Is INTS1 p.Cys1433Phe (c.4298G>T) pathogenic?

INTS1 p.Cys1433Phe (c.4298G>T) is classified Uncertain significance in INTS1 (ClinVar, Single submitter, 1 submitter; last evaluated 2025-06-18). AlphaMissense: likely pathogenic (0.5936); No allele count reported in gnomAD v4.1 (AN 1,579,218); Associated with Inborn genetic diseases.

What condition is associated with INTS1 p.Cys1433Phe (c.4298G>T)?

INTS1 p.Cys1433Phe (c.4298G>T) is associated with Inborn genetic diseases (ClinVar).

How common is INTS1 p.Cys1433Phe (c.4298G>T) in the general population?

INTS1 p.Cys1433Phe (c.4298G>T) is no allele count reported in gnomAD v4.1 (AN 1,579,218) (gnomAD).

What do computational predictors say about INTS1 p.Cys1433Phe (c.4298G>T)?

AlphaMissense predicts likely pathogenic (score 0.5936) — an in-silico prediction, not a clinical call.

INTS1 p.Cys1433Phe

c.4298G>T · VCV4275848

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.5936 · ACMG-weighted

gnomAD v4.1

Not reported

no allele count reported in gnomAD v4.1 (AN 1,579,218)

Missense predictors

2/3 damaging

AlphaMissense, REVEL, SaProt

Conditions

Inborn genetic diseases

Computational evidence

Protein change
AlphaMissense	0.5936	likely pathogenic
REVEL	0.726	pathogenic-leaning
SaProt	LLR -5.55	tolerated
⇒ AlphaMissense and REVEL call this damaging; SaProt does not.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 7.5	GERP 1.4, phastCons 1
Regional constraint	o/e 1.09	unconstrained · MANE · 12 kb · p 0.001 · regional, not allelic
Overall
CADD	25.7	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

No allele count reported in gnomAD v4.1 (AN 1,579,218). This is missing data, not an absence: the variant may or may not be present in gnomAD. Rarity (ACMG PM2) and BA1/BS1 cannot be assessed for it.

Variant & gene context

Gene: INTS1
Protein: p.Cys1433Phe
Coding: c.4298G>T
MANE Select: NM_001080453
Type: single nucleotide variant
Location: chr7:1479461 (GRCh38)
Gene constraint: LOEUF 0.785 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 75.49 · 8 PDB
Residue 1433: an α-helix

Full INTS1 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Inborn genetic diseases — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

INTS1 p.Cys1433Ser Uncertain significance ★ ⚠ same residue
INTS1 c.1283+5G>A Uncertain significance ★★ same condition
INTS1 c.2977-5C>T Uncertain significance ★★ same condition
INTS1 p.Ala1505Val Uncertain significance ★★ ⚠ same condition
INTS1 p.Ala1854Val Uncertain significance ★★ ⚠ same condition
INTS1 p.Ala2155Val Uncertain significance ★★ ⚠ same condition
INTS1 p.Ala2175Thr Uncertain significance ★★ ⚠ same condition
INTS1 p.Ala4Thr Uncertain significance ★★ ⚠ same condition

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/ints1-p-cys1433phe (accessed [today's date]).

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