dbSNP rs766391572: IFT56:c.793-15T>A (chr7-139165117-T-A) – ACMG Classification: Likely_benign (-4 pts)

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_024926.4(IFT56):c.793-15T>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000387 in 1,600,184 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.000033 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000039 ( 0 hom. )

Consequence

IFT56
NM_024926.4 intron

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.0200

Publications

0 publications found

Variant links:

Genes affected

IFT56 (HGNC:21882): (intraflagellar transport 56) Predicted to enable intraciliary transport particle B binding activity. Predicted to be involved in cilium organization; protein localization to cilium; and smoothened signaling pathway. Predicted to act upstream of or within manchette assembly. Predicted to be located in cilium. Predicted to be part of intraciliary transport particle B. Predicted to be active in ciliary basal body and ciliary base. [provided by Alliance of Genome Resources, Apr 2022]

IFT56 Gene-Disease associations (from GenCC):

biliary, renal, neurologic, and skeletal syndrome
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)

IFT56 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.84).

BP6

Variant 7-139165117-T-A is Benign according to our data. Variant chr7-139165117-T-A is described in ClinVar as [Likely_benign]. Clinvar id is 1919440.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
IFT56	NM_024926.4 link	c.793-15T>A		intron_variant	Intron 8 of 17	ENST00000464848.5	NP_079202.2	A0AVF1-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
IFT56	ENST00000464848.5 link	c.793-15T>A		intron_variant	Intron 8 of 17	1	NM_024926.4	ENSP00000419279.1		A0AVF1-1
IFT56	ENST00000478836.6 link	c.475-15T>A		intron_variant	Intron 6 of 15	2		ENSP00000419178.2		B7Z6R6

Frequencies

GnomAD3 genomes

AF:

0.0000329

AC:

AN:

152188

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

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:

0.0000588

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00000812

AC:

AN:

246296

AF XY:

0.00000752

show subpopulations

Gnomad AFR exome

AF:

0.0000624

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000896

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000394

AC:

AN:

1447996

Hom.:

Cov.:

AF XY:

0.0000402

AC XY:

AN XY:

720718

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33142

American (AMR)

AF:

0.00

AC:

AN:

44020

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25854

East Asian (EAS)

AF:

0.00

AC:

AN:

39440

South Asian (SAS)

AF:

0.00

AC:

AN:

84974

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53300

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5740

European-Non Finnish (NFE)

AF:

0.0000472

AC:

AN:

1101616

Other (OTH)

AF:

0.0000835

AC:

AN:

59910

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.500

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000329

AC:

AN:

152188

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74348

show subpopulations

African (AFR)

AF:

0.0000241

AC:

AN:

41446

American (AMR)

AF:

0.00

AC:

AN:

15270

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5196

South Asian (SAS)

AF:

0.00

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10620

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000588

AC:

AN:

68034

Other (OTH)

AF:

0.00

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.515

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000302

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Benign:1

Aug 24, 2022

Labcorp Genetics (formerly Invitae), Labcorp

Significance:Likely 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

-0.84

CADD

Benign

0.44

(source)

DANN

Benign

0.63

PhyloP100

0.020

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

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rs766391572

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over