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GeneBe

8-117161811-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_173851.3(SLC30A8):c.646G>A(p.Ala216Thr) variant causes a missense change. The variant allele was found at a frequency of 0.000159 in 1,613,868 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000099 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00016 ( 0 hom. )

Consequence

SLC30A8
NM_173851.3 missense

Scores

7
6
3

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.75
Variant links:
Genes affected
SLC30A8 (HGNC:20303): (solute carrier family 30 member 8) The protein encoded by this gene is a zinc efflux transporter involved in the accumulation of zinc in intracellular vesicles. This gene is expressed at a high level only in the pancreas, particularly in islets of Langerhans. The encoded protein colocalizes with insulin in the secretory pathway granules of the insulin-secreting INS-1 cells. Allelic variants of this gene exist that confer susceptibility to diabetes mellitus, noninsulin-dependent (NIDDM). Several transcript variants encoding different isoforms have been found for this gene.[provided by RefSeq, Mar 2010]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SLC30A8NM_173851.3 linkuse as main transcriptc.646G>A p.Ala216Thr missense_variant 5/8 ENST00000456015.7
LOC105375716XR_007061067.1 linkuse as main transcriptn.819+10804C>T intron_variant, non_coding_transcript_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SLC30A8ENST00000456015.7 linkuse as main transcriptc.646G>A p.Ala216Thr missense_variant 5/81 NM_173851.3 P1Q8IWU4-1
SLC30A8ENST00000519688.5 linkuse as main transcriptc.499G>A p.Ala167Thr missense_variant 6/91 Q8IWU4-2
SLC30A8ENST00000521243.5 linkuse as main transcriptc.499G>A p.Ala167Thr missense_variant 7/101 Q8IWU4-2
SLC30A8ENST00000427715.2 linkuse as main transcriptc.499G>A p.Ala167Thr missense_variant 8/112 Q8IWU4-2

Frequencies

GnomAD3 genomes
AF:
0.0000986
AC:
15
AN:
152148
Hom.:
0
Cov.:
32
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:
0.0000943
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000191
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000637
AC:
16
AN:
251164
Hom.:
0
AF XY:
0.0000589
AC XY:
8
AN XY:
135736
show subpopulations
Gnomad AFR exome
AF:
0.0000615
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:
0.00
Gnomad NFE exome
AF:
0.000114
Gnomad OTH exome
AF:
0.000327
GnomAD4 exome
AF:
0.000165
AC:
241
AN:
1461720
Hom.:
0
Cov.:
30
AF XY:
0.000180
AC XY:
131
AN XY:
727158
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
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:
0.0000187
Gnomad4 NFE exome
AF:
0.000210
Gnomad4 OTH exome
AF:
0.0000994
GnomAD4 genome
AF:
0.0000986
AC:
15
AN:
152148
Hom.:
0
Cov.:
32
AF XY:
0.000108
AC XY:
8
AN XY:
74322
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.0000943
Gnomad4 NFE
AF:
0.000191
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000117
Hom.:
0
Bravo
AF:
0.0000680
TwinsUK
AF:
0.000539
AC:
2
ALSPAC
AF:
0.000259
AC:
1
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.0000659
AC:
8
EpiCase
AF:
0.0000546
EpiControl
AF:
0.000119

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsDec 07, 2021The c.646G>A (p.A216T) alteration is located in exon 5 (coding exon 5) of the SLC30A8 gene. This alteration results from a G to A substitution at nucleotide position 646, causing the alanine (A) at amino acid position 216 to be replaced by a threonine (T). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.23
BayesDel_addAF
Pathogenic
0.19
D
BayesDel_noAF
Pathogenic
0.27
Cadd
Uncertain
25
Dann
Pathogenic
1.0
Eigen
Pathogenic
0.84
Eigen_PC
Pathogenic
0.77
FATHMM_MKL
Uncertain
0.96
D
M_CAP
Benign
0.082
D
MetaRNN
Uncertain
0.68
D;D;D;D
MetaSVM
Uncertain
0.28
D
MutationTaster
Benign
1.0
D;D;D;D
PrimateAI
Uncertain
0.56
T
PROVEAN
Uncertain
-3.9
D;D;D;D
REVEL
Pathogenic
0.71
Sift
Pathogenic
0.0
D;D;D;D
Sift4G
Uncertain
0.0020
D;D;D;D
Polyphen
1.0
.;.;.;D
Vest4
0.56
MVP
0.94
MPC
0.32
ClinPred
0.95
D
GERP RS
4.6
Varity_R
0.85
gMVP
0.84

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: rs149524118; hg19: chr8-118174050; API