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CSDE1 p.Asn149=

c.447C>T · VCV4821559

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0231%, sas)

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 -1.8GERP -4.7
Overall
CADD0.927PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0231% South Asian · 21/90,964 alleles
Filtering AF 0.0154% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0129%
Overall 0.00254% 41/1,612,734 alleles · ultra-rare
Ancestry group Frequency 1 in
South Asiangrpmax 0.0231% 4,332
East Asian 0.0111% 8,972
Admixed American 0.00834% 11,996
African / African-American 0.00267% 37,428
Remaining individualsnot grpmax-eligible 0.0016% 62,402
European (non-Finnish) 0.000594% 168,483

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
CSDE1
Protein
p.Asn149=
Coding
c.447C>T
MANE Select
NM_001007553
Type
single nucleotide variant
Location
chr1:114736811 (GRCh38)
Gene constraint
LOEUF 0.295 · pLI 1.00 (gnomAD)
Structure
AlphaFold pLDDT 80.05 · 5 PDB
Residue 149
the csd 2; truncated domain
Full CSDE1 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/csde1-p-asn149 (accessed [today's date]).

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