rs193922359

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 3P and 1B. PM2PM4_SupportingBP6

The NM_000209.4(PDX1):​c.726_728del​(p.Pro244del) variant causes a inframe deletion change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000224 in 1,381,368 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in Lovd as Likely benign (no stars).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.000022 ( 0 hom. )

Consequence

PDX1
NM_000209.4 inframe_deletion

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.43
Variant links:
Genes affected
PDX1 (HGNC:6107): (pancreatic and duodenal homeobox 1) The protein encoded by this gene is a transcriptional activator of several genes, including insulin, somatostatin, glucokinase, islet amyloid polypeptide, and glucose transporter type 2. The encoded nuclear protein is involved in the early development of the pancreas and plays a major role in glucose-dependent regulation of insulin gene expression. Defects in this gene are a cause of pancreatic agenesis, which can lead to early-onset insulin-dependent diabetes mellitus (IDDM), as well as maturity onset diabetes of the young type 4 (MODY4). [provided by RefSeq, Aug 2017]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PM4
Nonframeshift variant in NON repetitive region in NM_000209.4. Strenght limited to Supporting due to length of the change: 1aa.
BP6
Variant 13-27924562-TGCC-T is Benign according to our data. Variant chr13-27924562-TGCC-T is described in Lovd as [Likely_benign].

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
PDX1NM_000209.4 linkuse as main transcriptc.726_728del p.Pro244del inframe_deletion 2/2 ENST00000381033.5 NP_000200.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
PDX1ENST00000381033.5 linkuse as main transcriptc.726_728del p.Pro244del inframe_deletion 2/21 NM_000209.4 ENSP00000370421 P1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
AF:
0.0000224
AC:
31
AN:
1381368
Hom.:
0
AF XY:
0.0000308
AC XY:
21
AN XY:
681984
show subpopulations
Gnomad4 AFR exome
AF:
0.0000685
Gnomad4 AMR exome
AF:
0.0000293
Gnomad4 ASJ exome
AF:
0.0000424
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000260
Gnomad4 FIN exome
AF:
0.0000228
Gnomad4 NFE exome
AF:
0.0000223
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.0
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs193922357; hg19: chr13-28498699; API