chrX-47619369-G-T

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP6_ModerateBS2

The NM_006950.3(SYN1):​c.360C>A​(p.Asp120Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00001 in 1,196,930 control chromosomes in the GnomAD database, with no homozygous occurrence. There are 4 hemizygotes in GnomAD. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.000045 ( 0 hom., 2 hem., cov: 22)
Exomes 𝑓: 0.0000065 ( 0 hom. 2 hem. )

Consequence

SYN1
NM_006950.3 missense

Scores

4
8
5

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.422
Variant links:
Genes affected
SYN1 (HGNC:11494): (synapsin I) This gene is a member of the synapsin gene family. Synapsins encode neuronal phosphoproteins which associate with the cytoplasmic surface of synaptic vesicles. Family members are characterized by common protein domains, and they are implicated in synaptogenesis and the modulation of neurotransmitter release, suggesting a potential role in several neuropsychiatric diseases. This member of the synapsin family plays a role in regulation of axonogenesis and synaptogenesis. The protein encoded serves as a substrate for several different protein kinases and phosphorylation may function in the regulation of this protein in the nerve terminal. Mutations in this gene may be associated with X-linked disorders with primary neuronal degeneration such as Rett syndrome. Alternatively spliced transcript variants encoding different isoforms have been identified. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

BP6
Variant X-47619369-G-T is Benign according to our data. Variant chrX-47619369-G-T is described in ClinVar as [Likely_benign]. Clinvar id is 465097.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High Hemizygotes in GnomAd4 at 2 XL gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
SYN1NM_006950.3 linkuse as main transcriptc.360C>A p.Asp120Glu missense_variant 1/13 ENST00000295987.13 NP_008881.2 P17600-1
SYN1NM_133499.2 linkuse as main transcriptc.360C>A p.Asp120Glu missense_variant 1/13 NP_598006.1 P17600-2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
SYN1ENST00000295987.13 linkuse as main transcriptc.360C>A p.Asp120Glu missense_variant 1/132 NM_006950.3 ENSP00000295987.7 P17600-1
SYN1ENST00000340666.5 linkuse as main transcriptc.360C>A p.Asp120Glu missense_variant 1/131 ENSP00000343206.4 P17600-2
SYN1ENST00000639776.1 linkuse as main transcriptc.18C>A p.Asp6Glu missense_variant 1/63 ENSP00000492521.1 A0A1W2PS00
ENSG00000283743ENST00000638776.2 linkuse as main transcriptn.2833+3721C>A intron_variant 5

Frequencies

GnomAD3 genomes
AF:
0.0000445
AC:
5
AN:
112301
Hom.:
0
Cov.:
22
AF XY:
0.0000581
AC XY:
2
AN XY:
34453
show subpopulations
Gnomad AFR
AF:
0.000129
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000927
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:
0.0000326
AC:
5
AN:
153289
Hom.:
0
AF XY:
0.0000185
AC XY:
1
AN XY:
53915
show subpopulations
Gnomad AFR exome
AF:
0.000303
Gnomad AMR exome
AF:
0.0000761
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:
0.00000645
AC:
7
AN:
1084629
Hom.:
0
Cov.:
31
AF XY:
0.00000560
AC XY:
2
AN XY:
357117
show subpopulations
Gnomad4 AFR exome
AF:
0.000114
Gnomad4 AMR exome
AF:
0.0000574
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:
0.0000438
GnomAD4 genome
AF:
0.0000445
AC:
5
AN:
112301
Hom.:
0
Cov.:
22
AF XY:
0.0000581
AC XY:
2
AN XY:
34453
show subpopulations
Gnomad4 AFR
AF:
0.000129
Gnomad4 AMR
AF:
0.0000927
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
Alfa
AF:
0.0000868
Hom.:
0
Bravo
AF:
0.0000907
ESP6500AA
AF:
0.000297
AC:
1
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.00000853
AC:
1

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Epilepsy, X-linked 1, with variable learning disabilities and behavior disorders Benign:1
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpOct 13, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.94
BayesDel_addAF
Benign
-0.039
T
BayesDel_noAF
Benign
-0.29
CADD
Benign
17
DANN
Uncertain
0.99
DEOGEN2
Pathogenic
0.82
D;.
FATHMM_MKL
Benign
0.41
N
LIST_S2
Uncertain
0.92
D;D
M_CAP
Pathogenic
0.63
D
MetaRNN
Uncertain
0.74
D;D
MetaSVM
Benign
-0.62
T
MutationAssessor
Uncertain
2.0
M;M
PrimateAI
Pathogenic
0.85
D
PROVEAN
Uncertain
-3.2
D;D
REVEL
Uncertain
0.36
Sift
Uncertain
0.0020
D;D
Sift4G
Uncertain
0.0040
D;D
Polyphen
0.92
P;D
Vest4
0.67
MutPred
0.92
Loss of sheet (P = 0.0817);Loss of sheet (P = 0.0817);
MVP
0.71
MPC
1.5
ClinPred
0.40
T
GERP RS
-1.1
Varity_R
0.71
gMVP
0.77

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: rs372165835; hg19: chrX-47478768; API