TRPS1 p.Ser623=
c.1869G>A · rs751550383 · VCV1221724
Benign/Likely benign
Multiple submitters
Classification
Benign/Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00223%, eas)
Conditions
1
trichorhinophalangeal syndrome type I
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 -11 | GERP -5.7 |
| Overall | ||
| CADD | 0.254 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00223%
East Asian · 1/44,878 alleles
Filtering AF
0.000615%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000474%
Overall
0.000867%
14/1,613,894 alleles · very rare
exomes 12/1,461,782 · genomes 2/152,112 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| East Asiangrpmax | 0.00223% | 44,878 |
| European (non-Finnish) | 0.0011% | 90,768 |
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
- TRPS1
- Protein
- p.Ser623=
- Coding
- c.1869G>A
- MANE Select
- NM_014112
- dbSNP
- rs751550383
- Type
- single nucleotide variant
- Location
- chr8:115604100 (GRCh38)
- Gene constraint
- LOEUF 0.114 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
- Structure
- AlphaFold pLDDT 49.12
Similar variants
- TRPS1 c.2097-2A>C Pathogenic/Likely pathogenic ★★ same condition
- TRPS1 p.Ala932Thr Pathogenic/Likely pathogenic ★★ same condition
- TRPS1 p.Ala932Val Pathogenic ★★ same condition
- TRPS1 p.Arg257Ter Pathogenic ★★ same condition
- TRPS1 p.Arg544Ter Pathogenic ★★ same condition
- TRPS1 p.Arg624Ter Pathogenic ★★ same condition
- TRPS1 p.Arg696Ter Pathogenic ★★ same condition
- TRPS1 p.Arg921Gln 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/trps1-p-ser623 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown