Genetic Variant SLC30A7:p.His189Tyr (chr1-100913716-C-T) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

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

The NM_133496.5(SLC30A7):c.565C>T(p.His189Tyr) variant causes a missense change. The variant allele was found at a frequency of 0.00000657 in 152,170 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. H189R) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Consequence

SLC30A7
NM_133496.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 6.12

Publications

1 publications found

Variant links:

Genes affected

SLC30A7 (HGNC:19306): (solute carrier family 30 member 7) Zinc functions as a cofactor for numerous enzymes, nuclear factors, and hormones and as an intra- and intercellular signal ion. Members of the zinc transporter (ZNT)/SLC30 subfamily of the cation diffusion facilitator family, such as SLC30A7, permit cellular efflux of zinc (Seve et al., 2004 [PubMed 15154973]).[supplied by OMIM, Mar 2008]

SLC30A7 Gene-Disease associations (from GenCC):

Joubert syndrome
Inheritance: AD Classification: LIMITED Submitted by: G2P

SLC30A7 links:

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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;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
SLC30A7	NM_133496.5 link	c.565C>T	p.His189Tyr	missense_variant	Exon 6 of 11	ENST00000357650.9	NP_598003.2	Q8NEW0

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
SLC30A7	ENST00000357650.9 link	c.565C>T	p.His189Tyr	missense_variant	Exon 6 of 11	1	NM_133496.5	ENSP00000350278.4	Q8NEW0
SLC30A7	ENST00000370112.8 link	c.565C>T	p.His189Tyr	missense_variant	Exon 6 of 12	1		ENSP00000359130.4	Q8NEW0
SLC30A7	ENST00000850622.1 link	n.565C>T		non_coding_transcript_exon_variant	Exon 6 of 13			ENSP00000520907.1

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152170

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152170

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74328

show subpopulations

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

African (AFR)

AF:

0.0000241

AC:

AN:

41446

American (AMR)

AF:

0.00

AC:

AN:

15282

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5196

South Asian (SAS)

AF:

0.00

AC:

AN:

4822

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10610

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68022

Other (OTH)

AF:

0.00

AC:

AN:

2092

⚠️ The allele balance in gnomAD version 4 Genomes is significantly skewed from the expected value of 0.5. (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.275

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.13

BayesDel_addAF

Uncertain

0.15

BayesDel_noAF

Uncertain

-0.030

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Uncertain

0.50

T;T

Eigen

Uncertain

0.31

Eigen_PC

Uncertain

0.38

FATHMM_MKL

Pathogenic

0.97

LIST_S2

Benign

0.76

.;T

M_CAP

Benign

0.074

MetaRNN

Uncertain

0.69

D;D

MetaSVM

Benign

-0.35

MutationAssessor

Uncertain

2.5

M;M

PhyloP100

6.1

PrimateAI

Uncertain

0.59

PROVEAN

Benign

-2.3

N;N

REVEL

Uncertain

0.40

Sift

Benign

0.050

D;D

Sift4G

Uncertain

0.0040

D;D

Polyphen

0.033

B;B

Vest4

0.70

MutPred

0.52

Gain of phosphorylation at H189 (P = 0.0431);Gain of phosphorylation at H189 (P = 0.0431);

MVP

0.61

MPC

0.41

ClinPred

0.94

GERP RS

5.5

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.53

gMVP

0.52

Mutation Taster

=23/77

disease causing

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over