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DEFB105B p.Cys67Phe

c.200G>T · rs751815246 · VCV3081294

Uncertain significance Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00436%, nfe)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL0.498indeterminate
Splicing
SpliceAI<0.2all four deltas below 0.2 · G>A here scores Δ0.26 · evaluated, not missing
PangolinΔ0.23gain · loss 0.00 · SpliceAI below 0.2 · independent
Constraint at this position
ConservationphyloP 8.2GERP 5.1, phastCons 1
Overall
CADD21.5PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00436% European (non-Finnish) · 2/45,826 alleles
Filtering AF 0.000723% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000271%
Overall 0.00252% 2/79,374 alleles · very rare

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
DEFB105B
Protein
p.Cys67Phe
Coding
c.200G>T
MANE Select
NM_001040703
dbSNP
rs751815246
Type
single nucleotide variant
Location
chr8:7489514 (GRCh38)
Structure
AlphaFold pLDDT 72.22
Residue 67
a disulfide bond
Full DEFB105B 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/defb105b-p-cys67phe (accessed [today's date]).

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