ITGAM p.Glu278=
c.834G>A · rs558241802 · VCV1602057
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0213%, afr)
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 -0.089 | GERP -4.6 |
| Overall | ||
| CADD | 2.535 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0213%
African / African-American · 16/75,026 alleles
Filtering AF
0.0133%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0109%
Overall
0.000991%
16/1,613,758 alleles · ultra-rare
exomes 5/1,461,496 · genomes 11/152,262 · joint denominator
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
- ITGAM
- Protein
- p.Glu278=
- Coding
- c.834G>A
- MANE Select
- NM_000632
- dbSNP
- rs558241802
- Type
- single nucleotide variant
- Location
- chr16:31273494 (GRCh38)
- Gene constraint
- LOEUF 0.678 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 86.30 · 31 PDB
- Residue 278
- the vwfa domain
Similar variants
- ITGAM c.704+5G>A Uncertain significance ★★ same type
- ITGAM p.Ala31Thr Uncertain significance ★★ ⚠ same type
- ITGAM p.Ala433Val Uncertain significance ★★ ⚠ same type
- ITGAM p.Ala753Val Uncertain significance ★★ ⚠ same type
- ITGAM p.Ala943Val Uncertain significance ★★ ⚠ same type
- ITGAM p.Arg1003His Uncertain significance ★★ ⚠ same type
- ITGAM p.Arg131Trp Uncertain significance ★★ ⚠ same type
- ITGAM p.Arg224Trp 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/itgam-p-glu278 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown