8ONI

Human insulin in complex with the analytical antibody S1 Fab

• PDB DOI: https://doi.org/10.2210/pdb8ONI/pdb

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


• Deposited: 2023-04-03 Released: 2024-04-10 
• Deposition Author(s): Johansson, E.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.237 
• R-Value Work: 0.197 
• R-Value Observed: 0.200 

Literature

Macromolecular structure of insulin and IgE clonality impacts IgE-mediated activation of sensitized basophils

Christoffersen, S., Baumann, K., Millner, A.H., Toft-Hansen, H., Johansson, E., Thorlaksen, C., Skov, P.S.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A1B1C1D1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 4-mer - A2B1C1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A1B1C1D1 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 4-mer - A2B1C1 

Biological assembly 2 assigned by authors.

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 107.68 kDa 
• Atom Count: 7,990 
• Modelled Residue Count: 947 
• Deposited Residue Count: 974 
• Unique protein chains: 4

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Heavy chain of analytical antibody S1 Fab	A [auth H], C	223	Mus musculus	Mutation(s): 0

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Light chain of analytical antibody S1 Fab	B [auth L], D	213	Mus musculus	Mutation(s): 0

Entity ID: 3
Molecule	Chains	Sequence Length	Organism	Details	Image
Insulin A chain	E [auth I], G [auth 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: 4
Molecule	Chains	Sequence Length	Organism	Details	Image
Insulin B chain	F [auth B], H [auth F]	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
NAG	I [auth H], J [auth H], K [auth C], L [auth C]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 0.237 
• R-Value Work: 0.197 
• R-Value Observed: 0.200 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 83.307	α = 90
b = 71.896	β = 112.39
c = 99.64	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2024-04-10 
Deposition Author(s): Johansson, E.

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Funding Organization	Location	Grant Number
Not funded	Denmark	--

Revision History  

• Version 1.0: 2024-04-10
  Type: Initial release