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RECQL4 p.Leu577=

c.1731G>A · rs2130696716 · VCV1998952

Likely benign Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 8.5e-05%, nfe)
Conditions
1
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
ConservationphyloP 0.23GERP -0.57, phastCons 0.9
Overall
CADD1.52PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 8.5e-05% European (non-Finnish) · 1/1,176,660 alleles
Overall 6.22e-05% 1/1,607,444 alleles · very rare exomes 1/1,455,142 · genomes 0/152,302 · joint denominator

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.Leu577=
Coding
c.1731G>A
MANE Select
NM_004260
dbSNP
rs2130696716
Type
single nucleotide variant
Location
chr8:144514336 (GRCh38)
Gene constraint
LOEUF 1.519 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 68.32 · 2 PDB
Residue 577
the helicase atp-binding domain; a β-strand
Full RECQL4 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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-leu577 (accessed [today's date]).

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