Version 1.3: 2023-02-01
  Changes: Database references