Is RECQL4 p.Pro1087= (c.3261C>T) pathogenic?

RECQL4 p.Pro1087= (c.3261C>T) is classified Likely benign in RECQL4 (ClinVar, Single submitter, 1 submitter; last evaluated 2025-05-05). Very rare (popmax 0.00935%, afr); Associated with Baller-Gerold syndrome.

What condition is associated with RECQL4 p.Pro1087= (c.3261C>T)?

RECQL4 p.Pro1087= (c.3261C>T) is associated with Baller-Gerold syndrome (ClinVar).

How common is RECQL4 p.Pro1087= (c.3261C>T) in the general population?

RECQL4 p.Pro1087= (c.3261C>T) is very rare (popmax 0.00935%, afr) (gnomAD).

RECQL4 p.Pro1087=

c.3261C>T · rs749540920 · VCV1134651

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Rare

very rare (popmax 0.00935%, afr)

Conditions

Baller-Gerold syndrome

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 -1.8	GERP -3.6
Overall
CADD	1.287	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00935% African / African-American · 7/74,890 alleles

Filtering AF 0.00437% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00309%

Overall 0.00056% 9/1,608,432 alleles · very rare exomes 6/1,456,198 · genomes 3/152,234 · joint denominator

Ancestry group	Frequency	1 in
African / African-Americangrpmax	0.00935%	10,699
European (non-Finnish)	0.00017%	589,376

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: RECQL4
Protein: p.Pro1087=
Coding: c.3261C>T
MANE Select: NM_004260
dbSNP: rs749540920
Type: single nucleotide variant
Location: chr8:144512043 (GRCh38)
Gene constraint: LOEUF 1.519 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 68.32 · 2 PDB
Residue 1087: an α-helix; a UniProt-annotated variant site (in rts2)

Full RECQL4 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Baller-Gerold syndrome — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

RECQL4 p.Pro1087Ala Uncertain significance ★★ ⚠ same residue
RECQL4 p.Pro1087Ser Uncertain significance ★ ⚠ same residue
RECQL4 p.Pro1087Thr Uncertain significance ★ ⚠ same residue
RECQL4 p.Pro1087Arg Uncertain significance ★ ⚠ same residue
RECQL4 p.Pro1087Leu Uncertain significance ★ ⚠ same residue
RECQL4 c.1132-1G>A Likely pathogenic ★★ same condition
RECQL4 c.1259-1G>A Pathogenic/Likely pathogenic ★★ same condition
RECQL4 c.1391-1G>A Pathogenic ★★ 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/recql4-p-pro1087 (accessed [today's date]).

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