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DROSHA p.Ala1050=

c.3150T>A · rs368428431 · VCV739822

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00267%, 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 0.93GERP 1.7, phastCons 0.98
Overall
CADD9.55PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00267% African / African-American · 2/74,976 alleles
Filtering AF 0.000443% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000166%
Overall 0.000137% 2/1,459,194 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
DROSHA
Protein
p.Ala1050=
Coding
c.3150T>A
MANE Select
NM_001382508
dbSNP
rs368428431
Type
single nucleotide variant
Location
chr5:31429541 (GRCh38)
Gene constraint
LOEUF 0.39 · pLI 1.00 (gnomAD)
Structure
AlphaFold pLDDT 70.94 · 12 PDB
Residue 1050
the rnase iii 1 domain; an α-helix; the 'necessary for interaction with dgcr8 and pri-mirna processing activity' region
Full DROSHA 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/drosha-p-ala1050 (accessed [today's date]).

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