Genetic Variant SLC11A1:n.-103_-102insGTGTGTGT (chr2-218381926-C-CGTGTGTGT) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The ENST00000468221.5(SLC11A1):n.-103_-102insGTGTGTGT variant causes a upstream gene change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000162 in 185,500 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 21)

Exomes 𝑓: 0.000027 ( 0 hom. )

Consequence

SLC11A1
ENST00000468221.5 upstream_gene

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.180

Publications

14 publications found

Variant links:

Genes affected

SLC11A1 (HGNC:10907): (solute carrier family 11 member 1) This gene is a member of the solute carrier family 11 (proton-coupled divalent metal ion transporters) family and encodes a multi-pass membrane protein. The protein functions as a divalent transition metal (iron and manganese) transporter involved in iron metabolism and host resistance to certain pathogens. Mutations in this gene have been associated with susceptibility to infectious diseases such as tuberculosis and leprosy, and inflammatory diseases such as rheumatoid arthritis and Crohn disease. Alternatively spliced variants that encode different protein isoforms have been described but the full-length nature of only one has been determined. [provided by RefSeq, Jul 2008]

SLC11A1 Gene-Disease associations (from GenCC):

cystic fibrosis
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

SLC11A1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Variant Effect in Transcripts

ACMG analysis was done for transcript: ENST00000468221.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	SLC11A1	ENST00000468221.5	TSL:1	n.-103_-102insGTGTGTGT		upstream_gene	N/A
	SLC11A1	ENST00000473367.5	TSL:4	n.-443_-442insGTGTGTGT		upstream_gene	N/A	ENSP00000484905.1

Frequencies

GnomAD3 genomes

AF:

0.0000134

AC:

AN:

148792

Hom.:

Cov.:

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:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000298

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.0000272

AC:

AN:

36708

Hom.:

AF XY:

0.00

AC XY:

AN XY:

19564

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.00

AC:

AN:

1010

American (AMR)

AF:

0.00

AC:

AN:

1002

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

1110

East Asian (EAS)

AF:

0.00

AC:

AN:

2636

South Asian (SAS)

AF:

0.00

AC:

AN:

2942

European-Finnish (FIN)

AF:

0.00

AC:

AN:

3448

Middle Eastern (MID)

AF:

0.00

AC:

AN:

144

European-Non Finnish (NFE)

AF:

0.0000449

AC:

AN:

22260

Other (OTH)

AF:

0.00

AC:

AN:

2156

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.225

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000134

AC:

AN:

148792

Hom.:

Cov.:

AF XY:

0.0000138

AC XY:

AN XY:

72400

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

40392

American (AMR)

AF:

0.00

AC:

AN:

14892

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3430

East Asian (EAS)

AF:

0.00

AC:

AN:

5076

South Asian (SAS)

AF:

0.00

AC:

AN:

4714

European-Finnish (FIN)

AF:

0.00

AC:

AN:

9952

Middle Eastern (MID)

AF:

0.00

AC:

AN:

310

European-Non Finnish (NFE)

AF:

0.0000298

AC:

AN:

67088

Other (OTH)

AF:

0.00

AC:

AN:

2036

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00

Hom.:

139

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

PhyloP100

0.18

Splicing

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

Publications

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2-218381926-CGTGTGTGT-CGTGTGTGTGTGTGTGT

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over