NFASC p.Pro1008=
c.3024T>C · rs4951151 · VCV1233783
Benign
Multiple submitters
Classification
Benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 4 submitters
gnomAD v4.1
Common
common (popmax 30.1%, sas) — too common for a highly-penetrant pathogenic allele
Conditions
1
neurodevelopmental disorder with central and peripheral motor dysfunction
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 | ||
| Conservation | phyloP -8.9 | GERP -4.9 |
| Overall | ||
| CADD | 2.264 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
30.1%
South Asian · 26,921/89,326 alleles
Filtering AF
29.8%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 29.7%
Overall
25%
398,999/1,597,614 alleles · common
| Ancestry group | Frequency | 1 in |
|---|---|---|
| South Asiangrpmax | 30.1% | 3 |
| Middle Eastern | 27.2% | 4 |
| European (non-Finnish) | 25.5% | 4 |
| Finnishnot grpmax-eligible | 25.4% | 4 |
| Remaining individualsnot grpmax-eligible | 24.9% | 4 |
| Ashkenazi Jewishnot grpmax-eligible | 22.7% | 4 |
| East Asian | 22.1% | 5 |
| Amishnot grpmax-eligible | 20% | 5 |
| Admixed American | 19.3% | 5 |
| African / African-American | 17.4% | 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
- NFASC
- Protein
- p.Pro1008=
- Coding
- c.3024T>C
- MANE Select
- NM_001005388
- dbSNP
- rs4951151
- Type
- single nucleotide variant
- Location
- chr1:205001174 (GRCh38)
- Gene constraint
- LOEUF 0.362 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 77.23 · 2 PDB
- Residue 1008
- the fibronectin type-iii 4 domain; a UniProt-annotated variant site (in nedcpmd; uncertain significance; no protein expression)
Similar variants
- NFASC c.2593+5G>A Uncertain significance ★★ same condition
- NFASC p.Arg436Gln Uncertain significance ★★ same condition
- NFASC p.Asn655Asp Uncertain significance ★★ same condition
- NFASC p.Val532Leu Uncertain significance ★★ same condition
- NFASC c.1280-22A>T Benign ★★ same condition
- NFASC c.215+14A>G Benign ★★ same condition
- NFASC p.Val518= Benign ★★ same condition
- NFASC p.Arg800Ter Likely pathogenic ★ same condition
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/nfasc-p-pro1008 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown