Is INTS1 p.Ala272Val (c.815C>T) pathogenic?

INTS1 p.Ala272Val (c.815C>T) is classified Likely benign in INTS1 (ClinVar, Single submitter, 2 submitters; last evaluated 2025-03-08). AlphaMissense: likely benign (0.069); Ultra-rare (popmax 0.0171%, mid); Associated with Inborn genetic diseases.

What condition is associated with INTS1 p.Ala272Val (c.815C>T)?

INTS1 p.Ala272Val (c.815C>T) is associated with Inborn genetic diseases (ClinVar).

How common is INTS1 p.Ala272Val (c.815C>T) in the general population?

INTS1 p.Ala272Val (c.815C>T) is ultra-rare (popmax 0.0171%, mid) (gnomAD).

What do computational predictors say about INTS1 p.Ala272Val (c.815C>T)?

AlphaMissense predicts likely benign (score 0.069) — an in-silico prediction, not a clinical call.

INTS1 p.Ala272Val

c.815C>T · VCV3860736

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 2 submitters

AlphaMissense

likely benign

0.069 · ACMG-weighted

gnomAD v4.1

Rare

ultra-rare (popmax 0.0171%, mid)

Missense predictors

0/3 damaging

AlphaMissense, REVEL, SaProt

Conditions

Inborn genetic diseases

Computational evidence

Protein change
AlphaMissense	0.069	likely benign
REVEL	0.03	moderately benign-leaning
SaProt	LLR -7.31	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 -0.14	GERP -2.1
Regional constraint	o/e 0.96	unconstrained · MANE · 21 kb · p 0.12 · regional, not allelic
Overall
CADD	0.354	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 0.0171% Middle Eastern · 1/5,864 alleles

Filtering AF 0.00434% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00395%

Overall 0.00463% 73/1,577,584 alleles · ultra-rare exomes 61/1,430,312 · genomes 12/147,272 · joint denominator

Ancestry group	Frequency	1 in
Middle Easterngrpmax	0.0171%	5,864
Remaining individualsnot grpmax-eligible	0.00662%	15,105
European (non-Finnish)	0.00544%	18,395
Ashkenazi Jewishnot grpmax-eligible	0.00351%	28,470
Admixed American	0.00346%	28,884
East Asian	0.00237%	42,190
African / African-American	0.00137%	72,950

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: INTS1
Protein: p.Ala272Val
Coding: c.815C>T
MANE Select: NM_001080453
Type: single nucleotide variant
Location: chr7:1499502 (GRCh38)
Gene constraint: LOEUF 0.785 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 75.49 · 8 PDB

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.Ala272Thr Uncertain significance ★ ⚠ same residue
INTS1 p.Ala272= Likely benign ★ 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

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-ala272val (accessed [today's date]).

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