6PHO | pdb_00006pho

Crystal structure of glucagon analog with selenomethionine substitutions at position 1 and 27 in space group I41 at 1.42 A resolution

• PDB DOI: https://doi.org/10.2210/pdb6PHO/pdb

• Classification: HORMONE
• Organism(s): Homo sapiens
• Mutation(s): Yes 


• 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: 1.42 Å
• R-Value Free: 
  0.189 (Depositor), 0.190 (DCC) 
• R-Value Work: 
  0.160 (Depositor), 0.160 (DCC) 
• R-Value Observed: 
  0.161 (Depositor) 

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  

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

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

Biological Assembly Evidence: mass spectrometry

Macromolecule Content 

• Total Structure Weight: 3.57 kDa 
• Atom Count: 270 
• Modeled Residue Count: 26 
• Deposited Residue Count: 29 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Glucagon	A	29	Homo sapiens	Mutation(s): 1
UniProt & NIH Common Fund Data Resources
Find proteins for P01275 (Homo sapiens) Explore P01275  Go to UniProtKB:  P01275
PHAROS:  P01275 GTEx:  ENSG00000115263

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.42 Å
• R-Value Free:  0.189 (Depositor), 0.190 (DCC) 
• R-Value Work:  0.160 (Depositor), 0.160 (DCC) 
• R-Value Observed: 0.161 (Depositor) 

Space Group: I 4₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 41.696	α = 90
b = 41.696	β = 90
c = 29.648	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: 2024-10-09
  Changes: Data collection, Database references, Structure summary