1VCT | pdb_00001vct

Crystal structure of putative potassium channel related protein from Pyrococcus horikoshii

• PDB DOI: https://doi.org/10.2210/pdb1VCT/pdb

• Classification: STRUCTURAL GENOMICS, UNKNOWN FUNCTION
• Organism(s): Pyrococcus horikoshii
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2004-03-12 Released: 2005-03-22 
• Deposition Author(s): Inagaki, E., Tahirov, T.H., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free: 
  0.248 (Depositor), 0.240 (DCC) 
• R-Value Work: 
  0.211 (Depositor), 0.210 (DCC) 
• R-Value Observed: 
  0.211 (Depositor) 

Literature

Crystal structure of putative potassium channel related protein from Pyrococcus horikoshii

Inagaki, E., Tahirov, T.H.

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: Dihedral - D2  (Explore in 3D)
Global Stoichiometry: Homo 4-mer - A4 

Biological assembly 2 generated by PISA,PQS (software)

Macromolecule Content 

• Total Structure Weight: 23.19 kDa 
• Atom Count: 1,836 
• Modeled Residue Count: 193 
• Deposited Residue Count: 205 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
hypothetical protein PH0236	A	205	Pyrococcus horikoshii	Mutation(s): 0
UniProt
Find proteins for O57975 (Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3)) Explore O57975  Go to UniProtKB:  O57975

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EDO	F [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N
CL	D [auth A], E [auth A]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
NA	B [auth A], C [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free:  0.248 (Depositor), 0.240 (DCC) 
• R-Value Work:  0.211 (Depositor), 0.210 (DCC) 
• R-Value Observed: 0.211 (Depositor) 

Space Group: P 4₂ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 70.748	α = 90
b = 70.748	β = 90
c = 98.024	γ = 90

Software Package:

Software Name	Purpose
CNS	refinement
BSS	data collection
SCALEPACK	data scaling
SOLVE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-03-22 
Deposition Author(s): Inagaki, E., Tahirov, T.H., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Revision History  

• Version 1.0: 2005-03-22
  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