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CTSH p.Asn70=

c.210T>C · rs138419720 · VCV736888

Benign Single submitter
Classification
Benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
rare (popmax 0.339%, afr)

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 -0.66GERP -4.9
Overall
CADD0.736PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.339% African / African-American · 254/74,938 alleles
Filtering AF 0.305% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.291%
Overall 0.0168% 271/1,613,264 alleles · rare
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.339% 295
Middle Eastern 0.0166% 6,022
Remaining individualsnot grpmax-eligible 0.0144% 6,939
Admixed American 0.0117% 8,570

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
CTSH
Protein
p.Asn70=
Coding
c.210T>C
MANE Select
NM_004390
dbSNP
rs138419720
Type
single nucleotide variant
Location
chr15:78937337 (GRCh38)
Gene constraint
LOEUF 1.267 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 94.30 · 2 PDB
Full CTSH 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/ctsh-p-asn70 (accessed [today's date]).

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