rs115809567

Variant summary

Our verdict is Benign. The variant received -18 ACMG points: 0P and 18B. BP4_ModerateBP6_Very_StrongBS1BS2

The NM_198428.3(BBS9):​c.2220G>A​(p.Leu740Leu) variant causes a synonymous change. The variant allele was found at a frequency of 0.00132 in 1,614,124 control chromosomes in the GnomAD database, including 20 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0070 ( 15 hom., cov: 33)
Exomes 𝑓: 0.00072 ( 5 hom. )

Consequence

BBS9
NM_198428.3 synonymous

Scores

2

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:5

Conservation

PhyloP100: 4.00

Publications

3 publications found
Variant links:
Genes affected
BBS9 (HGNC:30000): (Bardet-Biedl syndrome 9) This gene is downregulated by parathyroid hormone in osteoblastic cells, and therefore is thought to be involved in parathyroid hormone action in bones. The exact function of this gene has not yet been determined. Alternatively spliced transcript variants encoding different isoforms have been identified. [provided by RefSeq, Jan 2017]
BBS9 Gene-Disease associations (from GenCC):
  • Bardet-Biedl syndrome 9
    Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: G2P, Labcorp Genetics (formerly Invitae), Genomics England PanelApp
  • ciliopathy
    Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
  • Bardet-Biedl syndrome
    Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -18 ACMG points.

BP4
Computational evidence support a benign effect (REVEL=0.142).
BP6
Variant 7-33505567-G-A is Benign according to our data. Variant chr7-33505567-G-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 263123.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.00704 (1073/152362) while in subpopulation AFR AF = 0.0243 (1012/41578). AF 95% confidence interval is 0.0231. There are 15 homozygotes in GnomAd4. There are 508 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.
BS2
High Homozygotes in GnomAd4 at 15 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
BBS9NM_198428.3 linkc.2220G>A p.Leu740Leu synonymous_variant Exon 20 of 23 ENST00000242067.11 NP_940820.1 Q3SYG4-1A0A090N8P4

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
BBS9ENST00000242067.11 linkc.2220G>A p.Leu740Leu synonymous_variant Exon 20 of 23 1 NM_198428.3 ENSP00000242067.6 Q3SYG4-1

Frequencies

GnomAD3 genomes
AF:
0.00705
AC:
1073
AN:
152244
Hom.:
16
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0244
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00255
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00316
Gnomad NFE
AF:
0.0000735
Gnomad OTH
AF:
0.00716
GnomAD2 exomes
AF:
0.00198
AC:
496
AN:
250864
AF XY:
0.00145
show subpopulations
Gnomad AFR exome
AF:
0.0276
Gnomad AMR exome
AF:
0.00104
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000530
Gnomad OTH exome
AF:
0.000981
GnomAD4 exome
AF:
0.000720
AC:
1053
AN:
1461762
Hom.:
5
Cov.:
31
AF XY:
0.000656
AC XY:
477
AN XY:
727180
show subpopulations
African (AFR)
AF:
0.0258
AC:
865
AN:
33468
American (AMR)
AF:
0.000984
AC:
44
AN:
44716
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26134
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39696
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86254
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53414
Middle Eastern (MID)
AF:
0.000522
AC:
3
AN:
5742
European-Non Finnish (NFE)
AF:
0.0000504
AC:
56
AN:
1111954
Other (OTH)
AF:
0.00141
AC:
85
AN:
60384
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.479
Heterozygous variant carriers
0
64
128
193
257
321
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
28
56
84
112
140
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.00704
AC:
1073
AN:
152362
Hom.:
15
Cov.:
33
AF XY:
0.00682
AC XY:
508
AN XY:
74516
show subpopulations
African (AFR)
AF:
0.0243
AC:
1012
AN:
41578
American (AMR)
AF:
0.00255
AC:
39
AN:
15310
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5190
South Asian (SAS)
AF:
0.000207
AC:
1
AN:
4824
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10624
Middle Eastern (MID)
AF:
0.00340
AC:
1
AN:
294
European-Non Finnish (NFE)
AF:
0.0000735
AC:
5
AN:
68042
Other (OTH)
AF:
0.00709
AC:
15
AN:
2116
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.495
Heterozygous variant carriers
0
60
121
181
242
302
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
20
40
60
80
100
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.00294
Hom.:
7
Bravo
AF:
0.00846
Asia WGS
AF:
0.00231
AC:
8
AN:
3478
EpiCase
AF:
0.00
EpiControl
AF:
0.000119

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:5
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:2
-
PreventionGenetics, part of Exact Sciences
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

May 17, 2017
Genetic Services Laboratory, University of Chicago
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Bardet-Biedl syndrome 9 Benign:2
Apr 27, 2017
Illumina Laboratory Services, Illumina
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant was observed as part of a predisposition screen in an ostensibly healthy population. A literature search was performed for the gene, cDNA change, and amino acid change (where applicable). Publications were found based on this search. The evidence from the literature, in combination with allele frequency data from public databases where available, was sufficient to rule this variant out of causing disease. Therefore, this variant is classified as benign. -

Jul 21, 2021
Fulgent Genetics, Fulgent Genetics
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Bardet-Biedl syndrome Benign:1
Feb 03, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.40
CADD
Benign
5.5
DANN
Benign
0.72
PhyloP100
4.0
Mutation Taster
=90/10
polymorphism

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

Other links and lift over

dbSNP: rs115809567; hg19: chr7-33545179; API