Is TMPO p.Leu110Ile (c.328C>A) pathogenic?

TMPO p.Leu110Ile (c.328C>A) is classified Uncertain significance in TMPO (ClinVar, Single submitter, 1 submitter; last evaluated 2023-10-27). AlphaMissense: likely benign (0.0739); Absent from gnomAD v4.1.

How common is TMPO p.Leu110Ile (c.328C>A) in the general population?

TMPO p.Leu110Ile (c.328C>A) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about TMPO p.Leu110Ile (c.328C>A)?

AlphaMissense predicts likely benign (score 0.0739) — an in-silico prediction, not a clinical call.

TMPO p.Leu110Ile

c.328C>A · rs1302280025 · VCV3223175

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.0739 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

0/3 damaging

AlphaMissense, REVEL, SaProt

Computational evidence

Protein change
AlphaMissense	0.0739	likely benign
REVEL	0.024	moderately benign-leaning
SaProt	LLR -5.90	tolerated
⇒ AlphaMissense, REVEL and SaProt all call this tolerated.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP -0.072	GERP 0.55, phastCons 0.37
Regional constraint	o/e 1.01	unconstrained · MANE · 28 kb · p 0.89 · regional, not allelic
Overall
CADD	16.48	PHRED · no single calibrated threshold — expert panels disagree

ClinVar classifies this uncertain; the computational predictors unanimously lean tolerated — a triage signal, not a reclassification

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

Population frequency

gnomAD v4.1 · exomes + genomes

Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.

Variant & gene context

Gene: TMPO
Protein: p.Leu110Ile
Coding: c.328C>A
MANE Select: NM_001032283
dbSNP: rs1302280025
Type: single nucleotide variant
Location: chr12:98527934 (GRCh38)
Gene constraint: LOEUF 0.736 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 60.49 · 14 PDB
Residue 110: the lem domain; the 'disordered' region; the 'nucleoplasmic' region

Full TMPO gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

TMPO p.Leu110= Likely benign ★★ same residue
TMPO c.565+1005A>G Uncertain significance ★★ ⚠ same type
TMPO c.565+1009T>C Uncertain significance ★★ ⚠ same type
TMPO c.565+1012A>C Uncertain significance ★★ ⚠ same type
TMPO c.565+1017A>G Uncertain significance ★★ ⚠ same type
TMPO c.565+1026A>G Uncertain significance ★★ ⚠ same type
TMPO c.565+1029G>T Uncertain significance ★★ ⚠ same type
TMPO c.565+1048G>C Uncertain significance ★★ ⚠ same type

Built on 18 open, versioned datasets — ClinVar, gnomAD, AlphaMissense, REVEL, ClinGen & more — plus Sugi Variant's own cross-source analysis. Source data 2026-01–2026-10, ClinVar 2026-10. Full sources & versions →

Cite Sugi Variant

Gür T. Sugi Variant: A Deterministic Per-Variant Germline Reference from a Knowledge Graph for Humans and AI Agents. 2026. doi:10.5281/zenodo.21509445. This variant: https://sugi.bio/variant/tmpo-p-leu110ile (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown