3CTW | pdb_00003ctw

Crystal Structure of RcdA from Caulobacter crescentus CB15

• PDB DOI: https://doi.org/10.2210/pdb3CTW/pdb

• Classification: PROTEIN BINDING
• Organism(s): Caulobacter vibrioides
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2008-04-14 Released: 2009-07-14 
• Deposition Author(s): Wilbur, J.D., Taylor, J.A., Kathleen, R.R.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free: 
  0.312 (Depositor), 0.316 (DCC) 
• R-Value Work: 
  0.274 (Depositor), 0.282 (DCC) 
• R-Value Observed: 
  0.276 (Depositor) 

Literature

Crystal Structure of RcdA yields insights into efficient CtrA proteolysis

Wilbur, J.D., Taylor, J.A., Kathleen, R.R.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content 

• Total Structure Weight: 38.61 kDa 
• Atom Count: 1,904 
• Modeled Residue Count: 239 
• Deposited Residue Count: 338 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
RcdA	A [auth B], B [auth D]	169	Caulobacter vibrioides	Mutation(s): 0
UniProt
Find proteins for Q9A3A9 (Caulobacter vibrioides (strain ATCC 19089 / CIP 103742 / CB 15)) Explore Q9A3A9  Go to UniProtKB:  Q9A3A9

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EDO	C [auth B], D [auth B], E [auth B], F [auth B], G [auth B], H [auth D], I [auth D], J [auth D]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.90 Å
• R-Value Free:  0.312 (Depositor), 0.316 (DCC) 
• R-Value Work:  0.274 (Depositor), 0.282 (DCC) 
• R-Value Observed: 0.276 (Depositor) 

Space Group: P 4₃

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 75.458	α = 90
b = 75.458	β = 90
c = 81.419	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SHELX	phasing
SHELX	model building
REFMAC	refinement
PDB_EXTRACT	data extraction
SHELXD	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-07-14 
Deposition Author(s): Wilbur, J.D., Taylor, J.A., Kathleen, R.R.

Revision History  

• Version 1.0: 2009-07-14
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2017-10-25
  Changes: Refinement description
• Version 1.3: 2018-06-06
  Changes: Data collection, Refinement description, Source and taxonomy
• Version 1.4: 2024-02-21
  Changes: Data collection, Database references, Derived calculations