Is DAAM2 p.Arg741His (c.2222G>A) pathogenic?

DAAM2 p.Arg741His (c.2222G>A) is classified Uncertain significance in DAAM2 (ClinVar, Single submitter, 1 submitter; last evaluated 2025-08-13). AlphaMissense: likely pathogenic (0.7023); Ultra-rare (popmax 0.0165%, mid); Associated with Inborn genetic diseases.

What condition is associated with DAAM2 p.Arg741His (c.2222G>A)?

DAAM2 p.Arg741His (c.2222G>A) is associated with Inborn genetic diseases (ClinVar).

How common is DAAM2 p.Arg741His (c.2222G>A) in the general population?

DAAM2 p.Arg741His (c.2222G>A) is ultra-rare (popmax 0.0165%, mid) (gnomAD).

What do computational predictors say about DAAM2 p.Arg741His (c.2222G>A)?

AlphaMissense predicts likely pathogenic (score 0.7023) — an in-silico prediction, not a clinical call.

DAAM2 p.Arg741His

c.2222G>A · rs767650659 · VCV2519736

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.7023 · ACMG-weighted

gnomAD v4.1

Rare

ultra-rare (popmax 0.0165%, mid)

Missense predictors

1/3 damaging

AlphaMissense, REVEL, SaProt

Conditions

Inborn genetic diseases

Computational evidence

Protein change
AlphaMissense	0.7023	likely pathogenic
REVEL	0.197	benign-leaning
SaProt	LLR -8.44	tolerated
⇒ AlphaMissense calls this damaging; REVEL and SaProt do not.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 9.9	GERP -0.37, phastCons 1
Regional constraint	o/e 0.97	unconstrained · MANE · 24 kb · p 0.46 · regional, not allelic
Overall
CADD	32.0	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 0.0165% Middle Eastern · 1/6,078 alleles

Filtering AF 0.00259% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00233%

Overall 0.00323% 52/1,609,982 alleles · ultra-rare

Ancestry group	Frequency	1 in
Middle Easterngrpmax	0.0165%	6,078
Admixed American	0.00503%	19,871
East Asian	0.00446%	22,404
European (non-Finnish)	0.00348%	28,735
Remaining individualsnot grpmax-eligible	0.00321%	31,153
South Asian	0.00222%	44,995
African / African-American	0.00134%	74,848

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: DAAM2
Protein: p.Arg741His
Coding: c.2222G>A
MANE Select: NM_001201427
dbSNP: rs767650659
Type: single nucleotide variant
Location: chr6:39891417 (GRCh38)
Gene constraint: LOEUF 0.488 · pLI 0.98 (gnomAD)
Structure: AlphaFold pLDDT 80.02
Residue 741: a UniProt-annotated variant site (in nphs24; affects the regulation of filopodia formation); the fh2 domain

Full DAAM2 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

DAAM2 p.Arg335Trp Uncertain significance ★★ ⚠ same condition
DAAM2 p.Arg676Trp Uncertain significance ★★ ⚠ same condition
DAAM2 p.Arg990Cys Uncertain significance ★★ ⚠ same condition
DAAM2 p.Gln760Arg Uncertain significance ★★ ⚠ same condition
DAAM2 p.Glu956Lys Uncertain significance ★★ ⚠ same condition
DAAM2 p.Ile699Val Uncertain significance ★★ ⚠ same condition
DAAM2 p.Ala117Val Uncertain significance ★ ⚠ same condition
DAAM2 p.Ala167Thr Uncertain significance ★ ⚠ 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/daam2-p-arg741his (accessed [today's date]).

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