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GeneBe

rs145316065

Variant summary

Our verdict is Benign. Variant got -19 ACMG points: 0P and 19B. BP4_ModerateBP6_Very_StrongBP7BS1BS2

The NM_025137.4(SPG11):c.1906C>T(p.Leu636=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000874 in 1,613,192 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★). Synonymous variant affecting the same amino acid position (i.e. L636L) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.00053 ( 1 hom., cov: 32)
Exomes 𝑓: 0.000041 ( 2 hom. )

Consequence

SPG11
NM_025137.4 synonymous

Scores

2

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 0.565
Variant links:
Genes affected
SPG11 (HGNC:11226): (SPG11 vesicle trafficking associated, spatacsin) The protein encoded by this gene is a potential transmembrane protein that is phosphorylated upon DNA damage. Defects in this gene are a cause of spastic paraplegia type 11 (SPG11). Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, May 2009]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -19 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.41).
BP6
Variant 15-44628830-G-A is Benign according to our data. Variant chr15-44628830-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 466510.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=0.565 with no splicing effect.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.000532 (81/152256) while in subpopulation AFR AF= 0.00185 (77/41574). AF 95% confidence interval is 0.00152. There are 1 homozygotes in gnomad4. There are 35 alleles in male gnomad4 subpopulation. This position pass quality control queck.
BS2
High Homozygotes in GnomAdExome at 2 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SPG11NM_025137.4 linkuse as main transcriptc.1906C>T p.Leu636= synonymous_variant 10/40 ENST00000261866.12

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SPG11ENST00000261866.12 linkuse as main transcriptc.1906C>T p.Leu636= synonymous_variant 10/401 NM_025137.4 Q96JI7-1

Frequencies

GnomAD3 genomes
AF:
0.000532
AC:
81
AN:
152138
Hom.:
1
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00186
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000196
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:
0.000478
GnomAD3 exomes
AF:
0.000132
AC:
33
AN:
250512
Hom.:
2
AF XY:
0.0000591
AC XY:
8
AN XY:
135454
show subpopulations
Gnomad AFR exome
AF:
0.00197
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:
0.000164
GnomAD4 exome
AF:
0.0000411
AC:
60
AN:
1460936
Hom.:
2
Cov.:
32
AF XY:
0.0000303
AC XY:
22
AN XY:
726818
show subpopulations
Gnomad4 AFR exome
AF:
0.00155
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:
0.000133
GnomAD4 genome
AF:
0.000532
AC:
81
AN:
152256
Hom.:
1
Cov.:
32
AF XY:
0.000470
AC XY:
35
AN XY:
74462
show subpopulations
Gnomad4 AFR
AF:
0.00185
Gnomad4 AMR
AF:
0.000196
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:
0.000473
Alfa
AF:
0.000348
Hom.:
0
Bravo
AF:
0.000608

ClinVar

Significance: Likely benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Inborn genetic diseases Benign:1
Likely benign, criteria provided, single submitterclinical testingAmbry GeneticsJul 11, 2019This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -
Hereditary spastic paraplegia 11 Benign:1
Likely benign, criteria provided, single submitterclinical testingInvitaeJan 31, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.41
Cadd
Benign
9.2
Dann
Benign
0.73

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: rs145316065; hg19: chr15-44921028; API