6PHQ

Crystal structure of glucagon analog fully composed of D-amino acids with 4-bromo-D-phenylalanine substitutions at position 6 and 22 in space group I41 at 1.1 A resolution

• PDB DOI: https://doi.org/10.2210/pdb6PHQ/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

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.32 Å
• R-Value Free: 0.247 
• R-Value Work: 0.199 
• R-Value Observed: 0.201 

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: 3.29 kDa 
• Atom Count: 263 
• Modelled Residue Count: 26 
• Deposited Residue Count: 26 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
D-glucagon D-BrPhe 6,22	A	26	Homo sapiens	Mutation(s): 0

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.32 Å
• R-Value Free: 0.247 
• R-Value Work: 0.199 
• R-Value Observed: 0.201 
• Space Group: I 4₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 41.77	α = 90
b = 41.77	β = 90
c = 30.439	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.

---

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 2.0: 2023-11-15
  Changes: Advisory, Atomic model, Data collection, Database references, Derived calculations