2IT1

Structure of PH0203 protein from Pyrococcus horikoshii

• PDB DOI: https://doi.org/10.2210/pdb2IT1/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Pyrococcus horikoshii
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2006-10-18 Released: 2007-10-30 
• Deposition Author(s): Lokanath, N.K., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.94 Å
• R-Value Free: 0.250 
• R-Value Work: 0.210 
• R-Value Observed: 0.210 

Literature

Structure of PH0203 protein from Pyrococcus horikoshii

Lokanath, N.K., Kunishima, N.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 81.83 kDa 
• Atom Count: 6,134 
• Modelled Residue Count: 723 
• Deposited Residue Count: 724 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
362aa long hypothetical maltose/maltodextrin transport ATP-binding protein	A, B	362	Pyrococcus horikoshii	Mutation(s): 0
UniProt
Find proteins for O57942 (Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3)) Explore O57942  Go to UniProtKB:  O57942

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.94 Å
• R-Value Free: 0.250 
• R-Value Work: 0.210 
• R-Value Observed: 0.210 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 49.23	α = 90
b = 85.319	β = 97.16
c = 82.598	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
HKL-2000	data reduction
SCALEPACK	data scaling
SOLVE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2007-10-30 
Deposition Author(s): Lokanath, N.K., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Revision History  

• Version 1.0: 2007-10-30
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2024-03-13
  Changes: Data collection, Database references, Derived calculations