8AYG

Crystal structure of an intramolecular i-motif at the insulin-linked polymorphic region (ILPR)

• PDB DOI: https://doi.org/10.2210/pdb8AYG/pdb
• NAKB: 8AYG

• Classification: DNA
• Organism(s): Homo sapiens
• Mutation(s): No 


• Deposited: 2022-09-02 Released: 2023-09-13 
• Deposition Author(s): Parkinson, G.N., Alexandrou, E., Waller, Z.A.E., El-Omari, K.
• Funding Organization(s): Other private

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.25 Å
• R-Value Free: 0.295 
• R-Value Work: 0.249 
• R-Value Observed: 0.251 

Literature

Crystal structure of an intramolecular i-motif at the insulin-linked polymorphic region (ILPR)

Parkinson, G.N., Alexandrou, E., Waller, Z.A.E., El-Omari, K.

To be published.

Biological Assembly 1  

Biological assembly 1 assigned by authors.

Biological Assembly 2  

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 18.36 kDa 
• Atom Count: 1,234 
• Modelled Residue Count: 62 
• Deposited Residue Count: 62 
• Unique nucleic acid chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Length	Organism	Image
Insulin-linked polymorphic region, ILPR DNA (31-MER)	A, B	31	Homo sapiens

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.25 Å
• R-Value Free: 0.295 
• R-Value Work: 0.249 
• R-Value Observed: 0.251 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 47.415	α = 90
b = 51.513	β = 90
c = 69.847	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
SHELX	phasing
PDB_EXTRACT	data extraction
xia2.multiplex	data reduction

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-09-13 
Deposition Author(s): Parkinson, G.N., Alexandrou, E., Waller, Z.A.E., El-Omari, K.

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Funding Organization	Location	Grant Number
Other private	United Kingdom	grand code: 565921, award:177365

Revision History  

• Version 1.0: 2023-09-13
  Type: Initial release