5IXD

Structure of human JAK1 FERM/SH2 in complex with IFN lambda receptor


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.85 Å
  • R-Value Free: 0.282 
  • R-Value Work: 0.249 

wwPDB Validation 3D Report Full Report


This is version 1.2 of the entry. See complete history

Literature

The Structural Basis for Class II Cytokine Receptor Recognition by JAK1.

Ferrao, R.Wallweber, H.J.Ho, H.Tam, C.Franke, Y.Quinn, J.Lupardus, P.J.

(2016) Structure 24: 897-905

  • DOI: 10.1016/j.str.2016.03.023
  • Primary Citation of Related Structures:  

  • PubMed Abstract: 
  • JAK1 is a member of the Janus kinase (JAK) family of non-receptor tyrosine kinases that are activated in response to cytokines and interferons. Here, we present two crystal structures of the human JAK1 FERM and SH2 domains bound to peptides derived f ...

    JAK1 is a member of the Janus kinase (JAK) family of non-receptor tyrosine kinases that are activated in response to cytokines and interferons. Here, we present two crystal structures of the human JAK1 FERM and SH2 domains bound to peptides derived from the class II cytokine receptors IFN-λ receptor 1 and IL-10 receptor 1 (IFNLR1 and IL10RA). These structures reveal an interaction site in the JAK1 FERM that accommodates the so-called "box1" membrane-proximal receptor peptide motif. Biophysical analysis of the JAK1-IFNLR1 interaction indicates that the receptor box1 is the primary driver of the JAK1 interaction, and identifies residues conserved among class II receptors as important for binding. In addition, we demonstrate that a second "box2" receptor motif further stabilizes the JAK1-IFNLR1 complex. Together, these data identify a conserved JAK binding site for receptor peptides and elucidate the mechanism by which class II cytokine receptors interact with JAK1.


    Organizational Affiliation

    Department of Biochemical and Cellular Pharmacology, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA.,Department of Structural Biology, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA.,Department of Structural Biology, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA. Electronic address: lupardus.patrick@gene.com.




Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
MoleculeChainsSequence LengthOrganismDetails
Tyrosine-protein kinase JAK1
A
544Homo sapiensMutation(s): 0 
Gene Names: JAK1 (JAK1A, JAK1B)
EC: 2.7.10.2
Find proteins for P23458 (Homo sapiens)
Go to Gene View: JAK1
Go to UniProtKB:  P23458
Entity ID: 2
MoleculeChainsSequence LengthOrganismDetails
Interferon lambda receptor 1
B
55Homo sapiensMutation(s): 0 
Gene Names: IFNLR1 (IL28RA, LICR2)
Find proteins for Q8IU57 (Homo sapiens)
Go to Gene View: IFNLR1
Go to UniProtKB:  Q8IU57
Small Molecules
Ligands 1 Unique
IDChainsName / Formula / InChI Key2D Diagram3D Interactions
CIT
Query on CIT

Download SDF File 
Download CCD File 
A
CITRIC ACID
C6 H8 O7
KRKNYBCHXYNGOX-UHFFFAOYSA-N
 Ligand Interaction
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.85 Å
  • R-Value Free: 0.282 
  • R-Value Work: 0.249 
  • Space Group: C 2 2 21
Unit Cell:
Length (Å)Angle (°)
a = 111.170α = 90.00
b = 193.200β = 90.00
c = 72.980γ = 90.00
Software Package:
Software NamePurpose
PHASERphasing
PHENIXrefinement
XDSdata reduction
XSCALEdata scaling

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History 

Deposition Data

Revision History 

  • Version 1.0: 2016-05-18
    Type: Initial release
  • Version 1.1: 2016-06-15
    Type: Database references
  • Version 1.2: 2016-07-06
    Type: Data collection