NEFH p.Pro677=
c.2031T>C · rs750055698 · VCV1675882
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 8.69e-05%, 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 | ||
| Conservation | phyloP -20 | GERP -3.5 |
| Overall | ||
| CADD | 0.006 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
8.69e-05%
European (non-Finnish) · 1/1,151,096 alleles
Overall
6.45e-05%
1/1,549,820 alleles · very rare
exomes 0/1,437,730 · genomes 1/112,090 · joint denominator
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
- NEFH
- Protein
- p.Pro677=
- Coding
- c.2031T>C
- MANE Select
- NM_021076
- dbSNP
- rs750055698
- Type
- single nucleotide variant
- Location
- chr22:29489671 (GRCh38)
- Gene constraint
- LOEUF 1.417 · pLI <0.01 · ClinGen HI 0/3 (gnomAD)
- Structure
- AlphaFold pLDDT 54.28
- Residue 677
- the 'tail' region; the 'disordered' region; the '30 x 6 aa repeats of k-s-p-[aepv]-[eak]-[aevk]' region
Similar variants
- NEFH c.1208+4A>T Uncertain significance ★★ same type
- NEFH c.1209-2A>G Uncertain significance ★★ same type
- NEFH p.Ala103Thr Uncertain significance ★★ same type
- NEFH p.Ala141Thr Uncertain significance ★★ same type
- NEFH p.Ala189Val Uncertain significance ★★ same type
- NEFH p.Ala195Thr Uncertain significance ★★ same type
- NEFH p.Ala203Thr Uncertain significance ★★ same type
- NEFH p.Ala220Val 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/nefh-p-pro677 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown