3N95 | pdb_00003n95

Crystal structure of human CRFR2 alpha extracellular domain in complex with Urocortin 2

Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.72 Å
  • R-Value Free: 
    0.266 (Depositor), 0.265 (DCC) 
  • R-Value Work: 
    0.224 (Depositor), 0.223 (DCC) 
  • R-Value Observed: 
    0.226 (Depositor) 

Starting Model: experimental
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wwPDB Validation 3D Report Full Report

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This is version 2.2 of the entry. See complete history. 

Literature

Structural basis of ligand selectivity in human CRFR1 and CRFR2 alpha extracellular domain

Pal, K., Swaminathan, K., Pioszak, A.A., Xu, H.E.

To be published.

Macromolecule Content 

  • Total Structure Weight: 217.44 kDa 
  • Atom Count: 15,086 
  • Modeled Residue Count: 1,901 
  • Deposited Residue Count: 1,962 
  • Unique protein chains: 2

Macromolecules

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|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
Maltose binding protein-CRFR2 alpha extracellular domain
A, B, C, D
482Homo sapiensMutation(s): 0 
Gene Names: Human CRFR2 alpha
UniProt & NIH Common Fund Data Resources
Find proteins for P0AEX9 (Escherichia coli (strain K12))
Explore P0AEX9 
Go to UniProtKB:  P0AEX9
Find proteins for Q13324 (Homo sapiens)
Explore Q13324 
Go to UniProtKB:  Q13324
PHAROS:  Q13324
GTEx:  ENSG00000106113 
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupsQ13324P0AEX9
Sequence Annotations
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Reference Sequence
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Entity ID: 2
MoleculeChains  Sequence LengthOrganismDetailsImage
Urocortin-2
E, F
17N/AMutation(s): 1 
UniProt & NIH Common Fund Data Resources
Find proteins for Q96RP3 (Homo sapiens)
Explore Q96RP3 
Go to UniProtKB:  Q96RP3
PHAROS:  Q96RP3
GTEx:  ENSG00000145040 
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ96RP3
Sequence Annotations
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Reference Sequence

Oligosaccharides

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Entity ID: 3
MoleculeChains Length2D Diagram GlycosylationD Interactions
alpha-D-glucopyranose-(1-4)-alpha-D-glucopyranose
G, H, I, J
2N/A
Glycosylation Resources
GlyTouCan: G07411ON
GlyCosmos: G07411ON

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.72 Å
  • R-Value Free:  0.266 (Depositor), 0.265 (DCC) 
  • R-Value Work:  0.224 (Depositor), 0.223 (DCC) 
  • R-Value Observed: 0.226 (Depositor) 
Space Group: P 1 21 1
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 54.311α = 90
b = 212.068β = 104.54
c = 107.319γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
PDB_EXTRACTdata extraction
MAR345dtbdata collection
HKL-2000data reduction
HKL-2000data scaling
PHASESphasing

Structure Validation

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Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2010-10-20
    Type: Initial release
  • Version 1.1: 2011-07-13
    Changes: Version format compliance
  • Version 2.0: 2020-07-29
    Type: Remediation
    Reason: Carbohydrate remediation
    Changes: Atomic model, Data collection, Database references, Derived calculations, Non-polymer description, Structure summary
  • Version 2.1: 2023-09-06
    Changes: Data collection, Database references, Refinement description, Structure summary
  • Version 2.2: 2024-11-27
    Changes: Structure summary