Is BAZ2B p.Arg738Lys (c.2213G>A) pathogenic?

BAZ2B p.Arg738Lys (c.2213G>A) is classified Uncertain significance in BAZ2B (ClinVar, Single submitter, 1 submitter; last evaluated 2023-12-27). AlphaMissense: ambiguous (0.4293); Ultra-rare (popmax 0.0226%, eas); Associated with Inborn genetic diseases.

What condition is associated with BAZ2B p.Arg738Lys (c.2213G>A)?

BAZ2B p.Arg738Lys (c.2213G>A) is associated with Inborn genetic diseases (ClinVar).

How common is BAZ2B p.Arg738Lys (c.2213G>A) in the general population?

BAZ2B p.Arg738Lys (c.2213G>A) is ultra-rare (popmax 0.0226%, eas) (gnomAD).

What do computational predictors say about BAZ2B p.Arg738Lys (c.2213G>A)?

AlphaMissense predicts ambiguous (score 0.4293) — an in-silico prediction, not a clinical call.

BAZ2B p.Arg738Lys

c.2213G>A · rs767607939 · VCV3133094

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

ambiguous

0.4293 · ACMG-weighted

gnomAD v4.1

Rare

ultra-rare (popmax 0.0226%, eas)

Conditions

Inborn genetic diseases

Computational evidence

Protein change
AlphaMissense	0.4293	ambiguous
REVEL	0.361	indeterminate
SaProt	LLR -7.80	tolerated
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 4.9	GERP 0.57, phastCons 1
Regional constraint	o/e 1.00	unconstrained · MANE · 38 kb · p 1 · regional, not allelic
Overall
CADD	23.9	PHRED · no single calibrated threshold — expert panels disagree

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

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0226% East Asian · 10/44,238 alleles

Filtering AF 0.0122% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00928%

Overall 0.000787% 11/1,397,002 alleles · ultra-rare

Ancestry group	Frequency	1 in
East Asiangrpmax	0.0226%	4,424
Remaining individualsnot grpmax-eligible	0.00169%	59,108

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: BAZ2B
Protein: p.Arg738Lys
Coding: c.2213G>A
MANE Select: NM_013450
dbSNP: rs767607939
Type: single nucleotide variant
Location: chr2:159429242 (GRCh38)
Gene constraint: LOEUF 0.386 · pLI 1.00 · ClinGen HI 1/3 (gnomAD)
Structure: AlphaFold pLDDT 55.23 · 265 PDB
Residue 738: the 'disordered' region

Full BAZ2B gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Inborn genetic diseases — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

BAZ2B p.Arg1290Gln Uncertain significance ★★ ⚠ same condition
BAZ2B p.Ile502Val Uncertain significance ★★ ⚠ same condition
BAZ2B p.Leu587Ser Uncertain significance ★★ ⚠ same condition
BAZ2B p.Met1013Ile Uncertain significance ★★ ⚠ same condition
BAZ2B p.Pro1709Ser Uncertain significance ★★ same condition
BAZ2B p.Ser1592Cys Uncertain significance ★★ ⚠ same condition
BAZ2B p.Trp826Arg Uncertain significance ★★ ⚠ same condition
BAZ2B p.Ala913Val Likely benign ★★ same condition

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/baz2b-p-arg738lys (accessed [today's date]).

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