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EPHB2 p.Ser455=

c.1365G>A · rs200120268 · VCV737959

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0735%, eas)

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 -3.6GERP -5.4
Overall
CADD10.47PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0735% East Asian · 33/44,874 alleles
Filtering AF 0.0538% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.047%
Overall 0.0039% 63/1,614,146 alleles · ultra-rare
Ancestry group Frequency 1 in
East Asiangrpmax 0.0735% 1,360
Admixed American 0.0133% 7,504
South Asian 0.00878% 11,385
African / African-American 0.00133% 75,046
European (non-Finnish) 0.0011% 90,770

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
EPHB2
Protein
p.Ser455=
Coding
c.1365G>A
MANE Select
NM_017449
dbSNP
rs200120268
Type
single nucleotide variant
Location
chr1:22882420 (GRCh38)
Gene constraint
LOEUF 0.265 · pLI 1.00 (gnomAD)
Structure
AlphaFold pLDDT 80.41 · 5 PDB
Residue 455
the fibronectin type-iii 2 domain
Full EPHB2 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/ephb2-p-ser455 (accessed [today's date]).

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