HTT p.Lys667Asn
c.2001A>C · rs1715803410 · VCV1429434
Computational evidence
| Protein change | ||
| AlphaMissense | 0.5171 | ambiguous |
|---|---|---|
| REVEL | 0.087 | moderately benign-leaning |
| Splicing | ||
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP 3.1 | GERP 0.98, phastCons 1 |
| Overall | ||
| CADD | 23.6 | PHRED · no single calibrated threshold — expert panels disagree |
AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.
Population frequency
Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.
Variant & gene context
- Gene
- HTT
- Protein
- p.Lys667Asn
- Coding
- c.2001A>C
- MANE Select
- NM_001045 · reported on NM_001388492
- dbSNP
- rs1715803410
- Type
- single nucleotide variant
- Location
- chr4:3131300 (GRCh38)
- Structure
- AlphaFold pLDDT 85.38 · 30 PDB
Similar variants
- HTT c.889+6G>T Uncertain significance ★★ same type
- HTT p.Ala2739Thr Uncertain significance ★★ same type
- HTT p.Arg1654Trp Uncertain significance ★★ same type
- HTT p.Arg1945Trp Uncertain significance ★★ same type
- HTT p.Asp1157Gly Uncertain significance ★★ same type
- HTT p.Asp920Asn Uncertain significance ★★ same type
- HTT p.Glu449Ala Uncertain significance ★★ ⚠ same type
- HTT p.Gly2084Arg 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/htt-p-lys667asn (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown