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HCN4 p.Pro161=

c.483C>G · rs1595837408 · VCV1743471

Likely benign Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 9.48e-05%, nfe)
Conditions
2
Cardiovascular phenotype

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 0.5GERP -2.2, phastCons 0.099
Overall
CADD7.446PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 9.48e-05% European (non-Finnish) · 1/1,054,568 alleles
Overall 7.47e-05% 1/1,338,868 alleles · very rare exomes 1/1,187,752 · genomes 0/151,116 · joint denominator

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
HCN4
Protein
p.Pro161=
Coding
c.483C>G
MANE Select
NM_005477
dbSNP
rs1595837408
Type
single nucleotide variant
Location
chr15:73367788 (GRCh38)
Gene constraint
LOEUF 0.571 · pLI 0.15 (gnomAD)
Structure
AlphaFold pLDDT 61.86 · 8 PDB
Residue 161
the 'disordered' region
Full HCN4 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/hcn4-p-pro161 (accessed [today's date]).

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