4ATM

Crystal structure of the BAR domain of human Amphiphysin, isoform 1 at 1.8 Angstrom resolution featuring increased order at the N- terminus.

• PDB DOI: https://doi.org/10.2210/pdb4ATM/pdb
• Entry: 4ATM supersedes: 4A3A

• Classification: STRUCTURAL PROTEIN
• Organism(s): Homo sapiens
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2012-05-08 Released: 2012-05-30 
• Deposition Author(s): Allerston, C.K., Krojer, T., Arrowsmith, C.H., Weigelt, J., Edwards, A., Bountra, C., von Delft, F., Gileadi, O.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.78 Å
• R-Value Free: 0.218 
• R-Value Work: 0.187 
• R-Value Observed: 0.189 

Starting Model: experimental

Literature

Crystal Structure of the Bar Domain of Human Amphiphysin, Isoform 1

Allerston, C.K., Krojer, T., Gileadi, O.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

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

Macromolecule Content

• Total Structure Weight: 29.04 kDa 
• Atom Count: 2,107 
• Modelled Residue Count: 221 
• Deposited Residue Count: 243 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
AMPHIPHYSIN	A	243	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P49418 (Homo sapiens) Explore P49418  Go to UniProtKB:  P49418
GTEx:  ENSG00000078053

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
GOL	D [auth A], H [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N
EDO	B [auth A], C [auth A], E [auth A], F [auth A], G [auth A]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.78 Å
• R-Value Free: 0.218 
• R-Value Work: 0.187 
• R-Value Observed: 0.189 
• Space Group: P 3₂ 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 82.39	α = 90
b = 82.39	β = 90
c = 86.59	γ = 120

Software Package:

Software Name	Purpose
PHENIX	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-05-30 
Deposition Author(s): Allerston, C.K., Krojer, T., Arrowsmith, C.H., Weigelt, J., Edwards, A., Bountra, C., von Delft, F., Gileadi, O.
• This entry supersedes: 4A3A

Revision History  

• Version 1.0: 2012-05-30
  Type: Initial release
  
• Version 1.1: 2012-12-05
  Changes: Structure summary
• Version 1.2: 2023-12-20
  Changes: Data collection, Database references, Derived calculations, Other, Refinement description