Send feedback

C2CD3 p.His1077=

c.3231C>T · VCV3604703

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00161%, nfe)

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 1.2GERP -0.05, phastCons 1
Overall
CADD6.093PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00161% European (non-Finnish) · 19/1,179,842 alleles
Filtering AF 0.00103% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00083%
Overall 0.00124% 20/1,613,858 alleles · very rare exomes 18/1,461,624 · genomes 2/152,234 · joint denominator
Ancestry group Frequency 1 in
European (non-Finnish)grpmax 0.00161% 62,097
African / African-American 0.00133% 74,922

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.His1077=
Coding
c.3231C>T
MANE Select
NM_001286577
Type
single nucleotide variant
Location
chr11:74093929 (GRCh38)
Gene constraint
LOEUF 0.637 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 55.65
Residue 1077
the c2 3 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-his1077 (accessed [today's date]).

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