Send feedback

C6 p.Cys732=

c.2196C>T · rs756859933 · VCV2159747

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
ultra-rare (popmax 0.0495%, mid)

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 -0.016GERP -2.8, phastCons 0.15
Overall
CADD3.931PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0495% Middle Eastern · 3/6,066 alleles
Filtering AF 0.0134% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00717%
Overall 0.00198% 32/1,613,402 alleles · ultra-rare
Ancestry group Frequency 1 in
Middle Easterngrpmax 0.0495% 2,022
European (non-Finnish) 0.00237% 42,127
Remaining individualsnot grpmax-eligible 0.0016% 62,452

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
C6
Protein
p.Cys732=
Coding
c.2196C>T
MANE Select
NM_000065
dbSNP
rs756859933
Type
single nucleotide variant
Location
chr5:41153904 (GRCh38)
Gene constraint
LOEUF 1.008 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 79.72 · 11 PDB
Residue 732
the sushi 2 domain; the 'c5b-binding domain' region; the 'ccp 2' region; a disulfide bond
Full C6 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/c6-p-cys732 (accessed [today's date]).

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