Interleukin 12 receptor subunit beta-1

Experimental Data Snapshot

  • Resolution: 2.01 Å
  • R-Value Free: 0.242 
  • R-Value Work: 0.222 
  • R-Value Observed: 0.223 

wwPDB Validation   3D Report Full Report

This is version 1.2 of the entry. See complete history


Structural basis for IL-12 and IL-23 receptor sharing reveals a gateway for shaping actions on T versus NK cells.

Glassman, C.R.Mathiharan, Y.K.Jude, K.M.Su, L.Panova, O.Lupardus, P.J.Spangler, J.B.Ely, L.K.Thomas, C.Skiniotis, G.Garcia, K.C.

(2021) Cell 184: 983-999.e24

  • DOI: https://doi.org/10.1016/j.cell.2021.01.018
  • Primary Citation of Related Structures:  
    6WDP, 6WDQ

  • PubMed Abstract: 

    Interleukin-12 (IL-12) and IL-23 are heterodimeric cytokines that are produced by antigen-presenting cells to regulate the activation and differentiation of lymphocytes, and they share IL-12Rβ1 as a receptor signaling subunit. We present a crystal structure of the quaternary IL-23 (IL-23p19/p40)/IL-23R/IL-12Rβ1 complex, together with cryoelectron microscopy (cryo-EM) maps of the complete IL-12 (IL-12p35/p40)/IL-12Rβ2/IL-12Rβ1 and IL-23 receptor (IL-23R) complexes, which reveal "non-canonical" topologies where IL-12Rβ1 directly engages the common p40 subunit. We targeted the shared IL-12Rβ1/p40 interface to design a panel of IL-12 partial agonists that preserved interferon gamma (IFNγ) induction by CD8 + T cells but impaired cytokine production from natural killer (NK) cells in vitro. These cell-biased properties were recapitulated in vivo, where IL-12 partial agonists elicited anti-tumor immunity to MC-38 murine adenocarcinoma absent the NK-cell-mediated toxicity seen with wild-type IL-12. Thus, the structural mechanism of receptor sharing used by IL-12 family cytokines provides a protein interface blueprint for tuning this cytokine axis for therapeutics.

  • Organizational Affiliation

    Program in Immunology, Stanford University School of Medicine, Stanford, CA 94305, USA; Departments of Molecular and Cellular Physiology and Structural Biology, Stanford University School of Medicine, Stanford, CA 94305, USA.

Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Interleukin-12 receptor subunit beta-1219Homo sapiensMutation(s): 0 
Gene Names: IL12RB1IL12RIL12RB
UniProt & NIH Common Fund Data Resources
Find proteins for P42701 (Homo sapiens)
Explore P42701 
Go to UniProtKB:  P42701
GTEx:  ENSG00000096996 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP42701
Sequence Annotations
  • Reference Sequence
Experimental Data & Validation

Experimental Data

Unit Cell:
Length ( Å )Angle ( ˚ )
a = 55.78α = 90
b = 55.78β = 90
c = 182.01γ = 90
Software Package:
Software NamePurpose
XDSdata reduction
XDSdata scaling

Structure Validation

View Full Validation Report

Entry History & Funding Information

Deposition Data

Funding OrganizationLocationGrant Number
National Institutes of Health/National Cancer Institute (NIH/NCI)5R01CA177684

Revision History  (Full details and data files)

  • Version 1.0: 2021-02-24
    Type: Initial release
  • Version 1.1: 2021-03-03
    Changes: Database references
  • Version 1.2: 2021-12-01
    Changes: Database references