1IXL

Crystal structure of uncharacterized protein PH1136 from Pyrococcus horikoshii

• PDB DOI: https://doi.org/10.2210/pdb1IXL/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Pyrococcus horikoshii
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2002-06-27 Released: 2003-09-09 
• Deposition Author(s): Tajika, Y., Sakai, N., Tanaka, Y., Yao, M., Watanabe, N., Tanaka, I.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.94 Å
• R-Value Free: 0.239 
• R-Value Work: 0.199 

Literature

Crystal structure of conserved protein PH1136 from Pyrococcus horikoshii.

Tajika, Y., Sakai, N., Tanaka, Y., Yao, M., Watanabe, N., Tanaka, I.

(2004) Proteins 55: 210-213

• PubMed: 14997554 
• DOI: https://doi.org/10.1002/prot.10644
• Primary Citation of Related Structures:  
  1IXL

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Organizational Affiliation: 

Division of Biological Sciences, Graduate School of Science, Hokkaido University, Sapporo, Japan.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly 2  

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

Biological assembly 2 generated by PISA,PQS (software)

Macromolecule Content

• Total Structure Weight: 14.89 kDa 
• Atom Count: 1,116 
• Modelled Residue Count: 130 
• Deposited Residue Count: 131 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
hypothetical protein PH1136	A	131	Pyrococcus horikoshii	Mutation(s): 3
UniProt
Find proteins for O58863 (Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3)) Explore O58863  Go to UniProtKB:  O58863

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.94 Å
• R-Value Free: 0.239 
• R-Value Work: 0.199 
• Space Group: P 3₁ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 57.5	α = 90
b = 57.5	β = 90
c = 79.5	γ = 120

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SOLVE	phasing
SHARP	phasing
WARP	model building
CNS	refinement
ARP/wARP	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-09-09 
Deposition Author(s): Tajika, Y., Sakai, N., Tanaka, Y., Yao, M., Watanabe, N., Tanaka, I.

Revision History  

• Version 1.0: 2003-09-09
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Version format compliance
• Version 1.3: 2023-12-27
  Changes: Data collection, Database references, Derived calculations