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ERAP1 p.Leu646=

c.1938C>T · rs76598089 · VCV715716

Benign Single submitter
Classification
Benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
low-frequency (popmax 1.24%, 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 0.091GERP -3.4, phastCons 0.07
Overall
CADD7.182PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 1.24% African / African-American · 932/74,992 alleles
Filtering AF 1.18% ClinGen BA1/BS1 input FAF95, joint · FAF99 1.15%
Overall 0.068% 1,098/1,614,026 alleles · low-frequency
Ancestry group Frequency 1 in
African / African-Americangrpmax 1.24% 80
Middle Eastern 0.115% 866
Remaining individualsnot grpmax-eligible 0.114% 880
Admixed American 0.0866% 1,154
East Asian 0.0134% 7,481
European (non-Finnish) 0.00254% 39,331

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
ERAP1
Protein
p.Leu646=
Coding
c.1938C>T
MANE Select
NM_001040458
dbSNP
rs76598089
Type
single nucleotide variant
Location
chr5:96785793 (GRCh38)
Gene constraint
LOEUF 0.947 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 92.78 · 27 PDB
Residue 646
an α-helix
Full ERAP1 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/erap1-p-leu646 (accessed [today's date]).

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