rs35520756

Variant names:

Your query was ambiguous. Multiple possible variants found:

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1

The NM_024649.5(BBS1):c.700G>A(p.Glu234Lys) variant causes a missense change. The variant allele was found at a frequency of 0.00546 in 1,613,416 control chromosomes in the GnomAD database, including 409 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.029 ( 216 hom., cov: 32)

Exomes 𝑓: 0.0030 ( 193 hom. )

Consequence

BBS1
NM_024649.5 missense

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts P:1B:12

Conservation

PhyloP100: 5.86

Publications

16 publications found

Variant links:

Genes affected

BBS1 (HGNC:966): (Bardet-Biedl syndrome 1) Mutations in this gene have been observed in patients with the major form (type 1) of Bardet-Biedl syndrome. The encoded protein may play a role in eye, limb, cardiac and reproductive system development. [provided by RefSeq, Jul 2008]

BBS1 Gene-Disease associations (from GenCC):

Bardet-Biedl syndrome 1
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: Myriad Women’s Health, Genomics England PanelApp, Ambry Genetics, Labcorp Genetics (formerly Invitae), G2P
BBS1-related ciliopathy
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
Bardet-Biedl syndrome
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

BBS1 links:

ENSG00000256349 (HGNC:):

ENSG00000256349 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.0036582947).

BP6

Variant 11-66519725-G-A is Benign according to our data. Variant chr11-66519725-G-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 12148.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BA1

GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0993 is higher than 0.05.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_024649.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	BBS1	NM_024649.5	MANE Select	c.700G>A	p.Glu234Lys	missense	Exon 8 of 17	NP_078925.3

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
BBS1	ENST00000318312.12	TSL:1 MANE Select	c.700G>A	p.Glu234Lys	missense	Exon 8 of 17	ENSP00000317469.7	Q8NFJ9-1
ENSG00000256349	ENST00000419755.3	TSL:2	c.811G>A	p.Glu271Lys	missense	Exon 8 of 17	ENSP00000398526.3
BBS1	ENST00000393994.4	TSL:1	c.700G>A	p.Glu234Lys	missense	Exon 8 of 13	ENSP00000377563.2	Q8NFJ9-3

Frequencies

GnomAD3 genomes

AF:

0.0294

AC:

4464

AN:

151898

Hom.:

216

Cov.:

show subpopulations

Gnomad AFR

AF:

0.102

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0115

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000193

Gnomad SAS

AF:

0.000625

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00949

Gnomad NFE

AF:

0.000441

Gnomad OTH

AF:

0.0187

GnomAD2 exomes

AF:

0.00768

AC:

1927

AN:

251044

AF XY:

0.00543

show subpopulations

Gnomad AFR exome

AF:

0.105

Gnomad AMR exome

AF:

0.00474

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000264

Gnomad OTH exome

AF:

0.00342

GnomAD4 exome

AF:

0.00297

AC:

4343

AN:

1461400

Hom.:

193

Cov.:

AF XY:

0.00248

AC XY:

1800

AN XY:

727026

show subpopulations

African (AFR)

AF:

0.104

AC:

3483

AN:

33474

American (AMR)

AF:

0.00537

AC:

240

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.000230

AC:

AN:

26134

East Asian (EAS)

AF:

0.0000756

AC:

AN:

39694

South Asian (SAS)

AF:

0.000139

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53036

Middle Eastern (MID)

AF:

0.00468

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.000185

AC:

206

AN:

1111928

Other (OTH)

AF:

0.00606

AC:

366

AN:

60386

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

252

503

755

1006

1258

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

120

240

360

480

600

<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:

0.0294

AC:

4474

AN:

152016

Hom.:

216

Cov.:

AF XY:

0.0283

AC XY:

2100

AN XY:

74286

show subpopulations

African (AFR)

AF:

0.102

AC:

4223

AN:

41446

American (AMR)

AF:

0.0115

AC:

175

AN:

15252

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3464

East Asian (EAS)

AF:

0.000194

AC:

AN:

5162

South Asian (SAS)

AF:

0.000626

AC:

AN:

4794

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10594

Middle Eastern (MID)

AF:

0.0102

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000441

AC:

AN:

67988

Other (OTH)

AF:

0.0185

AC:

AN:

2112

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.501

Heterozygous variant carriers

196

391

587

782

978

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

Variant carriers

138

184

230

<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:

0.0116

Hom.:

201

Bravo

AF:

0.0339

TwinsUK

AF:

0.000270

AC:

ALSPAC

AF:

0.000259

AC:

ESP6500AA

AF:

0.0995

AC:

438

ESP6500EA

AF:

0.000582

AC:

ExAC

AF:

0.00928

AC:

1127

Asia WGS

AF:

0.00346

AC:

AN:

3478

EpiCase

AF:

0.000491

EpiControl

AF:

0.000533

ClinVar

ClinVar submissions

Significance:Benign/Likely benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

Bardet-Biedl syndrome 1 (4)

not provided (3)

not specified (3)

Bardet-Biedl syndrome (1)

Bardet-Biedl syndrome 1/7, digenic (1)

BBS1-related ciliopathy (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.17

BayesDel_addAF

Benign

-0.27

BayesDel_noAF

Uncertain

-0.080

CADD

Uncertain

(source)

DANN

Pathogenic

1.0

DEOGEN2

Uncertain

0.68

Eigen

Uncertain

0.49

Eigen_PC

Uncertain

0.54

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.87

MetaRNN

Benign

0.0037

MetaSVM

Benign

-0.48

MutationAssessor

Benign

1.8

PhyloP100

5.9

PrimateAI

Benign

0.47

PROVEAN

Benign

-2.3

REVEL

Uncertain

0.55

Sift

Benign

0.089

Sift4G

Uncertain

0.034

Polyphen

0.99

Vest4

0.34

MVP

0.95

MPC

0.29

ClinPred

0.056

GERP RS

5.6

Varity_R

0.16

gMVP

0.58

Mutation Taster

=85/15

polymorphism (auto)

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over