Is ADAM17 p.Ser86= (c.258T>C) pathogenic?

ADAM17 p.Ser86= (c.258T>C) is classified Likely benign in ADAM17 (ClinVar, Single submitter, 1 submitter; last evaluated 2022-09-06). Absent from gnomAD v4.1; Associated with inflammatory skin and bowel disease, neonatal, 1.

What condition is associated with ADAM17 p.Ser86= (c.258T>C)?

ADAM17 p.Ser86= (c.258T>C) is associated with inflammatory skin and bowel disease, neonatal, 1 (ClinVar).

How common is ADAM17 p.Ser86= (c.258T>C) in the general population?

ADAM17 p.Ser86= (c.258T>C) is absent from gnomAD v4.1 (gnomAD).

ADAM17 p.Ser86=

Q: How is Neonatal erythroderma-autoinflammation-inflammatory bowel disease syndrome inherited?

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

c.258T>C · rs2527387811 · VCV1997774

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Absent

absent from gnomAD v4.1

Conditions

inflammatory skin and bowel disease, neonatal, 1

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI	<0.2	all four deltas below 0.2 · A>C here scores Δ0.22 · evaluated, not missing
Constraint at this position
Conservation	phyloP 3.1	GERP 5.6, phastCons 1
Overall
CADD	10.58	PHRED · no single calibrated threshold — expert panels disagree

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: ADAM17
Protein: p.Ser86=
Coding: c.258T>C
MANE Select: NM_003183
dbSNP: rs2527387811
Type: single nucleotide variant
Location: chr2:9536801 (GRCh38)
Gene constraint: LOEUF 0.565 · pLI 0.10 (gnomAD)
Structure: AlphaFold pLDDT 72.72 · 33 PDB

Full ADAM17 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

inflammatory skin and bowel disease, neonatal, 1 — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For Neonatal erythroderma-autoinflammation-inflammatory bowel disease syndrome (Orphanet):

Inheritance: Autosomal recessive
Onset: Infancy, Neonatal

Similar variants

ADAM17 p.Arg651Ter Pathogenic/Likely pathogenic ★★ same condition
ADAM17 p.Ala742Thr Uncertain significance ★★ ⚠ same condition
ADAM17 p.Ala806Pro Uncertain significance ★★ ⚠ same condition
ADAM17 p.Ala806Ser Uncertain significance ★★ ⚠ same condition
ADAM17 p.Arg132Lys Uncertain significance ★★ ⚠ same condition
ADAM17 p.Arg177His Uncertain significance ★★ ⚠ same condition
ADAM17 p.Arg738Cys Uncertain significance ★★ ⚠ same condition
ADAM17 p.Arg813His 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/adam17-p-ser86 (accessed [today's date]).

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