LYPD2

Chr 8

LY6/PLAUR domain containing 2

Also known as: LYPDC2, UNQ430

LYPD2 encodes a protein predicted to localize to the extracellular region and plasma membrane, though its specific function remains unclear. Mutations in LYPD2 have been associated with neurodevelopmental disorders, but the clinical phenotype and inheritance pattern are not well-established. The gene shows moderate tolerance to loss-of-function variants (pLI 0.25, LOEUF 1.33), suggesting it may not be under strong selective constraint.

ResearchSummary from RefSeq
MultiplemechanismLOEUF 1.33
Clinical SummaryLYPD2
Population Constraint (gnomAD)
Constrained for loss-of-function variants (OE-LoF 0.29) despite low pLI — interpret in context.
📋
ClinVar Variants
58 unique Pathogenic / Likely Pathogenic· 42 VUS of 107 total submissions

Population Genetics & Constraint

gnomAD v4 — loss-of-function & missense intolerance

Tolerant — LoF & missense variants common in population
LoF Constraint
1.33LOEUF
pLI 0.253
Z-score 1.22
OE 0.29 (0.101.33)
Tolerant

Highly tolerant — LoF variants common in population

Missense Constraint
0.20Z-score
OE missense 0.94 (0.781.13)
80 obs / 85.3 exp
Tolerant

Mild missense constraint

Observed / Expected Ratios
LoF OE0.29 (0.101.33)
00.351.4
Missense OE0.94 (0.781.13)
00.61.4
Synonymous OE0.90
01.21.6
LoF obs/exp: 1 / 3.4Missense obs/exp: 80 / 85.3Syn Z: 0.50
DN
0.6355th %ile
GOF
0.7029th %ile
LOF
0.2580th %ile

This gene has evidence for multiple mechanisms of pathogenicity (gain-of-function and dominant-negative). Both the Badonyi & Marsh prediction and the broader genomic evidence point to gain-of-function as the predominant mechanism. Different variants in this gene may act through different mechanisms — interpret in context of the specific variant.

GOFprediction above median
DNprediction above median

Note: In-silico variant effect predictors (SIFT, PolyPhen, REVEL, CADD) may underestimate pathogenicity of missense variants in genes with GOF or DN mechanisms. Consider functional evidence and clinical context.

Predictions from Badonyi M, Marsh JA. PLoS ONE. 2024;19(8):e0307312.

ClinVar Variant Classifications

107 submitted variants in ClinVar

Classification Summary

Pathogenic54
Likely Pathogenic4
VUS42
Likely Benign3
54
Pathogenic
4
Likely Pathogenic
42
VUS
3
Likely Benign

Curated Variants Distribution

Classified variants from ClinVar · 5 ACMG categories

ClassificationLoFMissense + InframeNon-codingSynonymousTotal
Pathogenic
0
0
54
0
54
Likely Pathogenic
0
0
4
0
4
VUS
0
31
11
0
42
Likely Benign
0
3
0
0
3
Benign
0
0
0
0
0
Total034690103

LoF = frameshift, stop gained/lost, canonical splice · Counts from ClinVar esearch · Updated hourly

View in ClinVar →

Protein Context — Lollipop Plot

LYPD2 · protein map & ClinVar variants

Showing all ClinVar variants across the protein. Search a specific variant to highlight its position.

3D Protein StructureAlphaFold

Clinical Trials

Active and recruiting trials from ClinicalTrials.gov

No active trials found for this gene.

Search ClinicalTrials.gov →
Clinical Literature
Open Research Assistant →
Recent Gene-Specific Literature
Gene in title · MEDLINE · newest first
Europe PMC