rs1060503097
Variant summary
Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BS2
The NM_004387.4(NKX2-5):c.824C>T(p.Pro275Leu) variant causes a missense change. The variant allele was found at a frequency of 0.00000549 in 1,456,094 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P275S) has been classified as Uncertain significance.
Frequency
Consequence
NM_004387.4 missense
Scores
Clinical Significance
Conservation
Publications
- atrial septal defect 7Inheritance: AD Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Genomics England PanelApp, G2P, Ambry Genetics, Labcorp Genetics (formerly Invitae), Laboratory for Molecular Medicine, Orphanet
- hypothyroidism, congenital, nongoitrous, 5Inheritance: AD, Unknown Classification: DEFINITIVE, MODERATE, LIMITED Submitted by: G2P, Labcorp Genetics (formerly Invitae), Ambry Genetics
- NKX2.5-related congenital, conduction and myopathic heart diseaseInheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
- tetralogy of fallotInheritance: AD Classification: DEFINITIVE Submitted by: G2P
- conotruncal heart malformationsInheritance: SD, AD Classification: DEFINITIVE, STRONG Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae)
- athyreosisInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
- familial atrial fibrillationInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
- familial bicuspid aortic valveInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
- familial isolated congenital aspleniaInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
- dilated cardiomyopathyInheritance: AD Classification: LIMITED Submitted by: ClinGen
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ACMG classification
Our verdict: Likely_benign. The variant received -4 ACMG points.
Transcripts
RefSeq
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
|---|---|---|---|---|---|---|---|---|
| NKX2-5 | NM_004387.4 | c.824C>T | p.Pro275Leu | missense_variant | Exon 2 of 2 | ENST00000329198.5 | NP_004378.1 | |
| NKX2-5 | NM_001166176.2 | c.*623C>T | 3_prime_UTR_variant | Exon 2 of 2 | NP_001159648.1 | |||
| NKX2-5 | NM_001166175.2 | c.*777C>T | 3_prime_UTR_variant | Exon 2 of 2 | NP_001159647.1 |
Ensembl
| Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
|---|---|---|---|---|---|---|---|---|---|---|
| NKX2-5 | ENST00000329198.5 | c.824C>T | p.Pro275Leu | missense_variant | Exon 2 of 2 | 1 | NM_004387.4 | ENSP00000327758.4 | ||
| NKX2-5 | ENST00000424406.2 | c.*777C>T | downstream_gene_variant | 1 | ENSP00000395378.2 | |||||
| NKX2-5 | ENST00000521848.1 | c.*623C>T | downstream_gene_variant | 2 | ENSP00000427906.1 |
Frequencies
GnomAD3 genomes Cov.: 32
GnomAD2 exomes AF: 0.00000420 AC: 1AN: 237974 AF XY: 0.00000764 show subpopulations
GnomAD4 exome AF: 0.00000549 AC: 8AN: 1456094Hom.: 0 Cov.: 35 AF XY: 0.00000691 AC XY: 5AN XY: 723644 show subpopulations
Age Distribution
GnomAD4 genome Cov.: 32
ClinVar
Submissions by phenotype
Atrial septal defect 7;C3280785:Ventricular septal defect 3 Uncertain:1
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Atrial septal defect 7 Uncertain:1
This sequence change replaces proline with leucine at codon 275 of the NKX2-5 protein (p.Pro275Leu). The proline residue is moderately conserved and there is a moderate physicochemical difference between proline and leucine. While this variant is not present in population databases (ExAC no frequency), the frequency information is unreliable, as metrics indicate poor data quality at this position in the ExAC database. This variant has not been reported in the literature in an individual with a NKX2-5-related disease. ClinVar contains an entry for this variant (Variation ID: 410967). Algorithms developed to predict the effect of missense changes on protein structure and function do not agree on the potential impact of this missense change (SIFT: "Deleterious"; PolyPhen-2: "Possibly Damaging"; Align-GVGD: "Class C0"). In summary, this variant is a rare missense change with uncertain impact on protein function. It has been classified as a Variant of Uncertain Significance. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at