Is ROR2 p.Thr876= (c.2628G>A) pathogenic?

ROR2 p.Thr876= (c.2628G>A) is classified Conflicting classifications of pathogenicity in ROR2 (ClinVar, Conflicting submitters, 4 submitters; last evaluated 2025-05-07). Ultra-rare (popmax 0.0307%, afr); Associated with brachydactyly type B1.

What condition is associated with ROR2 p.Thr876= (c.2628G>A)?

ROR2 p.Thr876= (c.2628G>A) is associated with brachydactyly type B1, autosomal recessive Robinow syndrome (ClinVar).

How common is ROR2 p.Thr876= (c.2628G>A) in the general population?

ROR2 p.Thr876= (c.2628G>A) is ultra-rare (popmax 0.0307%, afr) (gnomAD).

ROR2 p.Thr876=

c.2628G>A · rs369201767 · VCV498877

Conflicting classifications of pathogenicity Conflicting submitters

Classification

Conflicting classifications of pathogenicity

ClinVar

Review

Conflicting submitters ★☆☆☆

ClinVar · 4 submitters

gnomAD v4.1

Rare

ultra-rare (popmax 0.0307%, afr)

Conditions

brachydactyly type B1

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP -15	GERP -3.5
Overall
CADD	0.017	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0307% African / African-American · 23/74,934 alleles

Filtering AF 0.021% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0178%

Overall 0.00285% 46/1,613,892 alleles · ultra-rare exomes 37/1,461,722 · genomes 9/152,170 · joint denominator

Ancestry group	Frequency	1 in
African / African-Americangrpmax	0.0307%	3,258
Admixed American	0.005%	20,001
South Asian	0.00439%	22,770
Ashkenazi Jewishnot grpmax-eligible	0.00338%	29,606
European (non-Finnish)	0.00127%	78,668

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: ROR2
Protein: p.Thr876=
Coding: c.2628G>A
MANE Select: NM_004560
dbSNP: rs369201767
Type: single nucleotide variant
Location: chr9:91723866 (GRCh38)
Gene constraint: LOEUF 0.543 · pLI 0.35 · ClinGen HI 0/3 (gnomAD)
Structure: AlphaFold pLDDT 69.09 · 6 PDB
Residue 876: the 'disordered' region

Full ROR2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

brachydactyly type B1 — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Also linked: autosomal recessive Robinow syndrome

Similar variants

ROR2 p.Thr876Met Uncertain significance ★★ ⚠ same residue
ROR2 p.Thr876fs Conflicting classifications of pathogenicity same residue
ROR2 c.175+1G>A Likely pathogenic ★★ same condition
ROR2 p.Arg119Ter Pathogenic ★★ same condition
ROR2 p.Arg397Ter Pathogenic ★★ same condition
ROR2 p.Arg442Ter Pathogenic ★★ same condition
ROR2 p.Arg528Ter Pathogenic/Likely pathogenic ★★ same condition
ROR2 c.175+3G>T 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/ror2-p-thr876 (accessed [today's date]).

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