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SPEG p.Pro1174=

c.3522C>T · rs376913006 · VCV1610170

Benign Single submitter
Classification
Benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.045%, amr)

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
ConservationphyloP -16GERP -3
Overall
CADD0.676PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.045% Admixed American · 27/60,000 alleles
Filtering AF 0.0317% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0273%
Overall 0.00508% 82/1,613,836 alleles · ultra-rare exomes 74/1,461,642 · genomes 8/152,194 · joint denominator
Ancestry group Frequency 1 in
Admixed Americangrpmax 0.045% 2,222
African / African-American 0.00534% 18,732
European (non-Finnish) 0.00415% 24,082
Remaining individualsnot grpmax-eligible 0.0016% 62,488
South Asian 0.0011% 91,082

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
SPEG
Protein
p.Pro1174=
Coding
c.3522C>T
MANE Select
NM_005876
dbSNP
rs376913006
Type
single nucleotide variant
Location
chr2:219469186 (GRCh38)
Gene constraint
LOEUF 0.514 · pLI <0.01 (gnomAD)
Residue 1174
the 'disordered' region
Full SPEG gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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/speg-p-pro1174 (accessed [today's date]).

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