1TWL

Inorganic pyrophosphatase from Pyrococcus furiosus Pfu-264096-001

• PDB DOI: https://doi.org/10.2210/pdb1TWL/pdb

• Classification: HYDROLASE
• Organism(s): Pyrococcus furiosus
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2004-07-01 Released: 2004-11-23 
• Deposition Author(s): Zhou, W., Tempel, W., Liu, Z.-J., Chen, L., Clancy Kelley, L.-L., Dillard, B.D., Hopkins, R.C., Arendall III, W.B., Rose, J.P., Eneh, J.C., Hopkins, R.C., Jenney Jr., F.E., Lee, H.S., Li, T., Poole II, F.L., Shah, C., Sugar, F.J., Adams, M.W.W., Richardson, J.S., Richardson, D.C., Wang, B.-C., Southeast Collaboratory for Structural Genomics (SECSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 
  0.257 (Depositor), 0.260 (DCC) 
• R-Value Work: 
  0.194 (Depositor), 0.200 (DCC) 
• R-Value Observed: 
  0.197 (Depositor) 

Starting Model: experimental

Literature

Inorganic pyrophosphatase from Pyrococcus furiosus Pfu-264096-001

Zhou, W., Tempel, W., Liu, Z.-J., Chen, L., Clancy Kelley, L.-L., Dillard, B.D., Hopkins, R.C., Arendall III, W.B., Rose, J.P., ENEH, J.C., HOPKINS, R.C., JENNEY JR., F.E., LEE, H.S., LI, T., POOLE II, F.L., SHAH, C., SUGAR, F.J., ADAMS, M.W.W., Richardson, J.S., Richardson, D.C., Wang, B.-C., Southeast Collaboratory for Structural Genomics

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 - D3  (Explore in 3D)
Global Stoichiometry: Homo 6-mer - A6 

Biological assembly 2 generated by PISA,PQS (software)

Macromolecule Content

• Total Structure Weight: 21.86 kDa 
• Atom Count: 1,410 
• Modelled Residue Count: 172 
• Deposited Residue Count: 186 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Inorganic pyrophosphatase	A	186	Pyrococcus furiosus	Mutation(s): 0  Gene Names: PPA, PF0257 EC: 3.6.1.1
UniProt
Find proteins for Q8U438 (Pyrococcus furiosus (strain ATCC 43587 / DSM 3638 / JCM 8422 / Vc1)) Explore Q8U438  Go to UniProtKB:  Q8U438

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free:  0.257 (Depositor), 0.260 (DCC) 
• R-Value Work:  0.194 (Depositor), 0.200 (DCC) 
• R-Value Observed: 0.197 (Depositor) 

Space Group: H 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 113.434	α = 90
b = 113.434	β = 90
c = 73.313	γ = 120

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
EPMR	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345	data collection

Structure Validation

Entry History 

Deposition Data

• Released Date: 2004-11-23 
Deposition Author(s): Zhou, W., Tempel, W., Liu, Z.-J., Chen, L., Clancy Kelley, L.-L., Dillard, B.D., Hopkins, R.C., Arendall III, W.B., Rose, J.P., Eneh, J.C., Hopkins, R.C., Jenney Jr., F.E., Lee, H.S., Li, T., Poole II, F.L., Shah, C., Sugar, F.J., Adams, M.W.W., Richardson, J.S., Richardson, D.C., Wang, B.-C., Southeast Collaboratory for Structural Genomics (SECSG)

Revision History  

• Version 1.0: 2004-11-23
  Type: Initial release
  
• Version 1.1: 2008-04-30
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Derived calculations, Version format compliance
• Version 1.3: 2017-10-11
  Changes: Refinement description
• Version 1.4: 2023-08-23
  Changes: Data collection, Database references, Refinement description