Is REN p.Ser75= (c.225C>T) pathogenic?

REN p.Ser75= (c.225C>T) is classified Likely benign in REN (ClinVar, Single submitter, 1 submitter; last evaluated 2025-04-20). Very rare (popmax 0.00364%, nfe).

How common is REN p.Ser75= (c.225C>T) in the general population?

REN p.Ser75= (c.225C>T) is very rare (popmax 0.00364%, nfe) (gnomAD).

REN p.Ser75=

c.225C>T · rs374481579 · VCV1583166

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Rare

very rare (popmax 0.00364%, nfe)

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 -4.1	GERP -4.4
Overall
CADD	0.813	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00364% European (non-Finnish) · 43/1,180,046 alleles

Filtering AF 0.00275% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00244%

Overall 0.00297% 48/1,614,066 alleles · very rare

Ancestry group	Frequency	1 in
European (non-Finnish)grpmax	0.00364%	27,443
Remaining individualsnot grpmax-eligible	0.0032%	31,239
Admixed American	0.00167%	60,000
Finnishnot grpmax-eligible	0.00156%	64,038
South Asian	0.0011%	91,072

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: REN
Protein: p.Ser75=
Coding: c.225C>T
MANE Select: NM_001363642 · reported on NM_000537
dbSNP: rs374481579
Type: single nucleotide variant
Location: chr1:204162037 (GRCh38)
Structure: AlphaFold pLDDT 85.00

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

Similar variants

REN c.249+1G>A Pathogenic/Likely pathogenic ★★ same type
REN p.Arg49Ter Pathogenic/Likely pathogenic ★★ same type
REN p.Lys139Ter Pathogenic ★★ same type
REN p.Ala182Thr Uncertain significance ★★ ⚠ same type
REN p.Arg119Cys Uncertain significance ★★ ⚠ same type
REN p.Arg119His Uncertain significance ★★ ⚠ same type
REN p.Arg148His Uncertain significance ★★ ⚠ same type
REN p.Arg387Gln 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/ren-p-ser75 (accessed [today's date]).

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