Send feedback

MID1 p.Phe421fs

c.1259dup · VCV4948799

Likely pathogenic Single submitter
Classification
Likely pathogenic
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
Consequence
frameshift
predicted LoF
gnomAD v4.1
Rare
Conditions
1
MID1-related disorder

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Consequenceframeshiftpredicted loss-of-function in a haploinsufficient gene (ClinGen)
NMDpredictedpremature termination codon in exon 7 of 10
Splicing
SpliceAI—not assessed · substitutions only
Constraint at this position
ConservationphyloP 0.35GERP -3.4, phastCons 1

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

Variant & gene context

Gene
MID1
Protein
p.Phe421fs
Coding
c.1259dup
MANE Select
NM_000381
Type
Duplication
Location
chrX:10469722 (GRCh38)
Structure
AlphaFold pLDDT 86.51 · 5 PDB
Residue 421
the fibronectin type-iii domain
Full MID1 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

MID1-related disorder

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/mid1-p-phe421fs (accessed [today's date]).

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