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NOS1 p.Ser89=

c.267T>C · rs1593028359 · VCV741614

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Absent
absent from gnomAD v4.1

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 -15GERP -4.6
Overall
CADD0.051PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.

Variant & gene context

Gene
NOS1
Protein
p.Ser89=
Coding
c.267T>C
MANE Select
NM_000620
dbSNP
rs1593028359
Type
single nucleotide variant
Location
chr12:117330803 (GRCh38)
Structure
AlphaFold pLDDT 61.90 · 1 PDB
Residue 89
the 'disordered' region
Full NOS1 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/nos1-p-ser89 (accessed [today's date]).

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