4EV0

Crystal Structure of Thermus thermophilus Catabolite Activator Protein

• PDB DOI: https://doi.org/10.2210/pdb4EV0/pdb

• Classification: TRANSCRIPTION ACTIVATOR
• Organism(s): Thermus thermophilus HB8
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2012-04-25 Released: 2012-06-20 
• Deposition Author(s): Hudson, B.P., Turo, K., Birktoft, J.J., Lawson, C.L.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.256 
• R-Value Work: 0.200 
• R-Value Observed: 0.203 

Starting Models: experimental

Literature

Crystal Structure of T. thermophilius Catabolite Activator Protein

Hudson, B.P., Turo, K., Birktoft, J.J., Ebright, R.H., Lawson, C.L.

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: 48.86 kDa 
• Atom Count: 3,488 
• Modelled Residue Count: 427 
• Deposited Residue Count: 432 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Transcription regulator, Crp family	A, B [auth D]	216	Thermus thermophilus HB8	Mutation(s): 0  Gene Names: crp, TTHA1437
UniProt
Find proteins for Q5SID7 (Thermus thermophilus (strain ATCC 27634 / DSM 579 / HB8)) Explore Q5SID7  Go to UniProtKB:  Q5SID7

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CMP	C [auth A], G [auth D]	ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE C10 H12 N5 O6 P IVOMOUWHDPKRLL-KQYNXXCUSA-N
SO4	D [auth A], E [auth A], H [auth D], I [auth D], J [auth D]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
MG	F [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.256 
• R-Value Work: 0.200 
• R-Value Observed: 0.203 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 46.25	α = 90
b = 94.842	β = 90
c = 121.439	γ = 90

Software Package:

Software Name	Purpose
SCALEPACK	data scaling
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
CBASS	data collection
DENZO	data reduction

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-06-20 
Deposition Author(s): Hudson, B.P., Turo, K., Birktoft, J.J., Lawson, C.L.

Revision History  

• Version 1.0: 2012-06-20
  Type: Initial release
  
• Version 1.1: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description