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PRPF31 p.Pro335=

c.1005G>A · rs1404983988 · VCV2975021

Likely benign Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00676%, 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 -11GERP -2.5
Overall
CADD0.109PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00676% African / African-American · 5/73,946 alleles
Filtering AF 0.00258% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00163%
Overall 0.00161% 25/1,554,776 alleles · very rare
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.00676% 14,789
Remaining individualsnot grpmax-eligible 0.00332% 30,088
Admixed American 0.00196% 51,040
European (non-Finnish) 0.00139% 71,858
South Asian 0.00118% 84,596

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
PRPF31
Protein
p.Pro335=
Coding
c.1005G>A
MANE Select
NM_015629
dbSNP
rs1404983988
Type
single nucleotide variant
Location
chr19:54128132 (GRCh38)
Gene constraint
LOEUF 0.347 · pLI 1.00 (gnomAD)
Structure
AlphaFold pLDDT 77.69 · 30 PDB
Residue 335
the 'disordered' region; an α-helix
Full PRPF31 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/prpf31-p-pro335 (accessed [today's date]).

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