The protein functions as a Kelch domain-containing protein involved in cellular processes, though its specific molecular function remains poorly characterized. Mutations cause a neurodevelopmental disorder with intellectual disability, seizures, and brain abnormalities, inherited in an autosomal recessive pattern. The gene shows minimal constraint against loss-of-function variants, consistent with the recessive inheritance pattern observed in affected patients.

MultiplemechanismLOEUF 1.51
Clinical SummaryKLHDC7B
Population Constraint (gnomAD)
Low constraint (pLI 0.00) — loss-of-function variants are relatively tolerated in the population.

Population Genetics & Constraint

gnomAD v4 — loss-of-function & missense intolerance

Tolerant — LoF & missense variants common in population
LoF Constraint
1.51LOEUF
pLI 0.000
Z-score 0.11
OE 0.97 (0.641.51)
Tolerant

Highly tolerant — LoF variants common in population

Missense Constraint
1.19Z-score
OE missense 0.83 (0.750.91)
307 obs / 371.3 exp
Tolerant

Mild missense constraint

Observed / Expected Ratios
LoF OE0.97 (0.641.51)
00.351.4
Missense OE0.83 (0.750.91)
00.61.4
Synonymous OE0.93
01.21.6
LoF obs/exp: 14 / 14.5Missense obs/exp: 307 / 371.3Syn Z: 0.78
DN
0.6162th %ile
GOF
0.6639th %ile
LOF
0.51top 25%

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

0 submitted variants in ClinVar

Protein Context — Lollipop Plot

KLHDC7B · 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.

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Clinical Literature
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