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GeneBe

13-27920220-T-G

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_000209.4(PDX1):ā€‹c.82T>Gā€‹(p.Phe28Val) variant causes a missense change. The variant allele was found at a frequency of 0.00000581 in 1,548,344 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain risk allele (ā˜…).

Frequency

Genomes: š‘“ 0.000013 ( 0 hom., cov: 33)
Exomes š‘“: 0.0000050 ( 0 hom. )

Consequence

PDX1
NM_000209.4 missense

Scores

2
8
9

Clinical Significance

Uncertain risk allele criteria provided, single submitter O:1

Conservation

PhyloP100: 5.60
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.27417532).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
PDX1NM_000209.4 linkuse as main transcriptc.82T>G p.Phe28Val missense_variant 1/2 ENST00000381033.5

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
PDX1ENST00000381033.5 linkuse as main transcriptc.82T>G p.Phe28Val missense_variant 1/21 NM_000209.4 P1

Frequencies

GnomAD3 genomes
AF:
0.0000132
AC:
2
AN:
151642
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.0000947
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000695
AC:
1
AN:
143826
Hom.:
0
AF XY:
0.0000129
AC XY:
1
AN XY:
77708
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000657
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000501
AC:
7
AN:
1396702
Hom.:
0
Cov.:
33
AF XY:
0.00000726
AC XY:
5
AN XY:
688860
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.0000628
Gnomad4 NFE exome
AF:
0.00000278
Gnomad4 OTH exome
AF:
0.0000173
GnomAD4 genome
AF:
0.0000132
AC:
2
AN:
151642
Hom.:
0
Cov.:
33
AF XY:
0.0000270
AC XY:
2
AN XY:
74052
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.0000947
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000113

ClinVar

Significance: Uncertain risk allele
Submissions summary: Other:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Pancreatic hypoplasia Other:1
Uncertain risk allele, criteria provided, single submitterresearchClinical Genomics, Uppaluri K&H Personalized Medicine Clinic-Potent homozygous mutations in the PDX1 gene can lead to pancreatic agenesis/pancreatic hypoplasia and neonatal diabetes mellitus. However no sufficient evidence is found to ascertain the role of this particular variant rs1457762802, yet. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.22
BayesDel_addAF
Uncertain
0.059
T
BayesDel_noAF
Benign
-0.15
CADD
Uncertain
24
DANN
Uncertain
0.98
DEOGEN2
Uncertain
0.53
D
Eigen
Benign
0.016
Eigen_PC
Benign
0.16
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Benign
0.59
T
M_CAP
Pathogenic
0.30
D
MetaRNN
Benign
0.27
T
MetaSVM
Uncertain
-0.25
T
MutationAssessor
Benign
1.1
L
MutationTaster
Benign
1.0
D
PrimateAI
Uncertain
0.71
T
PROVEAN
Benign
-2.2
N
REVEL
Uncertain
0.42
Sift
Uncertain
0.0020
D
Sift4G
Uncertain
0.013
D
Polyphen
0.16
B
Vest4
0.31
MutPred
0.39
Gain of catalytic residue at P32 (P = 0.0011);
MVP
0.70
MPC
1.3
ClinPred
0.83
D
GERP RS
5.3
Varity_R
0.48
gMVP
0.70

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.060
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: rs1457762802; hg19: chr13-28494357; API