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CEP170B p.Pro198=

c.594A>C · rs2028414 · VCV3058875

Benign No assertion criteria
Classification
Benign
ClinVar
Review
No assertion criteria ☆☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Common
common (popmax 73.5%, mid) — too common for a highly-penetrant pathogenic allele
Conditions
1
CEP170B-related disorder

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 -0.89GERP -3
Overall
CADD0.442PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 73.5% Middle Eastern · 4,307/5,862 alleles
Filtering AF 71.6% ClinGen BA1/BS1 input FAF95, joint · FAF99 70.9%
Overall 62.7% 959,378/1,529,066 alleles · common
Ancestry group Frequency 1 in
Middle Easterngrpmax 73.5% 1
Ashkenazi Jewishnot grpmax-eligible 70.1% 1
Finnishnot grpmax-eligible 66% 2
European (non-Finnish) 65.2% 2
Amishnot grpmax-eligible 63.2% 2
Remaining individualsnot grpmax-eligible 62% 2
South Asian 62% 2
Admixed American 55.5% 2
African / African-American 50.7% 2
East Asian 18.1% 6

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
CEP170B
Protein
p.Pro198=
Coding
c.594A>C
MANE Select
NM_001112726
dbSNP
rs2028414
Type
single nucleotide variant
Location
chr14:104883051 (GRCh38)
Gene constraint
LOEUF 0.682 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 47.31
Residue 198
the 'disordered' region
Full CEP170B gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

CEP170B-related disorder

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/cep170b-p-pro198 (accessed [today's date]).

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