6S34

Zinc free, dimeric human insulin determined to 1.35 Angstrom resolution

• PDB DOI: https://doi.org/10.2210/pdb6S34/pdb

• Classification: HORMONE
• Organism(s): Homo sapiens
• Expression System: Saccharomyces cerevisiae
• Mutation(s): No 


• Deposited: 2019-06-24 Released: 2019-07-03 
• Deposition Author(s): Johansson, E.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.35 Å
• R-Value Free: 0.177 
• R-Value Work: 0.161 

Literature

Zinc free, dimeric human insulin determined to 1.35 Angstrom resolution

Johansson, E.

Not Published 

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 

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

Biological Assembly Evidence: homology

Macromolecule Content

• Total Structure Weight: 5.88 kDa 
• Atom Count: 518 
• Modelled Residue Count: 51 
• Deposited Residue Count: 51 
• 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	30	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

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EDO	C [auth B]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.35 Å
• R-Value Free: 0.177 
• R-Value Work: 0.161 
• Space Group: I 2₁ 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 78.17	α = 90
b = 78.17	β = 90
c = 78.17	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2019-07-03 
Deposition Author(s): Johansson, E.

Revision History  

• Version 1.0: 2019-07-03
  Type: Initial release
  
• Version 1.1: 2021-01-13
  Changes: Database references
• Version 1.2: 2023-07-26
  Changes: Database references, Derived calculations
• Version 1.3: 2024-01-24
  Changes: Data collection, Refinement description, Source and taxonomy, Structure summary