Send feedback

CD55 p.Tyr224fs

c.670dup · rs1654921932 · VCV2005054

Pathogenic Single submitter
Classification
Pathogenic
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
Consequence
frameshift
predicted LoF
gnomAD v4.1
Rare
ultra-rare (gnomAD MAF 1.73e-06)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Consequenceframeshiftpredicted loss-of-function
NMDpredictedpremature termination codon in exon 6 of 10
Splicing
SpliceAI—not assessed · substitutions only
Constraint at this position
ConservationphyloP 4.7GERP -0.59, phastCons 1

Predicted loss-of-function is descriptive, not an applied PVS1 code.

Population frequency

dbSNP / gnomAD
Global frequency 0.000173% via dbSNP · ultra-rare

No ancestry breakdown or filtering allele frequency is available for this variant, so BA1/BS1 cannot be assessed from this figure alone.

Variant & gene context

Gene
CD55
Protein
p.Tyr224fs
Coding
c.670dup
MANE Select
NM_000574
dbSNP
rs1654921932
Type
Duplication
Location
chr1:207331110 (GRCh38)
Gene constraint
LOEUF 1.234 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 78.99 · 33 PDB
Residue 224
the sushi 4 domain
Full CD55 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/cd55-p-tyr224fs (accessed [today's date]).

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