3EHS

Crystal structure of the extracellular domain of human corticotropin releasing factor receptor type 1 (CRFR1)

• PDB DOI: https://doi.org/10.2210/pdb3EHS/pdb

• Classification: MEMBRANE PROTEIN
• Organism(s): Escherichia coli K-12, Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2008-09-14 Released: 2008-09-30 
• Deposition Author(s): Pioszak, A.A., Xu, H.E.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.76 Å
• R-Value Free: 0.240 
• R-Value Work: 0.207 
• R-Value Observed: 0.209 

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 52.89 kDa 
• Atom Count: 3,568 
• Modelled Residue Count: 457 
• Deposited Residue Count: 476 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
fusion protein of CRFR1 extracellular domain and MBP	A	476	Escherichia coli K-12, Homo sapiens This entity is chimeric	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P0AEX9 (Escherichia coli (strain K12)) Explore P0AEX9  Go to UniProtKB:  P0AEX9
Find proteins for P34998 (Homo sapiens) Explore P34998  Go to UniProtKB:  P34998
PHAROS:  P34998 GTEx:  ENSG00000120088
UniProt Groups	P0AEX9P34998

Oligosaccharides

Help

Entity ID: 2
Molecule	Chains	Length	2D Diagram	Glycosylation	3D Interactions
alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose	B	2		N/A
Glycosylation Resources
GlyTouCan:  G07411ON GlyCosmos:  G07411ON

Biologically Interesting Molecules (External Reference) 1 Unique

Entity ID: 2
ID	Chains	Name	Type/Class	2D Diagram	3D Interactions
PRD_900001	B	alpha-maltose	Oligosaccharide / Nutrient

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.76 Å
• R-Value Free: 0.240 
• R-Value Work: 0.207 
• R-Value Observed: 0.209 
• Space Group: P 4₁ 2₁ 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 112.018	α = 90
b = 112.018	β = 90
c = 145.786	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-09-30 
Deposition Author(s): Pioszak, A.A., Xu, H.E.

Revision History  

• Version 1.0: 2008-09-30
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Advisory, Version format compliance
• Version 1.2: 2017-08-02
  Changes: Refinement description, Source and taxonomy
• Version 1.3: 2017-10-25
  Changes: Refinement description
• Version 1.4: 2020-02-26
  Changes: Data collection, Database references
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Atomic model, Data collection, Derived calculations, Non-polymer description, Structure summary
• Version 2.1: 2023-08-30
  Changes: Data collection, Database references, Refinement description, Structure summary