Is NMBR p.Ala136Asp (c.407C>A) pathogenic?

NMBR p.Ala136Asp (c.407C>A) is classified Uncertain significance in NMBR (ClinVar, Single submitter, 1 submitter; last evaluated 2025-05-28). AlphaMissense: likely pathogenic (0.9691); Absent from gnomAD v4.1.

How common is NMBR p.Ala136Asp (c.407C>A) in the general population?

NMBR p.Ala136Asp (c.407C>A) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about NMBR p.Ala136Asp (c.407C>A)?

AlphaMissense predicts likely pathogenic (score 0.9691) — an in-silico prediction, not a clinical call.

NMBR p.Ala136Asp

c.407C>A · VCV3920449

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.9691 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

3/3 damaging

AlphaMissense, REVEL, SaProt

Computational evidence

Protein change
AlphaMissense	0.9691	likely pathogenic · top 5% in NMBR
REVEL	0.764	pathogenic-leaning
SaProt	LLR -10.94	damaging
⇒ AlphaMissense, REVEL and SaProt all call this damaging.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 9.8	GERP 1.1, phastCons 1
Regional constraint	o/e 1.17	unconstrained · MANE · 13 kb · p 0.00021 · regional, not allelic
Overall
CADD	32.0	PHRED · no single calibrated threshold — expert panels disagree

ClinVar classifies this uncertain; the computational predictors unanimously lean damaging — 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: NMBR
Protein: p.Ala136Asp
Coding: c.407C>A
MANE Select: NM_002511
Type: single nucleotide variant
Location: chr6:142088252 (GRCh38)
Gene constraint: LOEUF 1.08 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 79.77 · 2 PDB
Residue 136: an α-helix

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

Similar variants

NMBR p.Arg310Trp Likely benign ★★ same type
NMBR p.Ile46= Benign/Likely benign ★★ same type
NMBR p.Ser358= Likely benign ★★ same type
NMBR p.Ala179Val Uncertain significance ★ ⚠ same type
NMBR p.Ala185Val Uncertain significance ★ ⚠ same type
NMBR p.Ala236Thr Uncertain significance ★ ⚠ same type
NMBR p.Ala32Gly Uncertain significance ★ ⚠ same type
NMBR p.Ala369Val 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/nmbr-p-ala136asp (accessed [today's date]).

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