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IFT54 p.Ser243=

c.729C>T · rs371436368 · VCV1107097

Likely benign Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0323%, 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 -3.8GERP -2.3
Overall
CADD0.494PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0323% South Asian · 27/83,606 alleles
Filtering AF 0.0227% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0195%
Overall 0.00516% 80/1,549,742 alleles · ultra-rare exomes 74/1,398,384 · genomes 6/151,358 · joint denominator
Ancestry group Frequency 1 in
South Asiangrpmax 0.0323% 3,097
Admixed American 0.0104% 9,659
Remaining individualsnot grpmax-eligible 0.01% 9,999
European (non-Finnish) 0.00357% 28,019
Finnishnot grpmax-eligible 0.00165% 60,614

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
IFT54
Protein
p.Ser243=
Coding
c.729C>T
MANE Select
NM_015650
dbSNP
rs371436368
Type
single nucleotide variant
Location
chr2:238329156 (GRCh38)
Structure
AlphaFold pLDDT 61.95 · 2 PDB
Residue 243
the 'abolishes microtubules-binding when missing' region; the 'disordered' region; the 'disc1-interaction domain' region
Full IFT54 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/ift54-p-ser243 (accessed [today's date]).

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