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GeneBe

16-13235154-C-A

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001145204.3(SHISA9):c.1020C>A(p.His340Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000644 in 1,551,614 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/17 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000039 ( 0 hom., cov: 31)
Exomes 𝑓: 0.0000029 ( 0 hom. )

Consequence

SHISA9
NM_001145204.3 missense

Scores

1
15

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -2.14
Variant links:
Genes affected
SHISA9 (HGNC:37231): (shisa family member 9) Predicted to enable PDZ domain binding activity. Predicted to be involved in regulation of AMPA receptor activity and regulation of short-term neuronal synaptic plasticity. Predicted to be located in synapse. Predicted to be part of AMPA glutamate receptor complex. Predicted to be active in glutamatergic synapse; postsynaptic density; and synaptic membrane. Predicted to be integral component of postsynaptic density membrane. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.023183614).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SHISA9NM_001145204.3 linkuse as main transcriptc.1020C>A p.His340Gln missense_variant 5/5 ENST00000558583.3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SHISA9ENST00000558583.3 linkuse as main transcriptc.1020C>A p.His340Gln missense_variant 5/55 NM_001145204.3 P1B4DS77-1
SHISA9ENST00000566106.1 linkuse as main transcriptn.416C>A non_coding_transcript_exon_variant 3/34

Frequencies

GnomAD3 genomes
AF:
0.0000394
AC:
6
AN:
152136
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.000145
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
GnomAD3 exomes
AF:
0.0000127
AC:
2
AN:
157010
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
83154
show subpopulations
Gnomad AFR exome
AF:
0.000249
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:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000286
AC:
4
AN:
1399478
Hom.:
0
Cov.:
34
AF XY:
0.00
AC XY:
0
AN XY:
690244
show subpopulations
Gnomad4 AFR exome
AF:
0.0000633
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:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.0000345
GnomAD4 genome
AF:
0.0000394
AC:
6
AN:
152136
Hom.:
0
Cov.:
31
AF XY:
0.00
AC XY:
0
AN XY:
74322
show subpopulations
Gnomad4 AFR
AF:
0.000145
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000189
ESP6500AA
AF:
0.000723
AC:
1
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.000112
AC:
3

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 GeneticsFeb 27, 2024The c.1020C>A (p.H340Q) alteration is located in exon 5 (coding exon 5) of the SHISA9 gene. This alteration results from a C to A substitution at nucleotide position 1020, causing the histidine (H) at amino acid position 340 to be replaced by a glutamine (Q). 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
0.077
BayesDel_addAF
Benign
-0.41
T
BayesDel_noAF
Benign
-0.53
Cadd
Benign
0.0050
Dann
Benign
0.61
DEOGEN2
Benign
0.0099
T
Eigen
Benign
-1.8
Eigen_PC
Benign
-1.9
FATHMM_MKL
Benign
0.057
N
LIST_S2
Benign
0.49
T
M_CAP
Benign
0.014
T
MetaRNN
Benign
0.023
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
0.90
L
MutationTaster
Benign
1.0
N;N
PrimateAI
Uncertain
0.58
T
Sift4G
Benign
0.33
T
Polyphen
0.29
B
Vest4
0.097
MutPred
0.085
Gain of solvent accessibility (P = 0.0338);
MVP
0.014
ClinPred
0.027
T
GERP RS
-8.6
Varity_R
0.050
gMVP
0.60

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs369282196; hg19: chr16-13329011; API