Is SYNCRIP p.Ala374Glu (c.1121C>A) pathogenic?

SYNCRIP p.Ala374Glu (c.1121C>A) is classified Uncertain significance in SYNCRIP (ClinVar, Single submitter, 1 submitter; last evaluated 2025-10-30). AlphaMissense: likely pathogenic (0.9999); Absent from gnomAD v4.1; Associated with SYNCRIP-related neurodevelopmental disorder.

What condition is associated with SYNCRIP p.Ala374Glu (c.1121C>A)?

SYNCRIP p.Ala374Glu (c.1121C>A) is associated with SYNCRIP-related neurodevelopmental disorder (ClinVar).

How common is SYNCRIP p.Ala374Glu (c.1121C>A) in the general population?

SYNCRIP p.Ala374Glu (c.1121C>A) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about SYNCRIP p.Ala374Glu (c.1121C>A)?

AlphaMissense predicts likely pathogenic (score 0.9999) — an in-silico prediction, not a clinical call.

SYNCRIP p.Ala374Glu

c.1121C>A · VCV4681196

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.9999 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

3/3 damaging

AlphaMissense, REVEL, SaProt

Conditions

SYNCRIP-related neurodevelopmental disorder

Computational evidence

Protein change
AlphaMissense	0.9999	likely pathogenic · top 5% in SYNCRIP
REVEL	0.862	moderately pathogenic-leaning
SaProt	LLR -17.77	damaging
⇒ AlphaMissense, REVEL and SaProt all call this damaging.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 12	GERP 2.4, phastCons 1
Regional constraint	o/e 0.34	constrained · MANE · 3,768 bp · p 3.9e-16 · regional, not allelic
Overall
CADD	32.0	PHRED · no single calibrated threshold — expert panels disagree

ClinVar classifies this uncertain; the computational predictors unanimously lean damaging — 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: SYNCRIP
Protein: p.Ala374Glu
Coding: c.1121C>A
MANE Select: NM_006372
Type: single nucleotide variant
Location: chr6:85619305 (GRCh38)
Gene constraint: LOEUF 0.249 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Structure: AlphaFold pLDDT 70.83 · 4 PDB
Residue 374: the rrm 3 domain; a β-strand

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

Disease context

SYNCRIP-related neurodevelopmental disorder — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

SYNCRIP p.Gly505Val Uncertain significance ★ ⚠ same condition
SYNCRIP p.Pro437Ser Uncertain significance ★ ⚠ same condition
SYNCRIP p.Tyr456Ter Uncertain significance ★ same condition
SYNCRIP p.Gln492fs Pathogenic ★ same condition
SYNCRIP p.Ala216Thr Uncertain significance ★★ same type
SYNCRIP p.Asn243Ser Uncertain significance ★★ ⚠ same type
SYNCRIP p.Pro440Leu Uncertain significance ★★ ⚠ same type
SYNCRIP p.Pro508Leu 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/syncrip-p-ala374glu (accessed [today's date]).

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