Target Information

Target General Information

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Target ID

T94482 (Former ID: TTDR00855)

Target Name

Interleukin-20 (IL20)

Synonyms

ZCYTO10; UNQ852/PRO1801; IL-20; Four alpha helix cytokine ZCYTO10; Cytokine Zcyto10

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Gene Name

IL20

Target Type

Clinical trial target

[1]

Disease

[+] 1 Target-related Diseases

Psoriasis [ICD-11: EA90]

Function

Angiogenic and proliferative activities are antagonized by IL10. May act through STAT3. Proinflammatory and angiogenic cytokine that may be involved in epidermal function and psoriasis.

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BioChemical Class

Cytokine: interleukin

UniProt ID

IL20_HUMAN

Sequence

MKASSLAFSLLSAAFYLLWTPSTGLKTLNLGSCVIATNLQEIRNGFSEIRGSVQAKDGNI
DIRILRRTESLQDTKPANRCCLLRHLLRLYLDRVFKNYQTPDHYTLRKISSLANSFLTIK
KDLRLCHAHMTCHCGEEAMKKYSQILSHFEKLEPQAAVVKALGELDILLQWMEETE

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3D Structure

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PDB

Drugs and Modes of Action

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Clinical Trial Drug(s)

[+] 1 Clinical Trial Drugs

NN-8226

Drug Info

Phase 2

Psoriasis vulgaris

[2]

Cell-based Target Expression Variations

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Cell-based Target Expression Variations

Cell-based Target Expression Variations Info

Different Human System Profiles of Target	Top
Human Similarity Proteins of target is determined by comparing the sequence similarity of all human proteins with the target based on BLAST. The similarity proteins for a target are defined as the proteins with E-value < 0.005 and outside the protein families of the target. A target that has fewer human similarity proteins outside its family is commonly regarded to possess a greater capacity to avoid undesired interactions and thus increase the possibility of finding successful drugs (Brief Bioinform, 21: 649-662, 2020). Human Pathway Affiliation of target is determined by the life-essential pathways provided on KEGG database. The target-affiliated pathways were defined based on the following two criteria (a) the pathways of the studied target should be life-essential for both healthy individuals and patients, and (b) the studied target should occupy an upstream position in the pathways and therefore had the ability to regulate biological function. Targets involved in a fewer pathways have greater likelihood to be successfully developed, while those associated with more human pathways increase the chance of undesirable interferences with other human processes (Pharmacol Rev, 58: 259-279, 2006). Biological Network Descriptors of target is determined based on a human protein-protein interactions (PPI) network consisting of 9,309 proteins and 52,713 PPIs, which were with a high confidence score of ≥ 0.95 collected from STRING database. The network properties of targets based on protein-protein interactions (PPIs) have been widely adopted for the assessment of target’s druggability. Proteins with high node degree tend to have a high impact on network function through multiple interactions, while proteins with high betweenness centrality are regarded to be central for communication in interaction networks and regulate the flow of signaling information (Front Pharmacol, 9, 1245, 2018; Curr Opin Struct Biol. 44:134-142, 2017). Human Similarity Proteins Human Pathway Affiliation Biological Network Descriptors

Different Human System Profiles of Target

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Human Similarity Proteins of target is determined by comparing the sequence similarity of all human proteins with the target based on BLAST. The similarity proteins for a target are defined as the proteins with E-value < 0.005 and outside the protein families of the target.

A target that has fewer human similarity proteins outside its family is commonly regarded to possess a greater capacity to avoid undesired interactions and thus increase the possibility of finding successful drugs (Brief Bioinform, 21: 649-662, 2020).

Human Pathway Affiliation of target is determined by the life-essential pathways provided on KEGG database. The target-affiliated pathways were defined based on the following two criteria (a) the pathways of the studied target should be life-essential for both healthy individuals and patients, and (b) the studied target should occupy an upstream position in the pathways and therefore had the ability to regulate biological function.

Targets involved in a fewer pathways have greater likelihood to be successfully developed, while those associated with more human pathways increase the chance of undesirable interferences with other human processes (Pharmacol Rev, 58: 259-279, 2006).

Biological Network Descriptors of target is determined based on a human protein-protein interactions (PPI) network consisting of 9,309 proteins and 52,713 PPIs, which were with a high confidence score of ≥ 0.95 collected from STRING database.

The network properties of targets based on protein-protein interactions (PPIs) have been widely adopted for the assessment of target’s druggability. Proteins with high node degree tend to have a high impact on network function through multiple interactions, while proteins with high betweenness centrality are regarded to be central for communication in interaction networks and regulate the flow of signaling information (Front Pharmacol, 9, 1245, 2018; Curr Opin Struct Biol. 44:134-142, 2017).

Human Similarity Proteins

Human Pathway Affiliation

Biological Network Descriptors

Protein Name	Pfam ID	Percentage of Identity (%)	E value
Interleukin-24 (IL24)		33.742 (55/163)	5.20E-22

KEGG Pathway	Pathway ID	Affiliated Target
Cytokine-cytokine receptor interaction	hsa04060	Affiliated Target
Class: Environmental Information Processing => Signaling molecules and interaction	Pathway Hierarchy
Viral protein interaction with cytokine and cytokine receptor	hsa04061	Affiliated Target
Class: Environmental Information Processing => Signaling molecules and interaction	Pathway Hierarchy
JAK-STAT signaling pathway	hsa04630	Affiliated Target
Class: Environmental Information Processing => Signal transduction	Pathway Hierarchy

Degree	2	Degree centrality	2.15E-04	Betweenness centrality	0.00E+00
Closeness centrality	1.51E-01	Radiality	1.20E+01	Clustering coefficient	1.00E+00
Neighborhood connectivity	5.00E+00	Topological coefficient	8.33E-01	Eccentricity	14
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Target Profiles in Patients

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Target Expression
Profile (TEP)

Target Expression Profile Info

Target Affiliated Biological Pathways

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KEGG Pathway

[+] 2 KEGG Pathways

Cytokine-cytokine receptor interaction

Jak-STAT signaling pathway

References

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REF 1

Handbook of Therapeutic Antibodies. 2014. 1. Page(995).

REF 2

ClinicalTrials.gov (NCT02097264) A Trial Investigating the Mechanism of Action of NNC0109-0012 (Anti-IL-20 mAb) Through Synovial Biopsies in Subjects With Rheumatoid Arthritis and an Inadequate Response to Methotrexate. U.S. National Institutes of Health.

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