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SLC5A2 p.Pro277=

c.831C>T · VCV4929662

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.000424%, 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
ConservationphyloP -9.8GERP -3.7
Overall
CADD1.18PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.000424% European (non-Finnish) · 5/1,179,948 alleles
Filtering AF 0.000124% ClinGen BA1/BS1 input FAF95, joint · FAF99 9e-05%
Overall 0.00031% 5/1,613,072 alleles · very rare exomes 5/1,460,702 · genomes 0/152,370 · joint denominator

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
SLC5A2
Protein
p.Pro277=
Coding
c.831C>T
MANE Select
NM_003041
Type
single nucleotide variant
Location
chr16:31487705 (GRCh38)
Gene constraint
LOEUF 1.21 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 84.32 · 12 PDB
Full SLC5A2 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/slc5a2-p-pro277 (accessed [today's date]).

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