CIT p.Pro1956=
c.5868G>A · rs35431237 · VCV779611
Benign
Multiple submitters
Classification
Benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 5 submitters
gnomAD v4.1
Rare
low-frequency (popmax 2.2%, afr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| REVEL | 0.024 | moderately benign-leaning |
|---|---|---|
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP -1 | GERP -1.6 |
| Overall | ||
| CADD | 9.139 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
2.2%
African / African-American · 1,649/75,022 alleles
Filtering AF
2.11%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 2.07%
Overall
0.129%
2,082/1,613,642 alleles · low-frequency
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 2.2% | 45 |
| Middle Eastern | 0.281% | 356 |
| Amishnot grpmax-eligible | 0.219% | 456 |
| Remaining individualsnot grpmax-eligible | 0.142% | 702 |
| Admixed American | 0.117% | 857 |
| South Asian | 0.0725% | 1,379 |
| European (non-Finnish) | 0.0154% | 6,482 |
| Finnishnot grpmax-eligible | 0.00938% | 10,658 |
| East Asian | 0.00223% | 44,876 |
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
- CIT
- Protein
- p.Pro1956=
- Coding
- c.5868G>A
- MANE Select
- NM_001206999
- dbSNP
- rs35431237
- Type
- single nucleotide variant
- Location
- chr12:119697673 (GRCh38)
- Gene constraint
- LOEUF 0.353 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 69.75
- Residue 1956
- the 'disordered' region
Similar variants
- CIT p.Arg1178Ter Pathogenic ★★ same type
- CIT p.Arg220Ter Pathogenic ★★ same type
- CIT c.4168+5G>A Uncertain significance ★★ same type
- CIT p.Ala1144Thr Uncertain significance ★★ ⚠ same type
- CIT p.Ala1466Asp Uncertain significance ★★ ⚠ same type
- CIT p.Ala1527Val Uncertain significance ★★ ⚠ same type
- CIT p.Ala244Val Uncertain significance ★★ ⚠ same type
- CIT p.Ala495Ser 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/cit-p-pro1956 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown