1VCE | pdb_00001vce

Crystal structure of project ID PH0725 from Pyrococcus horikoshii OT3

• PDB DOI: https://doi.org/10.2210/pdb1VCE/pdb

• Classification: TRANSFERASE
• Organism(s): Pyrococcus horikoshii OT3
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2004-03-07 Released: 2005-03-29 
• Deposition Author(s): Kunishima, N., Shimizu, K., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free: 
  0.253 (Depositor), 0.215 (DCC) 
• R-Value Work: 
  0.218 (Depositor), 0.213 (DCC) 
• R-Value Observed: 
  0.218 (Depositor) 

Literature

Crystal structure of diphthine synthase from Pyrococcus horikoshii OT3

Kunishima, N., Shimizu, K.

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: 60.17 kDa 
• Atom Count: 4,676 
• Modeled Residue Count: 530 
• Deposited Residue Count: 530 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
diphthine synthase	A, B	265	Pyrococcus horikoshii OT3	Mutation(s): 6  Gene Names: PH0725 EC: 2.1.1.98
UniProt
Find proteins for O58456 (Pyrococcus horikoshii (strain ATCC 700860 / DSM 12428 / JCM 9974 / NBRC 100139 / OT-3)) Explore O58456  Go to UniProtKB:  O58456

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SAH	C [auth A]	S-ADENOSYL-L-HOMOCYSTEINE C14 H20 N6 O5 S ZJUKTBDSGOFHSH-WFMPWKQPSA-N

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.10 Å
• R-Value Free:  0.253 (Depositor), 0.215 (DCC) 
• R-Value Work:  0.218 (Depositor), 0.213 (DCC) 
• R-Value Observed: 0.218 (Depositor) 

Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 104.721	α = 90
b = 104.721	β = 90
c = 138.672	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2005-03-29 
Deposition Author(s): Kunishima, N., Shimizu, K., RIKEN Structural Genomics/Proteomics Initiative (RSGI)

Revision History  

• Version 1.0: 2005-03-29
  Type: Initial release
  
• Version 1.1: 2008-04-27
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Source and taxonomy, Version format compliance
• Version 1.3: 2011-11-16
  Changes: Atomic model
• Version 1.4: 2023-12-27
  Changes: Data collection, Database references, Derived calculations
• Version 1.5: 2024-11-20
  Changes: Data collection, Structure summary