6PHN

Crystal structure of glucagon analog composed of D-amino acids with mono-stereoinversion at position 23 (L-Val23) in space group I41 at 1.33 A resolution

• PDB DOI: https://doi.org/10.2210/pdb6PHN/pdb

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


• Deposited: 2019-06-25 Released: 2020-07-01 
• Deposition Author(s): Mroz, P.A., Gonzalez-Gutierrez, G., DiMarchi, R.D.
• Funding Organization(s): Other government

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.33 Å
• R-Value Free: 0.190 
• R-Value Work: 0.161 
• R-Value Observed: 0.163 

Starting Model: experimental

Literature

High resolution X-ray structure of glucagon and selected stereo-inversed analogs in novel crystallographic packing arrangement.

Mroz, P.A., Gonzalez-Gutierrez, G., DiMarchi, R.D.

To be published.

Biological Assembly 1  

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

Biological Assembly Evidence: mass spectrometry

Macromolecule Content

• Total Structure Weight: 3.51 kDa 
• Atom Count: 293 
• Modelled Residue Count: 25 
• Deposited Residue Count: 29 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
D-glucagon L-Val23	A	29	Homo sapiens	Mutation(s): 0

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NA	B [auth A]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.33 Å
• R-Value Free: 0.190 
• R-Value Work: 0.161 
• R-Value Observed: 0.163 
• Space Group: I 4₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 39.956	α = 90
b = 39.956	β = 90
c = 38.554	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2020-07-01 
Deposition Author(s): Mroz, P.A., Gonzalez-Gutierrez, G., DiMarchi, R.D.

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Funding Organization	Location	Grant Number
Other government	United States	Indiana University Internal grant

Revision History  

• Version 1.0: 2020-07-01
  Type: Initial release
  
• Version 1.1: 2023-10-11
  Changes: Data collection, Database references, Refinement description
• Version 1.2: 2023-11-15
  Changes: Data collection
• Version 1.3: 2024-10-30
  Changes: Structure summary