chr8-42417690-T-A

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_001257180.2(SLC20A2):​c.*113A>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 0.00136 in 1,174,758 control chromosomes in the GnomAD database, including 15 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0056 ( 14 hom., cov: 32)
Exomes 𝑓: 0.00073 ( 1 hom. )

Consequence

SLC20A2
NM_001257180.2 3_prime_UTR

Scores

2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: -2.28
Variant links:
Genes affected
SLC20A2 (HGNC:10947): (solute carrier family 20 member 2) This gene encodes a member of the inorganic phosphate transporter family. The encoded protein is a type 3 sodium-dependent phosphate symporter that plays an important role in phosphate homeostasis by mediating cellular phosphate uptake. The encoded protein also confers susceptibility to viral infection as a gamma-retroviral receptor. Mutations in this gene may play a role in familial idiopathic basal ganglia calcification. Alternatively spliced transcript variants encoding multiple isoforms have been observed for this gene. [provided by RefSeq, Mar 2012]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.77).
BP6
Variant 8-42417690-T-A is Benign according to our data. Variant chr8-42417690-T-A is described in ClinVar as [Likely_benign]. Clinvar id is 363065.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00555 (844/152044) while in subpopulation AFR AF= 0.0193 (802/41458). AF 95% confidence interval is 0.0182. There are 14 homozygotes in gnomad4. There are 399 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High AC in GnomAd4 at 844 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
SLC20A2NM_001257180.2 linkuse as main transcriptc.*113A>T 3_prime_UTR_variant 11/11 ENST00000520262.6 NP_001244109.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
SLC20A2ENST00000520262.6 linkuse as main transcriptc.*113A>T 3_prime_UTR_variant 11/112 NM_001257180.2 ENSP00000429754 P1
SLC20A2ENST00000342228.7 linkuse as main transcriptc.*113A>T 3_prime_UTR_variant 11/111 ENSP00000340465 P1

Frequencies

GnomAD3 genomes
AF:
0.00550
AC:
836
AN:
151926
Hom.:
14
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0192
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00111
Gnomad ASJ
AF:
0.00289
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000883
Gnomad OTH
AF:
0.00431
GnomAD4 exome
AF:
0.000733
AC:
750
AN:
1022714
Hom.:
1
Cov.:
13
AF XY:
0.000633
AC XY:
326
AN XY:
514732
show subpopulations
Gnomad4 AFR exome
AF:
0.0216
Gnomad4 AMR exome
AF:
0.00116
Gnomad4 ASJ exome
AF:
0.00301
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000751
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000439
Gnomad4 OTH exome
AF:
0.00152
GnomAD4 genome
AF:
0.00555
AC:
844
AN:
152044
Hom.:
14
Cov.:
32
AF XY:
0.00537
AC XY:
399
AN XY:
74328
show subpopulations
Gnomad4 AFR
AF:
0.0193
Gnomad4 AMR
AF:
0.00111
Gnomad4 ASJ
AF:
0.00289
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000883
Gnomad4 OTH
AF:
0.00427
Alfa
AF:
0.00423
Hom.:
1
Bravo
AF:
0.00619
Asia WGS
AF:
0.00231
AC:
8
AN:
3478

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingGeneDxDec 24, 2018- -
Idiopathic basal ganglia calcification 1 Benign:1
Benign, 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 and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.77
CADD
Benign
0.25
DANN
Benign
0.79

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: rs115989387; hg19: chr8-42275208; API