Is KCNC3 p.Pro61= (c.183C>G) pathogenic?

KCNC3 p.Pro61= (c.183C>G) is classified Likely benign in KCNC3 (ClinVar, Single submitter, 1 submitter; last evaluated 2026-03-01). No allele count reported in gnomAD v4.1 (AN 954,484).

How common is KCNC3 p.Pro61= (c.183C>G) in the general population?

KCNC3 p.Pro61= (c.183C>G) is no allele count reported in gnomAD v4.1 (AN 954,484) (gnomAD).

KCNC3 p.Pro61=

c.183C>G · VCV4821606

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Not reported

no allele count reported in gnomAD v4.1 (AN 954,484)

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
Conservation	phyloP 1.5	GERP -0.68, phastCons 0.99
Overall
CADD	12.66	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

No allele count reported in gnomAD v4.1 (AN 954,484). This is missing data, not an absence: the variant may or may not be present in gnomAD. Rarity (ACMG PM2) and BA1/BS1 cannot be assessed for it.

Variant & gene context

Gene: KCNC3
Protein: p.Pro61=
Coding: c.183C>G
MANE Select: NM_004977
Type: single nucleotide variant
Location: chr19:50328900 (GRCh38)
Gene constraint: LOEUF 0.654 · pLI 0.30 (gnomAD)
Structure: AlphaFold pLDDT 66.01
Residue 61: the 'disordered' region; the 'important for normal n-type inactivation' region

Full KCNC3 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

KCNC3 p.Pro61His Uncertain significance ★ ⚠ same residue
KCNC3 p.Arg420His Pathogenic ★★ same type
KCNC3 p.Arg423His Pathogenic ★★ same type
KCNC3 p.Ala295Thr Uncertain significance ★★ ⚠ same type
KCNC3 p.Ala44Ser Uncertain significance ★★ ⚠ same type
KCNC3 p.Ala615Val Uncertain significance ★★ ⚠ same type
KCNC3 p.Ala749Thr Uncertain significance ★★ ⚠ same type
KCNC3 p.Arg417His Uncertain significance ★★ ⚠ same type

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/kcnc3-p-pro61 (accessed [today's date]).

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