Is CEP57 p.Asn449= (c.1347C>T) pathogenic?

CEP57 p.Asn449= (c.1347C>T) is classified Likely benign in CEP57 (ClinVar, Multiple submitters, 2 submitters; last evaluated 2025-06-10). Very rare (popmax 0.00401%, afr); Associated with Inborn genetic diseases.

What condition is associated with CEP57 p.Asn449= (c.1347C>T)?

CEP57 p.Asn449= (c.1347C>T) is associated with Inborn genetic diseases, mosaic variegated aneuploidy syndrome 2 (ClinVar).

How common is CEP57 p.Asn449= (c.1347C>T) in the general population?

CEP57 p.Asn449= (c.1347C>T) is very rare (popmax 0.00401%, afr) (gnomAD).

CEP57 p.Asn449=

c.1347C>T · rs749878218 · VCV1907466

Likely benign Multiple submitters

Classification

Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 2 submitters

gnomAD v4.1

Rare

very rare (popmax 0.00401%, afr)

Conditions

Inborn genetic diseases

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP -0.9	GERP -0.99, phastCons 0.003
Overall
CADD	4.965	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00401% African / African-American · 3/74,868 alleles

Filtering AF 0.00106% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000495%

Overall 0.000186% 3/1,613,178 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: CEP57
Protein: p.Asn449=
Coding: c.1347C>T
MANE Select: NM_014679
dbSNP: rs749878218
Type: single nucleotide variant
Location: chr11:95831100 (GRCh38)
Gene constraint: LOEUF 0.74 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 76.32 · 3 PDB
Residue 449: the 'mediates interaction with microtubules' region; the 'disordered' region

Full CEP57 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

Also linked: mosaic variegated aneuploidy syndrome 2

Similar variants

CEP57 p.Asn449Asp Uncertain significance ★ ⚠ same residue
CEP57 p.Asn449Ser Uncertain significance ★ same residue
CEP57 p.Arg339Ter Pathogenic ★★ same condition
CEP57 c.202+6C>T Uncertain significance ★★ same condition
CEP57 p.Ala19Gly Uncertain significance ★★ ⚠ same condition
CEP57 p.Ala278Thr Uncertain significance ★★ ⚠ same condition
CEP57 p.Ala278Val Uncertain significance ★★ ⚠ same condition
CEP57 p.Ala412Thr 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/cep57-p-asn449 (accessed [today's date]).

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