Is C8A p.Thr160Ile (c.479C>T) pathogenic?

C8A p.Thr160Ile (c.479C>T) is classified Uncertain significance in C8A (ClinVar, Single submitter, 1 submitter; last evaluated 2022-03-26). AlphaMissense: ambiguous (0.4217); Absent from gnomAD v4.1.

How common is C8A p.Thr160Ile (c.479C>T) in the general population?

C8A p.Thr160Ile (c.479C>T) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about C8A p.Thr160Ile (c.479C>T)?

AlphaMissense predicts ambiguous (score 0.4217) — an in-silico prediction, not a clinical call.

C8A p.Thr160Ile

c.479C>T · rs1346687933 · VCV2117065

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

ambiguous

0.4217 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Computational evidence

Protein change
AlphaMissense	0.4217	ambiguous
REVEL	0.609	indeterminate
SaProt	LLR -8.83	tolerated
Splicing
SpliceAI	<0.2	no splice effect predicted · four deltas, not one · how we know
Constraint at this position
Conservation	phyloP 2.1	GERP 2, phastCons 0.99
Regional constraint	o/e 1.08	unconstrained · MANE · 63 kb · p 0.034 · regional, not allelic
Overall
CADD	23.1	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

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: C8A
Protein: p.Thr160Ile
Coding: c.479C>T
MANE Select: NM_000562
dbSNP: rs1346687933
Type: single nucleotide variant
Location: chr1:56881459 (GRCh38)
Gene constraint: LOEUF 1.168 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 79.58 · 11 PDB
Residue 160: a turn; the macpf domain

Full C8A gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

C8A p.Thr160= Likely benign ★★ same residue
C8A p.Thr160Ala Uncertain significance ★ ⚠ same residue
C8A p.Arg424Ter Pathogenic ★★ same type
C8A p.Arg498Ter Pathogenic/Likely pathogenic ★★ same type
C8A p.Glu466Ter Pathogenic ★★ same type
C8A p.Tyr210Ter Pathogenic/Likely pathogenic ★★ same type
C8A p.Tyr384Ter Pathogenic/Likely pathogenic ★★ same type
C8A p.Arg107Cys 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/c8a-p-thr160ile (accessed [today's date]).

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