TEX14

Chr 17AR

testis expressed 14, intercellular bridge forming factor

Also known as: CT113, SPGF23, SgK307

NCBI Gene: 56155 ENSG00000121101 UniProt: Q8IWB6

The protein encoded by this gene is necessary for intercellular bridges in germ cells, which are required for spermatogenesis. Three transcript variants encoding different isoforms have been found for this gene.[provided by RefSeq, Jan 2011]

Primary Disease Associations & Inheritance

Spermatogenic failure 23MIM #617707

Active trials

Pathogenic / LP

ClinVar variants

Pubs (1 yr)

-0.4

Missense Z

0.95

LOEUF

Clinical Summary— TEX14

⚡

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

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.

0.95LOEUF

pLI 0.000

Z-score 1.90

OE 0.78 (0.63–0.95)

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.

-0.41Z-score

OE missense 1.04 (0.98–1.10)

831 obs / 798.7 exp

Tolerant

Tolerant to missense variation

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.0.78 (0.63–0.95)

0≤0.351.4

Missense OE?Ratio of observed to expected missense variants. OE ≤ 0.6 = fewer missense variants than expected by chance.1.04 (0.98–1.10)

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.0.96

0≤1.21.6

LoF obs/exp: 65 / 83.8Missense obs/exp: 831 / 798.7Syn Z: 0.48

0.5576th %ile

GOF

0.6639th %ile

LOF

0.53top 25%

The highest-scoring mechanism for this gene is gain-of-function.

GOFprediction 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.