MARS2 p.Ser16=
c.48T>C · rs2468940364 · VCV3039688
Likely benign
No assertion criteria
Classification
Likely benign
ClinVar
Review
No assertion criteria ☆☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00223%, eas)
Conditions
1
MARS2-related disorder
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 -2 | GERP -3.6 |
| Overall | ||
| CADD | 4.954 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00223%
East Asian · 1/44,876 alleles
Filtering AF
0.000183%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00012%
Overall
0.000434%
7/1,612,680 alleles · very rare
exomes 7/1,460,360 · genomes 0/152,320 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| East Asiangrpmax | 0.00223% | 44,876 |
| European (non-Finnish) | 0.000509% | 196,654 |
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
- MARS2
- Protein
- p.Ser16=
- Coding
- c.48T>C
- MANE Select
- NM_138395
- dbSNP
- rs2468940364
- Type
- single nucleotide variant
- Location
- chr2:197705453 (GRCh38)
- Gene constraint
- LOEUF 0.952 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 89.66
Disease context
MARS2-related disorder
Similar variants
- MARS2 p.Gln184Ter Likely pathogenic ★ same condition
- MARS2 p.Ala461= Likely benign same condition
- MARS2 p.Ala141Val Uncertain significance ★★ ⚠ same type
- MARS2 p.Ala402Ser Uncertain significance ★★ ⚠ same type
- MARS2 p.Arg142Trp Uncertain significance ★★ ⚠ same type
- MARS2 p.Arg224Gln Uncertain significance ★★ ⚠ same type
- MARS2 p.Arg409Gly Uncertain significance ★★ ⚠ same type
- MARS2 p.Arg414Ile 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/mars2-p-ser16 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown