Send feedback

NSD1 p.Arg74=

c.222A>G · rs201780407 · VCV1618913

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.0039%, nfe)

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 9.4GERP 2.8, phastCons 1
Overall
CADD13.78PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0039% European (non-Finnish) · 46/1,178,808 alleles
Filtering AF 0.00299% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00267%
Overall 0.00316% 51/1,612,632 alleles · very rare exomes 48/1,460,518 · genomes 3/152,114 · joint denominator
Ancestry group Frequency 1 in
European (non-Finnish)grpmax 0.0039% 25,626
Remaining individualsnot grpmax-eligible 0.0032% 31,221
African / African-American 0.00267% 37,433
Admixed American 0.00167% 59,982

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
NSD1
Protein
p.Arg74=
Coding
c.222A>G
MANE Select
NM_022455
dbSNP
rs201780407
Type
single nucleotide variant
Location
chr5:177135325 (GRCh38)
Gene constraint
LOEUF 0.144 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Structure
AlphaFold pLDDT 45.26 · 4 PDB
Full NSD1 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/nsd1-p-arg74 (accessed [today's date]).

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