3W7Z | pdb_00003w7z

1.15A structure of human 2Zn insulin at 293K

• PDB DOI: https://doi.org/10.2210/pdb3W7Z/pdb

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


• Deposited: 2013-03-11 Released: 2013-07-03 
• Deposition Author(s): Hoshikawa, N., Sasaki, K., Sakabe, N., Sakabe, K.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.15 Å
• R-Value Free: 
  0.195 (Depositor), 0.192 (DCC) 
• R-Value Work: 
  0.145 (Depositor), 0.145 (DCC) 
• R-Value Observed: 
  0.148 (Depositor) 

Starting Model: experimental

Literature

1.15A structure of human 2Zn insulin at 293K

Hoshikawa, N., Sasaki, K., Sakabe, N., Sakabe, K.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Hetero 6-mer - A3B3 

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

Biological Assembly 2  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Hetero 6-mer - A3B3 

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

Macromolecule Content 

• Total Structure Weight: 11.77 kDa 
• Atom Count: 1,070 
• Modeled Residue Count: 102 
• Deposited Residue Count: 102 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Insulin	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, 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 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	E [auth B], F [auth D]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.15 Å
• R-Value Free:  0.195 (Depositor), 0.192 (DCC) 
• R-Value Work:  0.145 (Depositor), 0.145 (DCC) 
• R-Value Observed: 0.148 (Depositor) 

Space Group: H 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 82.7	α = 90
b = 82.7	β = 90
c = 34.2	γ = 120

Software Package:

Software Name	Purpose
WEIS	data scaling
CCP4	model building
REFMAC	refinement
WEIS	data reduction
CCP4	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2013-07-03 
Deposition Author(s): Hoshikawa, N., Sasaki, K., Sakabe, N., Sakabe, K.

Revision History  

• Version 1.0: 2013-07-03
  Type: Initial release
  
• Version 1.1: 2017-11-22
  Changes: Refinement description
• Version 1.2: 2018-03-07
  Changes: Data collection
• Version 1.3: 2023-11-08
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.4: 2024-11-20
  Changes: Structure summary