4Z9G

Crystal structure of human corticotropin-releasing factor receptor 1 (CRF1R) in complex with the antagonist CP-376395 in a hexagonal setting with translational non-crystallographic symmetry

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.18 Å
  • R-Value Free: 0.289 
  • R-Value Work: 0.244 
  • R-Value Observed: 0.247 

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Literature

Decoding Corticotropin-Releasing Factor Receptor Type 1 Crystal Structures.

Dore, A.S., Bortolato, A., Hollenstein, K., Cheng, R.K.Y., Read, R.J., Marshall, F.H.

(2017) Curr Mol Pharmacol 10: 334-344

  • DOI: 10.2174/1874467210666170110114727
  • Primary Citation of Related Structures:  
    4Z9G

  • PubMed Abstract: 

    • The structural analysis of class B G protein-coupled receptors (GPCR), cell surface proteins responding to peptide hormones, has until recently been restricted to the extracellular domain (ECD). Corticotropin-releasing factor receptor type 1 (CRF1R) is a class B receptor mediating stress response and also considered a drug target for depression and anxiety ...

    The structural analysis of class B G protein-coupled receptors (GPCR), cell surface proteins responding to peptide hormones, has until recently been restricted to the extracellular domain (ECD). Corticotropin-releasing factor receptor type 1 (CRF1R) is a class B receptor mediating stress response and also considered a drug target for depression and anxiety. Here we report the crystal structure of the transmembrane domain of human CRF1R in complex with the small-molecule antagonist CP-376395 in a hexagonal setting with translational non-crystallographic symmetry. Molecular dynamics and metadynamics simulations on this novel structure and the existing TMD structure for CRF1R provides insight as to how the small molecule ligand gains access to the induced-fit allosteric binding site with implications for the observed selectivity against CRF2R. Furthermore, molecular dynamics simulations performed using a full-length receptor model point to key interactions between the ECD and extracellular loop 3 of the TMD providing insight into the full inactive state of multidomain class B GPCRs.

    Organizational Affiliation: 

    Heptares Therapeutics Ltd, BioPark, Broadwater Road, Welwyn Garden City, Herts, AL7 3AX. United Kingdom.



Macromolecules
Find similar proteins by: 
(by identity cutoff)  |  Structure
Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
Corticotropin-releasing factor receptor 1,Lysozyme,Corticotropin-releasing factor receptor 1A, B, C443Homo sapiens, Enterobacteria phage RB51Mutation(s): 13 
Gene Names: CRHR1, CRFR, CRFR1, CRHR, e, RB51ORF131
EC: 3.2.1.17
Membrane Entity: Yes 
UniProt & NIH Common Fund Data Resources
Find proteins for C3V2B5 (Enterobacteria phage RB51)
Explore C3V2B5 
Go to UniProtKB:  C3V2B5
Find proteins for P34998 (Homo sapiens)
Explore P34998 
Go to UniProtKB:  P34998
PHAROS:  P34998
GTEx:  ENSG00000120088
Protein Feature View
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  • Reference Sequence
Small Molecules
Ligands 3 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
1Q5 (Subject of Investigation/LOI)
Query on 1Q5
Download Ideal Coordinates CCD File 
 G [auth A], M [auth B], R [auth C]3,6-dimethyl-N-(pentan-3-yl)-2-(2,4,6-trimethylphenoxy)pyridin-4-amine
C21 H30 N2 O
VIZBSVDBNLAVAW-UHFFFAOYSA-N		 Ligand Interaction
OLA (Subject of Investigation/LOI)
Query on OLA
Download Ideal Coordinates CCD File 
D [auth A] , E [auth A] , F [auth A] , J [auth B] , K [auth B] , L [auth B] , N [auth C] , O [auth C] , 
D [auth A],  E [auth A],  F [auth A],  J [auth B],  K [auth B],  L [auth B],  N [auth C],  O [auth C],  P [auth C],  Q [auth C]
OLEIC ACID
C18 H34 O2
ZQPPMHVWECSIRJ-KTKRTIGZSA-N		 Ligand Interaction
SO4
Query on SO4
Download Ideal Coordinates CCD File 
 H [auth A], I [auth A], S [auth C]SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L		 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 3.18 Å
  • R-Value Free: 0.289 
  • R-Value Work: 0.244 
  • R-Value Observed: 0.247 
  • Space Group: P 6
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 189.359α = 90
b = 189.359β = 90
c = 88.575γ = 120
Software Package:
Software NamePurpose
Aimlessdata scaling
PHASERphasing
PHENIXrefinement
PDB_EXTRACTdata extraction

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2016-06-29
    Type: Initial release
  • Version 1.1: 2017-12-06
    Changes: Database references