5W5I

Human IFIT1 dimer with PPP-AAAA

• PDB DOI: https://doi.org/10.2210/pdb5W5I/pdb
• NAKB: 5W5I

• Classification: RNA binding protein/RNA
• Organism(s): Homo sapiens, unidentified
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2017-06-15 Released: 2017-06-28 
• Deposition Author(s): Abbas, Y.M., Martinez-Montero, S., Damha, M.J., Nagar, B.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.65 Å
• R-Value Free: 0.242 
• R-Value Work: 0.219 
• R-Value Observed: 0.220 

Literature

Structural insights into IFIT1 dimerization and conformational changes associated with mRNA binding

Abbas, Y.M., Martinez-Montero, S., Cencic, R., Pelletier, J., Damha, M.J., Pawelek, P.D., Nagar, B.

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.

Biological Assembly Evidence: gel filtration, light scattering, equilibrium centrifugation

Biological Assembly 2  

Global Symmetry: Dihedral - D4  (Explore in 3D)
Global Stoichiometry: Homo 8-mer - A8 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 113.93 kDa 
• Atom Count: 7,301 
• Modelled Residue Count: 874 
• Deposited Residue Count: 966 
• Unique protein chains: 1
• Unique nucleic acid chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Interferon-induced protein with tetratricopeptide repeats 1	A, C	479	Homo sapiens	Mutation(s): 0  Gene Names: IFIT1, G10P1, IFI56, IFNAI1, ISG56
UniProt & NIH Common Fund Data Resources
Find proteins for P09914 (Homo sapiens) Explore P09914  Go to UniProtKB:  P09914
PHAROS:  P09914 GTEx:  ENSG00000185745

Entity ID: 2
Molecule	Chains	Length	Organism	Image
RNA (5'-D(*(ATP))-R(P*AP*AP*A)-3')	B, D	4	unidentified

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.65 Å
• R-Value Free: 0.242 
• R-Value Work: 0.219 
• R-Value Observed: 0.220 
• Space Group: I 4

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 184.789	α = 90
b = 184.789	β = 90
c = 88.864	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data scaling
PHASER	phasing
Coot	model building

Structure Validation

Entry History 

Deposition Data

• Released Date: 2017-06-28 
Deposition Author(s): Abbas, Y.M., Martinez-Montero, S., Damha, M.J., Nagar, B.

Revision History  

• Version 1.0: 2017-06-28
  Type: Initial release
  
• Version 1.1: 2024-03-13
  Changes: Data collection, Database references