Send feedback

CEL p.Ala21Ser

c.61G>T · rs558100781 · VCV1200172

Benign/Likely benign Multiple submitters
Classification
Benign/Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 3 submitters
gnomAD v4.1
Rare
low-frequency (popmax 1.2%, afr)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL0.238benign-leaning
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP 7GERP 1.7, phastCons 1
Regional constrainto/e 0.12constrained · MANE · 60 bp · p 7.3e-06 · regional, not allelic
Overall
CADD21.3PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 1.2% African / African-American · 873/72,660 alleles
Filtering AF 1.14% ClinGen BA1/BS1 input FAF95, joint · FAF99 1.11%
Overall 0.0671% 1,036/1,543,950 alleles · low-frequency
Ancestry group Frequency 1 in
African / African-Americangrpmax 1.2% 83
Admixed American 0.124% 807
Remaining individualsnot grpmax-eligible 0.0771% 1,297
European (non-Finnish) 0.00473% 21,158

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
CEL
Protein
p.Ala21Ser
Coding
c.61G>T
MANE Select
NM_001807
dbSNP
rs558100781
Type
single nucleotide variant
Location
chr9:133062063 (GRCh38)
Gene constraint
LOEUF 0.972 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 84.10 · 7 PDB
Residue 21
the 'heparin-binding' region
Full CEL 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/cel-p-ala21ser (accessed [today's date]).

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