Genetic Variant CFAP300:c.110+1G>T (chr11-102047581-G-T) – ACMG Classification: Likely_pathogenic (6 pts)

Variant summary

Our verdict is Likely pathogenic. The variant received 6 ACMG points: 6P and 0B. PVS1_StrongPP5_Moderate

The NM_032930.3(CFAP300):c.110+1G>T variant causes a splice donor, intron change. The variant allele was found at a frequency of 0.00000521 in 1,535,668 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. 3/3 splice prediction tools predicting alterations to normal splicing. Variant has been reported in ClinVar as Likely pathogenic (★).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000029 ( 0 hom. )

Consequence

CFAP300
NM_032930.3 splice_donor, intron

Scores

Splicing: ADA: 1.000

Clinical Significance

Likely pathogenic criteria provided, single submitter P:1

Conservation

PhyloP100: 3.89

Publications

0 publications found

Variant links:

Genes affected

CFAP300 (HGNC:28188): (cilia and flagella associated protein 300) Predicted to be located in cytoplasm and motile cilium. Implicated in primary ciliary dyskinesia 38. [provided by Alliance of Genome Resources, Apr 2022]

CFAP300 Gene-Disease associations (from GenCC):

ciliary dyskinesia, primary, 38
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: ClinGen, G2P, Labcorp Genetics (formerly Invitae)
primary ciliary dyskinesia
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

CFAP300 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_pathogenic. The variant received 6 ACMG points.

PVS1

Splicing +-2 bp (donor or acceptor) variant, product NOT destroyed by NMD, known LOF gene, truncates exone, which is 0.17910448 fraction of the gene. No cryptic splice site detected. Exon removal is inframe change.

PP5

Variant 11-102047581-G-T is Pathogenic according to our data. Variant chr11-102047581-G-T is described in ClinVar as Likely_pathogenic. ClinVar VariationId is 2785963.Status of the report is criteria_provided_single_submitter, 1 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_032930.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein	UniProt
CFAP300	NM_032930.3	MANE Select	c.110+1G>T	splice_donor intron	N/A	NP_116319.2	Q9BRQ4-1
CFAP300	NM_001441265.1		c.110+1G>T	splice_donor intron	N/A	NP_001428194.1
CFAP300	NM_001363505.2		c.110+1G>T	splice_donor intron	N/A	NP_001350434.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein	UniProt
CFAP300	ENST00000434758.7	TSL:2 MANE Select	c.110+1G>T	splice_donor intron	N/A	ENSP00000414390.2	Q9BRQ4-1
CFAP300	ENST00000534360.1	TSL:1	c.110+1G>T	splice_donor intron	N/A	ENSP00000435482.1	Q9BRQ4-3
CFAP300	ENST00000530659.1	TSL:1	n.114G>T	non_coding_transcript_exon	Exon 1 of 6

Frequencies

GnomAD3 genomes

AF:

0.0000263

AC:

AN:

152250

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000964

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.00

AC:

AN:

138048

AF XY:

0.00

Gnomad AFR exome

AF:

0.00

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:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000289

AC:

AN:

1383418

Hom.:

Cov.:

AF XY:

0.00000293

AC XY:

AN XY:

682704

show subpopulations

African (AFR)

AF:

0.000127

AC:

AN:

31578

American (AMR)

AF:

0.00

AC:

AN:

35698

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25166

East Asian (EAS)

AF:

0.00

AC:

AN:

35722

South Asian (SAS)

AF:

0.00

AC:

AN:

79230

European-Finnish (FIN)

AF:

0.00

AC:

AN:

33934

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5690

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1078512

Other (OTH)

AF:

0.00

AC:

AN:

57888

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.512

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<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:

0.0000263

AC:

AN:

152250

Hom.:

Cov.:

AF XY:

0.0000269

AC XY:

AN XY:

74384

show subpopulations

African (AFR)

AF:

0.0000964

AC:

AN:

41478

American (AMR)

AF:

0.00

AC:

AN:

15290

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5194

South Asian (SAS)

AF:

0.00

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10628

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68036

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<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:

0.000545

Hom.:

Bravo

AF:

0.00000756

ClinVar

ClinVar submissions

Significance:Likely pathogenic

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Pathogenic

0.21

BayesDel_noAF

Uncertain

0.070

CADD

Pathogenic

(source)

DANN

Uncertain

0.99

Eigen

Pathogenic

0.87

Eigen_PC

Uncertain

0.65

FATHMM_MKL

Uncertain

0.86

PhyloP100

3.9

GERP RS

3.8

PromoterAI

-0.23

Neutral

(source)

Mutation Taster

=56/44

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Pathogenic

1.0

dbscSNV1_RF

Pathogenic

0.95

SpliceAI score (max)

0.97

Details are displayed if max score is > 0.2

DS_DL_spliceai

0.97

Position offset: -1

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