Send feedback

C2CD3 p.Gln1247=

c.3741G>A · rs151187151 · VCV1623003

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0347%, 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 1.1GERP 1.7, phastCons 1
Overall
CADD10.12PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0347% African / African-American · 26/74,914 alleles
Filtering AF 0.0243% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0208%
Overall 0.0018% 29/1,613,986 alleles · ultra-rare
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.0347% 2,881
Admixed American 0.00333% 29,994
Remaining individualsnot grpmax-eligible 0.0016% 62,478

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
C2CD3
Protein
p.Gln1247=
Coding
c.3741G>A
MANE Select
NM_001286577
dbSNP
rs151187151
Type
single nucleotide variant
Location
chr11:74085787 (GRCh38)
Gene constraint
LOEUF 0.637 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 55.65
Residue 1247
the c2 4 domain
Full C2CD3 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/c2cd3-p-gln1247 (accessed [today's date]).

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