4IYF | pdb_00004iyf

Insulin glargine crystal structure 2

• PDB DOI: https://doi.org/10.2210/pdb4IYF/pdb

• Classification: HORMONE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2013-01-28 Released: 2014-02-12 
• Deposition Author(s): Barba de la Rosa, A.P., Lara-Gonzalez, S., Montero-Moran, G.M., Escobedo-Moratilla, A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 
  0.242 (Depositor), 0.260 (DCC) 
• R-Value Work: 
  0.213 (Depositor), 0.220 (DCC) 
• R-Value Observed: 
  0.215 (Depositor) 

Starting Model: experimental

Literature

Physicochemical and structural analysis of a biosimilar insulin glargine formulation and its reference

Barba de la Rosa, A.P., Lara-Gonzalez, S., Montero-Moran, G.M., Escobedo-Moratilla, A., Perez-Urizar, J.T.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 

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

Macromolecule Content 

• Total Structure Weight: 5.66 kDa 
• Atom Count: 392 
• Modeled Residue Count: 50 
• Deposited Residue Count: 50 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Insulin A chain	A	21	Homo sapiens	Mutation(s): 0  Gene Names: INS
UniProt & NIH Common Fund Data Resources
Find proteins for P01308 (Homo sapiens) Explore P01308  Go to UniProtKB:  P01308
PHAROS:  P01308 GTEx:  ENSG00000254647

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Insulin B chain	B	29	Homo sapiens	Mutation(s): 0  Gene Names: INS
UniProt & NIH Common Fund Data Resources
Find proteins for P01308 (Homo sapiens) Explore P01308  Go to UniProtKB:  P01308
PHAROS:  P01308 GTEx:  ENSG00000254647

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free:  0.242 (Depositor), 0.260 (DCC) 
• R-Value Work:  0.213 (Depositor), 0.220 (DCC) 
• R-Value Observed: 0.215 (Depositor) 

Space Group: I 2₁ 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 77.3	α = 90
b = 77.3	β = 90
c = 77.3	γ = 90

Software Package:

Software Name	Purpose
d*TREK	data reduction
PHASER	phasing
PHENIX	refinement
PDB_EXTRACT	data extraction
CrystalClear	data collection
d*TREK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2014-02-12 
Deposition Author(s): Barba de la Rosa, A.P., Lara-Gonzalez, S., Montero-Moran, G.M., Escobedo-Moratilla, A.

Revision History  

• Version 1.0: 2014-02-12
  Type: Initial release
  
• Version 1.1: 2023-09-20
  Changes: Data collection, Database references, Refinement description
• Version 1.2: 2024-10-09
  Changes: Structure summary