Q8IU54: Interferon lambda-1 (IFNL1)

Interferon lambda-1 (IFNL1) is a 200-residue protein from Homo sapiens. This is its AlphaFold structure prediction, created 1 Aug 2025. UniProt accession: Q8IU54.

Gene
IFNL1
Organism
Homo sapiens
Length
200 residues
Mean pLDDT
82.8
Model
AF-Q8IU54-F1 v6
Model created
1 Aug 2025
PDB structures
2

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Model confidence (pLDDT)

The mean pLDDT of this model is 82.8 (confident overall). pLDDT is AlphaFold's per-residue confidence score from 0 to 100. In MolViewer, choose the B-factor color scheme to color the model by pLDDT, because AlphaFold stores it in the B-factor column.

pLDDT bandMeaningShare of residues
Above 90Very high: backbone and side chains are usually accurate63%
70 to 90Confident: backbone generally right10%
50 to 70Low: treat with caution17%
Below 50Very low: often disordered regions11%

What pLDDT means and how to read it

Function

Cytokine with antiviral, antitumour and immunomodulatory activities. Plays a critical role in the antiviral host defense, predominantly in the epithelial tissues. Acts as a ligand for the heterodimeric class II cytokine receptor composed of IL10RB and IFNLR1, and receptor engagement leads to the activation of the JAK/STAT signaling pathway resulting in the expression of IFN-stimulated genes (ISG), which mediate the antiviral state. Has a restricted receptor distribution and therefore restricted targets: is primarily active in epithelial cells and this cell type-selective action is because of the epithelial cell-specific expression of its receptor IFNLR1. Exerts an immunomodulatory effect…

Subcellular location

Secreted

Experimental structures in the PDB

Compare the prediction with experimentally determined structures of the same protein:

PDB IDMethodResolutionChains and residues
3OG6X-ray2.1 ÅA=20-200
3OG4X-ray2.16 ÅA=23-200

More AlphaFold highlights

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