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PPCS p.Pro107=

c.321T>C · rs370023020 · VCV1941548

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.000848%, nfe)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI—not looked up on this page · why
Constraint at this position
ConservationphyloP -0.91GERP -2.4
Overall
CADD9.847PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.000848% European (non-Finnish) · 10/1,179,900 alleles
Filtering AF 0.000429% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000312%
Overall 0.00062% 10/1,612,702 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
PPCS
Protein
p.Pro107=
Coding
c.321T>C
MANE Select
NM_001395517 · reported on NM_024664
dbSNP
rs370023020
Type
single nucleotide variant
Location
chr1:42456886 (GRCh38)
Full PPCS gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

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/ppcs-p-pro107 (accessed [today's date]).

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