3V1G | pdb_00003v1g

Forestalling insulin fibrillation by insertion of a chiral clamp mechanism-based application of protein engineering to global health

• PDB DOI: https://doi.org/10.2210/pdb3V1G/pdb

• Classification: HORMONE
• Organism(s): Homo sapiens
• Mutation(s): Yes 


• Deposited: 2011-12-09 Released: 2012-12-12 
• Deposition Author(s): Wan, Z.L., Hua, Q.X., Wickramasinghe, N.P., Huang, K., Petkova, A.T., Hu, S.Q., Phillips, N.B., Yeh, I.J., Whittake, J., Ismail-Beigi, F., Katsoyyannis, P.G., Tycko, R., Weiss, M.A.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 
  0.323 (Depositor), 0.322 (DCC) 
• R-Value Work: 
  0.229 (Depositor), 0.229 (DCC) 

Starting Model: experimental

Literature

Forestalling insulin fibrillation by insertion of a chiral clamp mechanism-based application of protein engineering to global health

Wan, Z.L., Hua, Q.X., Wickramasinghe, N.P., Huang, K., Petkova, A.T., Hu, S.Q., Phillips, N.B., Yeh, I.J., Whittake, J., Ismail-Beigi, F., Katsoyyannis, P.G., Tycko, R., Weiss, M.A.

To be published.

Biological Assembly 1  

Global Symmetry: Dihedral - D3  (Explore in 3D)
Global Stoichiometry: Hetero 12-mer - A6B6 Pseudo Symmetry: Cyclic - C3  (Explore in 3D)
Pseudo Stoichiometry: Hetero 12-mer - A3B3C3D3 

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

Macromolecule Content 

• Total Structure Weight: 11.9 kDa 
• Atom Count: 901 
• 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): 1
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 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
IPH	F [auth C]	PHENOL C6 H6 O ISWSIDIOOBJBQZ-UHFFFAOYSA-N
ZN	E [auth B], G [auth D]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N
CL	H [auth D]	CHLORIDE ION Cl VEXZGXHMUGYJMC-UHFFFAOYSA-M

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free:  0.323 (Depositor), 0.322 (DCC) 
• R-Value Work:  0.229 (Depositor), 0.229 (DCC) 

Space Group: H 3

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 79.081	α = 90
b = 79.081	β = 90
c = 37.402	γ = 120

Software Package:

Software Name	Purpose
PROTEUM PLUS	data collection
CNS	refinement
PROTEUM PLUS	data reduction
PROTEUM PLUS	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-12-12 
Deposition Author(s): Wan, Z.L., Hua, Q.X., Wickramasinghe, N.P., Huang, K., Petkova, A.T., Hu, S.Q., Phillips, N.B., Yeh, I.J., Whittake, J., Ismail-Beigi, F., Katsoyyannis, P.G., Tycko, R., Weiss, M.A.

Revision History  

• Version 1.0: 2012-12-12
  Type: Initial release
  
• Version 1.1: 2017-09-27
  Changes: Data collection
• Version 1.2: 2023-09-13
  Changes: Data collection, Database references, Derived calculations, Refinement description
• Version 1.3: 2024-11-20
  Changes: Structure summary