11-13492350-G-A

Variant summary

Our verdict is Benign. Variant got -9 ACMG points: 0P and 9B. BP4_StrongBS1_SupportingBS2

The NM_000315.4(PTH):​c.*55C>T variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000757 in 1,593,846 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00035 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00080 ( 2 hom. )

Consequence

PTH
NM_000315.4 3_prime_UTR

Scores

2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.356
Variant links:
Genes affected
PTH (HGNC:9606): (parathyroid hormone) This gene encodes a member of the parathyroid family of proteins. The encoded preproprotein is proteolytically processed to generate a protein that binds to the parathyroid hormone/parathyroid hormone-related peptide receptor and regulates blood calcium and phosphate levels. Excess production of the encoded protein, known as hyperparathyroidism, can result in hypercalcemia and kidney stones. On the other hand, defective processing of the encoded protein may lead to hypoparathyroidism, which can result in hypocalcemia and numbness. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Oct 2015]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -9 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.9).
BS1
Variant frequency is greater than expected in population nfe. gnomad4 allele frequency = 0.000348 (53/152164) while in subpopulation NFE AF= 0.000661 (45/68030). AF 95% confidence interval is 0.000508. There are 0 homozygotes in gnomad4. There are 21 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck. Existence of Clinvar submissions makes me limit the strength of this signal to Supporting
BS2
High Homozygotes in GnomAdExome4 at 2 AD,AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
PTHNM_000315.4 linkuse as main transcriptc.*55C>T 3_prime_UTR_variant 3/3 ENST00000282091.6
PTHNM_001316352.2 linkuse as main transcriptc.*55C>T 3_prime_UTR_variant 3/3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
PTHENST00000282091.6 linkuse as main transcriptc.*55C>T 3_prime_UTR_variant 3/31 NM_000315.4 P1
PTHENST00000529816.1 linkuse as main transcriptc.*55C>T 3_prime_UTR_variant 3/35 P1

Frequencies

GnomAD3 genomes
AF:
0.000348
AC:
53
AN:
152164
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000121
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000655
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.000189
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000661
Gnomad OTH
AF:
0.00
GnomAD4 exome
AF:
0.000800
AC:
1153
AN:
1441682
Hom.:
2
Cov.:
28
AF XY:
0.000751
AC XY:
539
AN XY:
718114
show subpopulations
Gnomad4 AFR exome
AF:
0.000120
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000467
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00101
Gnomad4 OTH exome
AF:
0.000533
GnomAD4 genome
AF:
0.000348
AC:
53
AN:
152164
Hom.:
0
Cov.:
32
AF XY:
0.000283
AC XY:
21
AN XY:
74314
show subpopulations
Gnomad4 AFR
AF:
0.000121
Gnomad4 AMR
AF:
0.0000655
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.000189
Gnomad4 NFE
AF:
0.000661
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000265
Hom.:
0
Bravo
AF:
0.000317

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Familial hypoparathyroidism Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingIllumina Laboratory Services, IlluminaJan 13, 2018This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score, this variant could not be ruled out of causing disease and therefore its association with disease required further investigation. A literature search was performed for the gene, cDNA change, and amino acid change (if applicable). No publications were found based on this search. This variant was therefore classified as a variant of unknown significance for this disease. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.90
CADD
Benign
5.4
DANN
Benign
0.45

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: rs780806029; hg19: chr11-13513897; API