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RET p.Ala883=

c.2649T>A · rs2132960541 · VCV1087630

Likely benign Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 8.47e-05%, nfe)
Conditions
2
hereditary neoplastic syndrome

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 -9.1GERP -4.3
Overall
CADD1.435PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 8.47e-05% European (non-Finnish) · 1/1,180,010 alleles
Overall 6.84e-05% 1/1,461,708 alleles · very rare

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
RET
Protein
p.Ala883=
Coding
c.2649T>A
MANE Select
NM_020975
dbSNP
rs2132960541
Type
single nucleotide variant
Location
chr10:43120122 (GRCh38)
Gene constraint
LOEUF 0.24 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Structure
AlphaFold pLDDT 79.27 · 34 PDB
Residue 883
a UniProt-annotated variant site (in men2b; somatic mutation in sporadic medullary thyroid carcinoma; requires 2 nucleotide substitutions); a β-strand; the protein kinase domain
Full RET 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/ret-p-ala883 (accessed [today's date]).

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