Is ELANE p.Ser126Trp (c.377C>G) pathogenic?

ELANE p.Ser126Trp (c.377C>G) is classified Conflicting classifications of pathogenicity in ELANE (ClinVar, Conflicting submitters, 2 submitters; last evaluated 2022-12-31). AlphaMissense: ambiguous (0.3597); Absent from gnomAD v4.1; Associated with neutropenia, severe congenital, 1, autosomal dominant.

What condition is associated with ELANE p.Ser126Trp (c.377C>G)?

ELANE p.Ser126Trp (c.377C>G) is associated with neutropenia, severe congenital, 1, autosomal dominant, cyclic neutropenia (ClinVar).

How common is ELANE p.Ser126Trp (c.377C>G) in the general population?

ELANE p.Ser126Trp (c.377C>G) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about ELANE p.Ser126Trp (c.377C>G)?

AlphaMissense predicts ambiguous (score 0.3597) — an in-silico prediction, not a clinical call.

ELANE p.Ser126Trp

Q: How is Autosomal dominant severe congenital neutropenia inherited?

Typically Autosomal dominant (Orphanet). A genetic counselor can assess individual risk for a family.

c.377C>G · rs137854450 · VCV1452300

Conflicting classifications of pathogenicity Conflicting submitters

Classification

Conflicting classifications of pathogenicity

ClinVar

Review

Conflicting submitters ★☆☆☆

ClinVar · 2 submitters

AlphaMissense

ambiguous

0.3597 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Conditions

neutropenia, severe congenital, 1, autosomal dominant

Computational evidence

Protein change
AlphaMissense	0.3597	ambiguous
REVEL	0.582	indeterminate
SaProt	LLR -10.34	damaging
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 0.68	GERP -0.35
Regional constraint	o/e 1.04	unconstrained · MANE · 3,171 bp · p 0.52 · regional, not allelic
Overall
CADD	20.9	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: ELANE
Protein: p.Ser126Trp
Coding: c.377C>G
MANE Select: NM_001972
dbSNP: rs137854450
Type: single nucleotide variant
Location: chr19:855574 (GRCh38)
Gene constraint: LOEUF 1.245 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 88.42 · 38 PDB
Residue 126: the peptidase s1 domain; a UniProt-annotated variant site (in scn1 and ch)

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

Disease context

neutropenia, severe congenital, 1, autosomal dominant — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Also linked: cyclic neutropenia

For Autosomal dominant severe congenital neutropenia (Orphanet):

Inheritance: Autosomal dominant
Onset: Infancy, Neonatal
Prevalence: <1 / 1 000 000 (Europe)

Similar variants

ELANE p.Ser126= Likely benign ★ same residue
ELANE c.597+1G>A Pathogenic ★★ same condition
ELANE c.597+1G>C Pathogenic ★★ same condition
ELANE c.597+1G>T Pathogenic ★★ same condition
ELANE c.597+5G>A Pathogenic/Likely pathogenic ★★ same condition
ELANE p.Ala57Thr Pathogenic/Likely pathogenic ★★ same condition
ELANE p.Ala61Val Pathogenic/Likely pathogenic ★★ ⚠ same condition
ELANE p.Arg103Pro Pathogenic/Likely pathogenic ★★ 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/elane-p-ser126trp (accessed [today's date]).

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