Is TERF2IP p.Arg100Trp (c.298C>T) pathogenic?

TERF2IP p.Arg100Trp (c.298C>T) is classified Uncertain significance in TERF2IP (ClinVar, Single submitter, 1 submitter; last evaluated 2021-12-08). AlphaMissense: ambiguous (0.4242); Very rare (popmax 8.66e-05%, nfe).

How common is TERF2IP p.Arg100Trp (c.298C>T) in the general population?

TERF2IP p.Arg100Trp (c.298C>T) is very rare (popmax 8.66e-05%, nfe) (gnomAD).

What do computational predictors say about TERF2IP p.Arg100Trp (c.298C>T)?

AlphaMissense predicts ambiguous (score 0.4242) — an in-silico prediction, not a clinical call.

TERF2IP p.Arg100Trp

c.298C>T · rs1379021647 · VCV1798495

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

ambiguous

0.4242 · ACMG-weighted

gnomAD v4.1

Rare

very rare (popmax 8.66e-05%, nfe)

Missense predictors

1/2 damaging

REVEL, SaProt · AlphaMissense no call

Computational evidence

Protein change
AlphaMissense	0.4242	ambiguous
REVEL	0.222	benign-leaning
SaProt	LLR -12.61	damaging
⇒ SaProt calls this damaging; REVEL does not; AlphaMissense makes no call.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 2.6	GERP 0.95, phastCons 0.99
Regional constraint	o/e 1.11	unconstrained · MANE · 8,725 bp · p 0.011 · regional, not allelic
Overall
CADD	21.7	PHRED · no single calibrated threshold — expert panels disagree

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

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 8.66e-05% European (non-Finnish) · 1/1,154,432 alleles

Overall 7.11e-05% 1/1,407,016 alleles · very rare

Rarity supports pathogenicity (ACMG PM2); frequency above a disease-specific BA1/BS1 threshold argues against it. A variant frequent in one ancestry group can be near-absent in others, so a single global figure can mislead.

Variant & gene context

Gene: TERF2IP
Protein: p.Arg100Trp
Coding: c.298C>T
MANE Select: NM_018975
dbSNP: rs1379021647
Type: single nucleotide variant
Location: chr16:75648180 (GRCh38)
Gene constraint: LOEUF 1.45 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 72.76 · 5 PDB
Residue 100: the brct domain

Full TERF2IP gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

TERF2IP p.Arg100Gln Uncertain significance ★ ⚠ same residue
TERF2IP p.Arg100= Likely benign ★ same residue
TERF2IP p.Ala123Gly Uncertain significance ★★ ⚠ same type
TERF2IP p.Ala200Gly Uncertain significance ★★ ⚠ same type
TERF2IP p.Ala387Val Uncertain significance ★★ ⚠ same type
TERF2IP p.Ala61Thr Uncertain significance ★★ ⚠ same type
TERF2IP p.Ala65Thr Uncertain significance ★★ ⚠ same type
TERF2IP p.Arg133Gln 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/terf2ip-p-arg100trp (accessed [today's date]).

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