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SALL1 p.Pro664=

c.1992G>A · rs754352358 · VCV3048586

Benign Single submitter
Classification
Benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
rare (popmax 0.283%, eas)
Conditions
1
Townes-Brocks syndrome

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 -8.5GERP -4.2
Overall
CADD0.501PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.283% East Asian · 127/44,866 alleles
Filtering AF 0.243% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.228%
Overall 0.011% 177/1,614,144 alleles · rare exomes 166/1,461,856 · genomes 11/152,288 · joint denominator
Ancestry group Frequency 1 in
East Asiangrpmax 0.283% 353
Admixed American 0.0233% 4,288
Middle Eastern 0.0165% 6,062
Remaining individualsnot grpmax-eligible 0.0128% 7,812
African / African-American 0.00266% 37,524
European (non-Finnish) 0.00195% 51,306
Finnishnot grpmax-eligible 0.00156% 63,994
South Asian 0.0011% 91,088

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
SALL1
Protein
p.Pro664=
Coding
c.1992G>A
MANE Select
NM_002968
dbSNP
rs754352358
Type
single nucleotide variant
Location
chr16:51140230 (GRCh38)
Gene constraint
LOEUF 0.228 · pLI 1.00 · ClinGen HI 1/3 (gnomAD)
Structure
AlphaFold pLDDT 49.54
Full SALL1 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/sall1-p-pro664 (accessed [today's date]).

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