8GSG | pdb_00008gsg

T3R3 form of Human insulin with single Zn

• PDB DOI: https://doi.org/10.2210/pdb8GSG/pdb

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


• Deposited: 2022-09-06 Released: 2023-03-15 
• Deposition Author(s): Zhu, Z.L.
• Funding Organization(s): Not funded

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.05 Å
• R-Value Free: 
  0.205 (Depositor), 0.210 (DCC) 
• R-Value Work: 
  0.172 (Depositor), 0.170 (DCC) 
• R-Value Observed: 
  0.174 (Depositor) 

Starting Model: experimental

Literature

T3R3 insulin with single Zn

Zhu, Z.L.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C3  (Explore in 3D)
Global Stoichiometry: Hetero 12-mer - A6B6 Pseudo Symmetry: Cyclic - C3  (Explore in 3D)
Pseudo Stoichiometry: Hetero 12-mer - A6B3C3 

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

Macromolecule Content 

• Total Structure Weight: 11.98 kDa 
• Atom Count: 909 
• 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 chain	A, C	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, D	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 4 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
CRS (Subject of Investigation/LOI)	E [auth B], F [auth C]	M-CRESOL C7 H8 O RLSSMJSEOOYNOY-UHFFFAOYSA-N
ZN (Subject of Investigation/LOI)	H [auth D]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
CL (Subject of Investigation/LOI)	I [auth D]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M
NA (Subject of Investigation/LOI)	G [auth C]	SODIUM ION Na FKNQFGJONOIPTF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.05 Å
• R-Value Free:  0.205 (Depositor), 0.210 (DCC) 
• R-Value Work:  0.172 (Depositor), 0.170 (DCC) 
• R-Value Observed: 0.174 (Depositor) 

Space Group: H 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 80.018	α = 90
b = 80.018	β = 90
c = 36.229	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
Aimless	data scaling
AutoSol	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2023-03-15 
Deposition Author(s): Zhu, Z.L.

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Funding Organization	Location	Grant Number
Not funded		--

Revision History  

• Version 1.0: 2023-03-15
  Type: Initial release
  
• Version 1.1: 2023-11-29
  Changes: Data collection, Refinement description
• Version 1.2: 2024-10-16
  Changes: Structure summary