SPC25

Chr 2

SPC25 component of NDC80 kinetochore complex

Also known as: AD024, SPBC25, hSpc25

This gene encodes a protein that may be involved in kinetochore-microtubule interaction and spindle checkpoint activity. [provided by RefSeq, Jul 2008]

OMIMResearchGenerating clinical summary…
DNmechanismLOEUF 0.76
Clinical SummarySPC25
Population Constraint (gnomAD)
Low constraint (pLI 0.03) — loss-of-function variants are relatively tolerated in the population.
📋
ClinVar Variants
37 VUS of 54 total submissions

Population Genetics & Constraint

gnomAD v4 — loss-of-function & missense intolerance

Tolerant — LoF & missense variants common in population
LoF Constraint?
0.76LOEUF
pLI 0.026
Z-score 2.21
OE 0.36 (0.190.76)
Tolerant

Typical tolerance to LoF variation

Missense Constraint?
0.68Z-score
OE missense 0.82 (0.690.97)
90 obs / 110.0 exp
Tolerant

Mild missense constraint

Observed / Expected Ratios?
LoF OE?0.36 (0.190.76)
00.351.4
Missense OE?0.82 (0.690.97)
00.61.4
Synonymous OE?0.83
01.21.6
LoF obs/exp: 5 / 13.9Missense obs/exp: 90 / 110.0Syn Z: 0.87

This gene — mechanism propensity

DN
0.75top 25%
GOF
0.4382th %ile
LOF
0.2289th %ile

The highest-scoring mechanism for this gene is dominant-negative.

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

54 submitted variants in ClinVar

Classification Summary

VUS37
Likely Benign3
37
VUS
3
Likely Benign

Curated Variants Distribution

Classified variants from ClinVar · 5 ACMG categories

ClassificationLoFMissense + InframeNon-codingSynonymousTotal
Pathogenic
0
0
0
0
0
Likely Pathogenic
0
0
0
0
0
VUS
0
37
0
0
37
Likely Benign
0
3
0
0
3
Benign
0
0
0
0
0
Total0400040

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

View in ClinVar →

16 pathogenic / likely-pathogenic (of 18) ClinVar copy-number / structural variants overlap SPC25 — these span large chromosomal regions, not the gene specifically, and are excluded from the counts above. Explore in CNV tools →

Protein Context — Lollipop Plot

SPC25 · protein map & ClinVar variants

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

Clinical Trials

Active and recruiting trials from ClinicalTrials.gov

No active trials found for this gene.

Search ClinicalTrials.gov →