Is NIPBL p.Arg792Pro (c.2375G>C) pathogenic?

NIPBL p.Arg792Pro (c.2375G>C) is classified Conflicting classifications of pathogenicity in NIPBL (ClinVar, Conflicting submitters, 2 submitters; last evaluated 2024-04-10). AlphaMissense: ambiguous (0.3913); Very rare (popmax 0.00267%, afr); Associated with Inborn genetic diseases.

What condition is associated with NIPBL p.Arg792Pro (c.2375G>C)?

NIPBL p.Arg792Pro (c.2375G>C) is associated with Inborn genetic diseases, Cornelia de Lange syndrome 1 (ClinVar).

How common is NIPBL p.Arg792Pro (c.2375G>C) in the general population?

NIPBL p.Arg792Pro (c.2375G>C) is very rare (popmax 0.00267%, afr) (gnomAD).

What do computational predictors say about NIPBL p.Arg792Pro (c.2375G>C)?

AlphaMissense predicts ambiguous (score 0.3913) — an in-silico prediction, not a clinical call.

NIPBL p.Arg792Pro

c.2375G>C · rs376912534 · VCV2400164

Conflicting classifications of pathogenicity Conflicting submitters

Classification

Conflicting classifications of pathogenicity

ClinVar

Review

Conflicting submitters ★☆☆☆

ClinVar · 2 submitters

AlphaMissense

ambiguous

0.3913 · ACMG-weighted

gnomAD v4.1

Rare

very rare (popmax 0.00267%, afr)

Conditions

Inborn genetic diseases

Computational evidence

Protein change
AlphaMissense	0.3913	ambiguous
REVEL	0.51	indeterminate
SaProt	—	not scored · why
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 12	GERP 2.6, phastCons 1
Regional constraint	o/e 1.04	unconstrained · MANE · 1,447 bp · p 0.31 · regional, not allelic
Overall
CADD	24.6	PHRED · no single calibrated threshold — expert panels disagree

AlphaMissense carries the ACMG weight for missense; REVEL is an independent agreement signal.

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00267% African / African-American · 2/74,878 alleles

Filtering AF 0.000443% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00026%

Overall 0.000682% 11/1,613,656 alleles · very rare exomes 8/1,461,606 · genomes 3/152,050 · joint denominator

Ancestry group	Frequency	1 in
African / African-Americangrpmax	0.00267%	37,439
European (non-Finnish)	0.000763%	131,106

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: NIPBL
Protein: p.Arg792Pro
Coding: c.2375G>C
MANE Select: NM_133433
dbSNP: rs376912534
Type: single nucleotide variant
Location: chr5:36985555 (GRCh38)
Gene constraint: LOEUF 0.057 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Residue 792: the 'disordered' region

Full NIPBL 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

Also linked: Cornelia de Lange syndrome 1

Similar variants

NIPBL p.Arg792Trp Uncertain significance ★★ same residue
NIPBL p.Arg792Leu Conflicting classifications of pathogenicity ★ same residue
NIPBL c.3304+1G>A Pathogenic/Likely pathogenic ★★ same condition
NIPBL c.358+1G>T Pathogenic ★★ same condition
NIPBL c.3855+5G>A Pathogenic/Likely pathogenic ★★ same condition
NIPBL c.5329-15A>G Pathogenic ★★ same condition
NIPBL c.5575-1G>A Likely pathogenic ★★ same condition
NIPBL c.5709+1G>A Pathogenic/Likely 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/nipbl-p-arg792pro (accessed [today's date]).

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