Is BTBD7 p.Ser31Cys (c.92C>G) pathogenic?

BTBD7 p.Ser31Cys (c.92C>G) is classified Uncertain significance in BTBD7 (ClinVar, Single submitter, 1 submitter; last evaluated 2025-02-23). AlphaMissense: likely benign (0.1136); Absent from gnomAD v4.1.

How common is BTBD7 p.Ser31Cys (c.92C>G) in the general population?

BTBD7 p.Ser31Cys (c.92C>G) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about BTBD7 p.Ser31Cys (c.92C>G)?

AlphaMissense predicts likely benign (score 0.1136) — an in-silico prediction, not a clinical call.

BTBD7 p.Ser31Cys

c.92C>G · VCV3825953

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.1136 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

0/3 damaging

AlphaMissense, REVEL, SaProt

Computational evidence

Protein change
AlphaMissense	0.1136	likely benign
REVEL	0.218	benign-leaning
SaProt	LLR -8.26	tolerated
⇒ AlphaMissense, REVEL and SaProt all call this tolerated.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 12	GERP 1.8, phastCons 1
Regional constraint	o/e 0.72	unconstrained · MANE · 32 kb · p 4.8e-10 · regional, not allelic
Overall
CADD	28.3	PHRED · no single calibrated threshold — expert panels disagree

ClinVar classifies this uncertain; the computational predictors unanimously lean tolerated — a triage signal, not a reclassification

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

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: BTBD7
Protein: p.Ser31Cys
Coding: c.92C>G
MANE Select: NM_001002860
Type: single nucleotide variant
Location: chr14:93294928 (GRCh38)
Gene constraint: LOEUF 0.542 · pLI 0.14 (gnomAD)
Structure: AlphaFold pLDDT 61.50

Full BTBD7 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

BTBD7 p.Ala110Thr Uncertain significance ★ ⚠ same type
BTBD7 p.Ala158Thr Uncertain significance ★ ⚠ same type
BTBD7 p.Ala359Ser Uncertain significance ★ ⚠ same type
BTBD7 p.Ala3Val Uncertain significance ★ ⚠ same type
BTBD7 p.Ala491Asp Uncertain significance ★ ⚠ same type
BTBD7 p.Ala567Ser Uncertain significance ★ ⚠ same type
BTBD7 p.Ala567Val Uncertain significance ★ ⚠ same type
BTBD7 p.Ala675Ser 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/btbd7-p-ser31cys (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown