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NIN p.Asp641=

c.1923C>T · rs538981711 · VCV2175750

Benign Single submitter
Classification
Benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
rare (popmax 0.41%, sas)

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 -0.17GERP -3.4, phastCons 0.003
Overall
CADD1.132PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.41% South Asian · 373/91,034 alleles
Filtering AF 0.375% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.362%
Overall 0.0277% 445/1,605,430 alleles · rare exomes 414/1,453,652 · genomes 31/151,778 · joint denominator
Ancestry group Frequency 1 in
South Asiangrpmax 0.41% 244
Remaining individualsnot grpmax-eligible 0.0689% 1,452
Middle Eastern 0.0495% 2,019
East Asian 0.00892% 11,210
Admixed American 0.00667% 14,989
Ashkenazi Jewishnot grpmax-eligible 0.00338% 29,590
European (non-Finnish) 0.00136% 73,723
African / African-American 0.00134% 74,840

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
NIN
Protein
p.Asp641=
Coding
c.1923C>T
MANE Select
NM_020921
dbSNP
rs538981711
Type
single nucleotide variant
Location
chr14:50760333 (GRCh38)
Gene constraint
LOEUF 0.62 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 64.47
Full NIN 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/nin-p-asp641 (accessed [today's date]).

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