3N57

Crystal Structure of human Insulin-degrading enzyme (IDE) in complex with human atrial natriuretic peptide (ANP)

• PDB DOI: https://doi.org/10.2210/pdb3N57/pdb

• Classification: HYDROLASE/HORMONE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3), Escherichia coli
• Mutation(s): Yes 


• Deposited: 2010-05-24 Released: 2010-11-17 
• Deposition Author(s): Funke, T., Guo, Q., Tang, W.-J.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.03 Å
• R-Value Free: 0.242 
• R-Value Work: 0.206 
• R-Value Observed: 0.207 

Literature

Crystal Structure of human Insulin-degrading enzyme (IDE) in complex with human atrial natriuretic peptide (ANP)

Ralat, L.A., Funke, T., Ren, M., Guo, Q., Dickey, D.M., Potter, L.R., Tang, W.-J.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 4-mer - A2B2 Pseudo Symmetry: Asymmetric - C1 
Pseudo Stoichiometry: Hetero 4-mer - A2B1C1 Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - B2 

Local Symmetry: Cyclic - C2  (Explore in 3D)
Local Stoichiometry: Homo 2-mer - B2 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 235.43 kDa 
• Atom Count: 15,718 
• Modelled Residue Count: 1,913 
• Deposited Residue Count: 2,036 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Insulin-degrading enzyme	A, B	990	Homo sapiens	Mutation(s): 14  Gene Names: IDE EC: 3.4.24.56
UniProt & NIH Common Fund Data Resources
Find proteins for P14735 (Homo sapiens) Explore P14735  Go to UniProtKB:  P14735
PHAROS:  P14735 GTEx:  ENSG00000119912

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Atrial natriuretic factor	C, D	28	Homo sapiens	Mutation(s): 0  Gene Names: NPPA, ANP, PND
UniProt & NIH Common Fund Data Resources
Find proteins for P01160 (Homo sapiens) Explore P01160  Go to UniProtKB:  P01160
PHAROS:  P01160 GTEx:  ENSG00000175206

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
ZN	E [auth A], F [auth B]	ZINC ION Zn PTFCDOFLOPIGGS-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 3.03 Å
• R-Value Free: 0.242 
• R-Value Work: 0.206 
• R-Value Observed: 0.207 
• Space Group: P 6₅

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 264.101	α = 90
b = 264.101	β = 90
c = 91.186	γ = 120

Software Package:

Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
PHASER	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
HKL-3000	data collection
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-11-17 
Deposition Author(s): Funke, T., Guo, Q., Tang, W.-J.

Revision History  

• Version 1.0: 2010-11-17
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-11-08
  Changes: Database references, Refinement description, Source and taxonomy
• Version 1.3: 2024-02-21
  Changes: Data collection, Database references, Derived calculations