Is ADAM17 p.Lys296= (c.888G>A) pathogenic?

ADAM17 p.Lys296= (c.888G>A) is classified Likely benign in ADAM17 (ClinVar, Single submitter, 1 submitter; last evaluated 2022-05-14). Very rare (popmax 0.00329%, sas); Associated with inflammatory skin and bowel disease, neonatal, 1.

What condition is associated with ADAM17 p.Lys296= (c.888G>A)?

ADAM17 p.Lys296= (c.888G>A) is associated with inflammatory skin and bowel disease, neonatal, 1 (ClinVar).

How common is ADAM17 p.Lys296= (c.888G>A) in the general population?

ADAM17 p.Lys296= (c.888G>A) is very rare (popmax 0.00329%, sas) (gnomAD).

ADAM17 p.Lys296=

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.888G>A · rs1415492345 · VCV1934340

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Rare

very rare (popmax 0.00329%, sas)

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	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 1.1	GERP 1.2, phastCons 0.59
Overall
CADD	9.734	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00329% South Asian · 3/91,064 alleles

Filtering AF 0.000875% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000443%

Overall 0.000205% 3/1,460,402 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: ADAM17
Protein: p.Lys296=
Coding: c.888G>A
MANE Select: NM_003183
dbSNP: rs1415492345
Type: single nucleotide variant
Location: chr2:9521272 (GRCh38)
Gene constraint: LOEUF 0.565 · pLI 0.10 (gnomAD)
Structure: AlphaFold pLDDT 72.72 · 33 PDB
Residue 296: a disulfide bond; the peptidase m12b domain

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-lys296 (accessed [today's date]).

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