HTT c.6774+5=
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Absent
absent from gnomAD v4.1
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| Splice region | donor +5 | donor splice region (+5, within the first 6 intronic nt) · inside the BP7-excluded zone |
|---|---|---|
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP 6.2 | GERP 1.1, phastCons 1 |
| Non-coding constraint | Z 3.08 | 1 kb window · o/e 0.75 · regional · uncalibrated |
Population frequency
gnomAD v4.1 · exomes + genomes
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
- Coding
- c.6774+5=
- MANE Select
- NM_001045 · reported on NM_001388492
- Type
- Variation
- Location
- chr4:3212714 (GRCh38)
- Structure
- AlphaFold pLDDT 85.38 · 30 PDB
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-c-6774-plus-5 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown