7A21

Crystal structure of the ACVR1 (ALK2) kinase in complex with the compound M4K2158

• PDB DOI: https://doi.org/10.2210/pdb7A21/pdb

• Classification: SIGNALING PROTEIN
• Organism(s): Homo sapiens
• Expression System: Spodoptera frugiperda
• Mutation(s): Yes 


• Deposited: 2020-08-14 Released: 2020-09-16 
• Deposition Author(s): Adamson, R.J., Williams, E.P., Smil, D., Burgess-Brown, N., von Delft, F., Arrowsmith, C.H., Edwards, A.M., Bountra, C., Bullock, A.N.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.14 Å
• R-Value Free: 0.256 
• R-Value Work: 0.208 
• R-Value Observed: 0.210 

Starting Model: experimental

Literature

Crystal structure of the ACVR1 (ALK2) kinase in complex with the compound M4K2153

Adamson, R.J., Williams, E.P., Smil, D., Burgess-Brown, N., von Delft, F., Arrowsmith, C.H., Edwards, A.M., Bountra, C., Bullock, A.N.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 70.19 kDa 
• Atom Count: 4,928 
• Modelled Residue Count: 592 
• Deposited Residue Count: 602 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Activin receptor type I	A, B	301	Homo sapiens	Mutation(s): 1  Gene Names: ACVR1 EC: 2.7.11.30
UniProt & NIH Common Fund Data Resources
Find proteins for Q04771 (Homo sapiens) Explore Q04771  Go to UniProtKB:  Q04771
PHAROS:  Q04771 GTEx:  ENSG00000115170

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
QWQ (Subject of Investigation/LOI)	C [auth A], E [auth B]	4-methyl-3-[4-(pyrrolidin-1-ylmethyl)phenyl]-5-(3,4,5-trimethoxyphenyl)pyridine C26 H30 N2 O3 LRZCFVDFECJERV-UHFFFAOYSA-N
DMS	D [auth A], F [auth B]	DIMETHYL SULFOXIDE C2 H6 O S IAZDPXIOMUYVGZ-UHFFFAOYSA-N
EDO	G [auth B], H [auth B]	1,2-ETHANEDIOL C2 H6 O2 LYCAIKOWRPUZTN-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.14 Å
• R-Value Free: 0.256 
• R-Value Work: 0.208 
• R-Value Observed: 0.210 
• Space Group: P 2 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 59.65	α = 90
b = 85.53	β = 90
c = 137.24	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
xia2	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2020-09-16 
Deposition Author(s): Adamson, R.J., Williams, E.P., Smil, D., Burgess-Brown, N., von Delft, F., Arrowsmith, C.H., Edwards, A.M., Bountra, C., Bullock, A.N.

Revision History  

• Version 1.0: 2020-09-16
  Type: Initial release
  
• Version 1.1: 2020-10-28
  Changes: Structure summary
• Version 1.2: 2024-01-31
  Changes: Data collection, Database references, Refinement description