SYCE2

Chr 19

synaptonemal complex central element protein 2

Also known as: CESC1

NCBI Gene: 256126ENSG00000161860UniProt: Q6PIF2

The protein encoded by this gene is part of the synaptonemal complex formed between homologous chromosomes during meiotic prophase. The encoded protein associates with SYCP1 and SYCE1 and is found only where chromosome cores are synapsed. [provided by RefSeq, Dec 2012]

125
ClinVar variants
35
Pathogenic / LP
0.28
pLI score
0
Active trials
Clinical Summary— SYCE2
⚡
Population Constraint (gnomAD)
Constrained for loss-of-function variants (OE-LoF 0.24) despite low pLI — interpret in context.
📋
ClinVar Variants
35 Pathogenic / Likely Pathogenic· 55 VUS of 125 total submissions

Population Genetics & Constraint

gnomAD v4 — loss-of-function & missense intolerance

gnomAD
Tolerant — LoF & missense variants common in population
LoF Constraint?LOEUF (Loss-of-function Observed/Expected Upper bound Fraction) is the upper bound of the 90% CI for LoF OE — the preferred gnomAD v4 metric. Lower = more intolerant to LoF. LOEUF < 0.35 = highly constrained.
0.63LOEUF
pLI 0.281
Z-score 2.45
OE 0.24 (0.11–0.63)
Tolerant

Typical tolerance to LoF variation

Missense Constraint?Missense Z-score: standard deviations fewer missense variants observed vs. expected. Z > 3.09 (p < 0.001) = gene does not tolerate missense variation. OE missense < 0.6 is also considered constrained.
0.93Z-score
OE missense 0.76 (0.64–0.91)
92 obs / 120.9 exp
Tolerant

Mild missense constraint

Observed / Expected Ratios?Shaded band = 90% confidence interval. Vertical tick = point estimate. Grey threshold line = gnomAD constraint cutoff for that variant class.
LoF OE?Ratio of observed to expected LoF variants. Upper CI bound (LOEUF) ≤ 0.35 = strong LoF constraint signal.0.24 (0.11–0.63)
0≤0.351.4
Missense OE?Ratio of observed to expected missense variants. OE ≤ 0.6 = fewer missense variants than expected by chance.0.76 (0.64–0.91)
0≤0.61.4
Synonymous OE?Control metric — synonymous variants are largely neutral and expected near OE = 1.0. Significant deviation may indicate annotation issues.0.80
0≤1.21.6
LoF obs/exp: 3 / 12.3Missense obs/exp: 92 / 120.9Syn Z: 1.13

ClinVar Variant Classifications

125 submitted variants in ClinVar

ClinVar

Classification Summary

Pathogenic23
Likely Pathogenic12
VUS55
Likely Benign28
Benign4
Conflicting3
23
Pathogenic
12
Likely Pathogenic
55
VUS
28
Likely Benign
4
Benign
3
Conflicting

Curated Variants Distribution

Classified variants from ClinVar · 5 ACMG categories

ClassificationLoFMissense + InframeNon-codingSynonymousTotal
Pathogenic
2
2
19
0
23
Likely Pathogenic
2
6
4
0
12
VUS
3
36
16
0
55
Likely Benign
0
2
10
16
28
Benign
0
2
2
0
4
Conflicting
—3
Total7485116125

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

View in ClinVar →

Protein Context — Lollipop Plot

SYCE2 · protein map & ClinVar variants

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

OMIM — Genotype-Phenotype Relationships

1 OMIM entry

OMIM
Clinical Literature
Landmark / reviewRecent case evidence
Key Publications
Landmark & review papers · by relevance
PubMed
Top 10 resultsSearch PubMed ↗
Recent Gene-Specific Literature
Gene in title · MEDLINE · newest first
Europe PMC
Top 5 resultsSearch Europe PMC ↗

Clinical Trials

Active and recruiting trials from ClinicalTrials.gov

ClinicalTrials.gov

No active trials found for this gene.

Search ClinicalTrials.gov →

External Resources

Links to major genomics databases and tools