Biological Assembly 1  

 3D View: Structure | Electron Density

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

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

Macromolecule Content

• Total Structure Weight: 89.45 kDa 
• Atom Count: 6586 
• Modelled Residue Count: 804 
• Deposited Residue Count: 804 
• Unique protein chains: 1

1KP0

The Crystal Structure Analysis of Creatine Amidinohydrolase from Actinobacillus

• DOI: 10.2210/pdb1KP0/pdb

• Classification: HYDROLASE
• Organism(s): Actinobacillus
• Mutation(s): No 


• Deposited: 2001-12-26 Released: 2002-07-31 
• Deposition Author(s): Padmanabhan, B., Paehler, A., Horikoshi, M.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 0.222 
• R-Value Work: 0.188 
• R-Value Observed: 0.191 

Literature

Structure of creatine amidinohydrolase from Actinobacillus.

Padmanabhan, B., Paehler, A., Horikoshi, M.

(2002) Acta Crystallogr D Biol Crystallogr 58: 1322-1328

• PubMed: 12136144 
• DOI: 10.1107/s0907444902010156
• Primary Citation of Related Structures:  
  1KP0


• PubMed Abstract: 
  

The crystal structure of Actinobacillus creatine amidinohydrolase has been solved by molecular replacement. The amino-acid sequence has been derived from the crystal structure. Crystals belong to space group I222, with unit-cell parameters a = 111.26 (3), b = 113.62 (4), c = 191.65 (2) A, and contain two molecules in an asymmetric unit. The structure was refined to an R factor of 18.8% at 2.7 A resolution. The crystal structure contains a dimer of 402 residues and 118 water molecules. The protein structure is bilobal, consisting of a small N-terminal domain and a large C-terminal domain. The C-terminal domain has a pitta-bread fold, similar to that found in Pseudomonas putida creatinase, proline aminopeptidases and methionine aminopeptidase. Comparison with complex crystal structures of P. putida creatinase reveals that the enzyme activity of Actinobacillus creatinase might be similar to that of P. putida creatinase.

---

Organizational Affiliation: 

Horikoshi Gene Selector Project, Exploratory Research for Advanced Technology (ERATO), Japan Science and Technology Corporation (JST), 5-9-6 Tokodai, Tsukuba, Ibaraki 300-2635, Japan.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
CREATINE AMIDINOHYDROLASE	A, B	402	Actinobacillus	Mutation(s): 0  EC: 3.5.3.3
Find proteins for Q7SIB5 (Actinobacillus) Explore Q7SIB5  Go to UniProtKB:  Q7SIB5

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.70 Å
• R-Value Free: 0.222 
• R-Value Work: 0.188 
• R-Value Observed: 0.191 
• Space Group: I 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 111.263	α = 90
b = 113.624	β = 90
c = 191.649	γ = 90

Software Package:

Software Name	Purpose
AMoRE	phasing
CNS	refinement
DPS	data reduction
MOSFLM	data reduction

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2001-12-26 
• Released Date: 2002-07-31 
Deposition Author(s): Padmanabhan, B., Paehler, A., Horikoshi, M.

Revision History  

• Version 1.0: 2002-07-31
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance