Genetic Variant CCDC66:c.11+16_11+17insAGGGGTAAGCAGGGGTAAGCAGGGGTAAGC (chr3-56557250-T-TGGGGTAAGCAGGGGTAAGCAGGGGTAAGCA) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 0P and 0B.

The NM_001141947.3(CCDC66):c.11+16_11+17insAGGGGTAAGCAGGGGTAAGCAGGGGTAAGC variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000517 in 1,546,964 control chromosomes in the GnomAD database, with no homozygous occurrence. It is difficult to determine the true allele frequency of this variant because it is of type INS_BIG, and the frequency of such variant types in population databases may be underestimated and unreliable. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 0)

Exomes 𝑓: 0.0000050 ( 0 hom. )

Consequence

CCDC66
NM_001141947.3 intron

Scores

Not classified

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.359

Publications

3 publications found

Variant links:

Genes affected

CCDC66 (HGNC:27709): (coiled-coil domain containing 66) Enables microtubule binding activity. Involved in cilium assembly; microtubule bundle formation; and regulation of protein localization to cilium. Located in several cellular components, including Flemming body; microtubule cytoskeleton; and photoreceptor inner segment. [provided by Alliance of Genome Resources, Apr 2022]

CCDC66 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001141947.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein
CCDC66	NM_001141947.3	MANE Select	c.11+16_11+17insAGGGGTAAGCAGGGGTAAGCAGGGGTAAGC	intron	N/A	NP_001135419.1
CCDC66	NM_001353147.1		c.11+16_11+17insAGGGGTAAGCAGGGGTAAGCAGGGGTAAGC	intron	N/A	NP_001340076.1
CCDC66	NM_001353148.1		c.11+16_11+17insAGGGGTAAGCAGGGGTAAGCAGGGGTAAGC	intron	N/A	NP_001340077.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein
CCDC66	ENST00000394672.8	TSL:1 MANE Select	c.11_11+1insGTAAGCAGGGGTAAGCAGGGGTAAGCAGGG	splice_donor intron	N/A	ENSP00000378167.3
CCDC66	ENST00000326595.11	TSL:1	c.-92+19_-92+20insGTAAGCAGGGGTAAGCAGGGGTAAGCAGGG	intron	N/A	ENSP00000326050.7
CCDC66	ENST00000341455.10	TSL:1	n.11_11+1insGTAAGCAGGGGTAAGCAGGGGTAAGCAGGG	splice_donor intron	N/A	ENSP00000343840.6

Frequencies

GnomAD3 genomes

AF:

0.00000665

AC:

AN:

150448

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000245

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

GnomAD4 exome

AF:

0.00000501

AC:

AN:

1396516

Hom.:

Cov.:

AF XY:

0.00000581

AC XY:

AN XY:

688726

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

31554

American (AMR)

AF:

0.00

AC:

AN:

35640

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25140

East Asian (EAS)

AF:

0.00

AC:

AN:

35704

South Asian (SAS)

AF:

0.00

AC:

AN:

79180

European-Finnish (FIN)

AF:

0.00

AC:

AN:

48776

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5688

European-Non Finnish (NFE)

AF:

0.00000650

AC:

AN:

1076896

Other (OTH)

AF:

0.00

AC:

AN:

57938

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.504

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:

0.00000665

AC:

AN:

150448

Hom.:

Cov.:

AF XY:

0.0000136

AC XY:

AN XY:

73292

show subpopulations

African (AFR)

AF:

0.0000245

AC:

AN:

40862

American (AMR)

AF:

0.00

AC:

AN:

15120

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3462

East Asian (EAS)

AF:

0.00

AC:

AN:

4998

South Asian (SAS)

AF:

0.00

AC:

AN:

4704

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10386

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

67634

Other (OTH)

AF:

0.00

AC:

AN:

2060

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.625

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

PhyloP100

0.36

Mutation Taster

=64/136

disease causing (fs/PTC)

(source)

Splicing

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over