4GCN

N-terminal domain of stress-induced protein-1 (STI-1) from C.elegans

• PDB DOI: https://doi.org/10.2210/pdb4GCN/pdb

• Classification: PROTEIN BINDING
• Organism(s): Caenorhabditis elegans
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2012-07-30 Released: 2012-08-15 
• Deposition Author(s): Osipiuk, J., Bigelow, L., Gu, M., Van Oosten-Hawle, P., Morimoto, R.I., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free: 
  0.233 (Depositor), 0.240 (DCC) 
• R-Value Work: 
  0.178 (Depositor), 0.190 (DCC) 
• R-Value Observed: 
  0.180 (Depositor) 

Literature

N-terminal domain of stress-induced protein-1 (STI-1) from C.elegans

Osipiuk, J., Bigelow, L., Gu, M., Van Oosten-Hawle, P., Morimoto, R.I., Joachimiak, A.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 29.34 kDa 
• Atom Count: 2,353 
• Modelled Residue Count: 254 
• Deposited Residue Count: 254 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Protein STI-1	A, B	127	Caenorhabditis elegans	Mutation(s): 0  Gene Names: CELE_R09E12.3, sti-1
UniProt
Find proteins for O16259 (Caenorhabditis elegans) Explore O16259  Go to UniProtKB:  O16259

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PGE	C [auth B]	TRIETHYLENE GLYCOL C6 H14 O4 ZIBGPFATKBEMQZ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.85 Å
• R-Value Free:  0.233 (Depositor), 0.240 (DCC) 
• R-Value Work:  0.178 (Depositor), 0.190 (DCC) 
• R-Value Observed: 0.180 (Depositor) 

Diffraction Data: https://doi.org/10.18430/M34GCN

Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 37.212	α = 90
b = 64.199	β = 90
c = 124.933	γ = 90

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
SBC-Collect	data collection
HKL-3000	data reduction
HKL-3000	data scaling
SHELXD	phasing
MLPHARE	phasing
DM	phasing
SOLVE	phasing
RESOLVE	phasing
HKL-3000	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-08-15 
Deposition Author(s): Osipiuk, J., Bigelow, L., Gu, M., Van Oosten-Hawle, P., Morimoto, R.I., Joachimiak, A., Midwest Center for Structural Genomics (MCSG)

Revision History  

• Version 1.0: 2012-08-15
  Type: Initial release
  
• Version 1.1: 2017-11-15
  Changes: Refinement description
• Version 1.2: 2024-02-28
  Changes: Data collection, Database references, Derived calculations