3EXX

Structure of the T6 human insulin derivative with nickel at 1.35 A resolution

• PDB DOI: https://doi.org/10.2210/pdb3EXX/pdb

• Classification: HORMONE
• Organism(s): Homo sapiens
• Mutation(s): No 


• Deposited: 2008-10-17 Released: 2009-05-19 
• Deposition Author(s): Prugovecki, B., Matkovic-Calogovic, D.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.35 Å
• R-Value Free: 0.171 
• R-Value Work: 0.124 
• R-Value Observed: 0.126 

Literature

Structure of the T6 Human Nickel Insulin Derivative at 1.35 A Resolution.

Prugovecki, B., Dodson, E., Dodson, G., Matkovic-Calogovic, D.

(2009) Croat Chem Acta 82: 433-438

Biological Assembly 1  

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

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

Biological Assembly 2  

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

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 11.8 kDa 
• Atom Count: 1,024 
• Modelled Residue Count: 102 
• Deposited Residue Count: 102 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Insulin A chain	A, C	21	Homo sapiens	Mutation(s): 0
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, D	30	Homo sapiens	Mutation(s): 0
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 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NI	E [auth B], G [auth D]	NICKEL (II) ION Ni VEQPNABPJHWNSG-UHFFFAOYSA-N
NA	F [auth B], H [auth D]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.35 Å
• R-Value Free: 0.171 
• R-Value Work: 0.124 
• R-Value Observed: 0.126 
• Space Group: H 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 81.411	α = 90
b = 81.411	β = 90
c = 33.752	γ = 120

Software Package:

Software Name	Purpose
MOSFLM	data reduction
SCALA	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
MAR345dtb	data collection

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-05-19 
Deposition Author(s): Prugovecki, B., Matkovic-Calogovic, D.

Revision History  

• Version 1.0: 2009-05-19
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2011-09-07
  Changes: Database references
• Version 1.3: 2023-12-27
  Changes: Data collection, Database references, Derived calculations
• Version 1.4: 2024-11-20
  Changes: Structure summary