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CDC73 p.Arg358Ter

c.1072C>T · rs771907995 · VCV1388879

Pathogenic Single submitter
Classification
Pathogenic
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
Consequence
nonsense (stop-gain)
predicted LoF
gnomAD v4.1
Rare
very rare (popmax 8.58e-05%, nfe)
Conditions
1
parathyroid gland carcinoma

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Consequencenonsense (stop-gain)predicted loss-of-function in a haploinsufficient gene (ClinGen)
NMDpredictedpremature termination codon in exon 13 of 17
REVEL0.058moderately benign-leaning
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP 3.9GERP 1.8, phastCons 1
Overall
CADD40.0PHRED · no single calibrated threshold — expert panels disagree

Predicted loss-of-function is descriptive, not an applied PVS1 code.

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 8.58e-05% European (non-Finnish) · 1/1,165,954 alleles
Overall 0.000139% 2/1,440,832 alleles · very rare
Ancestry group Frequency 1 in
Finnishnot grpmax-eligible 0.00157% 63,542
European (non-Finnish)grpmax 8.58e-05% 1,165,954

Finnish shows a higher raw frequency than the grpmax group above it. gnomAD excludes bottlenecked groups — Finnish, Ashkenazi Jewish, Amish and “Remaining individuals” — from grpmax, because founder effects make their frequencies unrepresentative for filtering. The table is sorted by frequency, so an excluded group can sit above the grpmax row.

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
CDC73
Protein
p.Arg358Ter
Coding
c.1072C>T
MANE Select
NM_024529
dbSNP
rs771907995
Type
single nucleotide variant
Location
chr1:193212395 (GRCh38)
Gene constraint
LOEUF 0.42 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Structure
AlphaFold pLDDT 73.94 · 21 PDB
Residue 358
the 'interaction with polr2a and paf1' region; the 'disordered' region
Full CDC73 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

parathyroid gland carcinoma — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For Parathyroid carcinoma (Orphanet):

Inheritance
Not applicable
Onset
Adult
Prevalence
<1 / 1 000 000 (Europe)

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/cdc73-p-arg358ter (accessed [today's date]).

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