Genetic Variant CAMSAP3:p.Thr225Thr (chr19-7608179-G-T) – ACMG Classification: Benign (-9 pts)

Variant summary

Our verdict is Benign. The variant received -9 ACMG points: 0P and 9B. BP4_StrongBP7BS2

The NM_020902.2(CAMSAP3):c.675G>T(p.Thr225Thr) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000688 in 1,612,594 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Synonymous variant affecting the same amino acid position (i.e. T225T) has been classified as Benign.

Frequency

Genomes: 𝑓 0.00037 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000038 ( 0 hom. )

Consequence

CAMSAP3
NM_020902.2 synonymous

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -4.87

Publications

1 publications found

Variant links:

Genes affected

CAMSAP3 (HGNC:29307): (calmodulin regulated spectrin associated protein family member 3) Enables actin filament binding activity and microtubule minus-end binding activity. Involved in several processes, including microtubule cytoskeleton organization; regulation of organelle organization; and zonula adherens maintenance. Located in cytoplasm; nucleoplasm; and zonula adherens. Colocalizes with centrosome and microtubule minus-end. [provided by Alliance of Genome Resources, Apr 2022]

CAMSAP3 links:

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ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -9 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.96).

BP7

Synonymous conserved (PhyloP=-4.86 with no splicing effect.

BS2

High AC in GnomAd4 at 56 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_020902.2. 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
	CAMSAP3	NM_020902.2	MANE Select	c.675G>T	p.Thr225Thr	synonymous	Exon 5 of 17	NP_065953.1	Q9P1Y5-1
	CAMSAP3	NM_001080429.3		c.756G>T	p.Thr252Thr	synonymous	Exon 7 of 19	NP_001073898.1	Q9P1Y5-2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
CAMSAP3	ENST00000160298.9	TSL:2 MANE Select	c.675G>T	p.Thr225Thr	synonymous	Exon 5 of 17	ENSP00000160298.3	Q9P1Y5-1
CAMSAP3	ENST00000446248.4	TSL:1	c.756G>T	p.Thr252Thr	synonymous	Exon 7 of 19	ENSP00000416797.1	Q9P1Y5-2
CAMSAP3	ENST00000930508.1		c.675G>T	p.Thr225Thr	synonymous	Exon 5 of 17	ENSP00000600567.1

Frequencies

GnomAD3 genomes

AF:

0.000368

AC:

AN:

152206

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00135

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:

0.000121

AC:

AN:

247460

AF XY:

0.000119

show subpopulations

Gnomad AFR exome

AF:

0.00183

Gnomad AMR exome

AF:

0.0000580

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:

0.0000377

AC:

AN:

1460270

Hom.:

Cov.:

AF XY:

0.0000344

AC XY:

AN XY:

726464

show subpopulations

African (AFR)

AF:

0.00143

AC:

AN:

33480

American (AMR)

AF:

0.0000671

AC:

AN:

44720

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26128

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86252

European-Finnish (FIN)

AF:

0.00

AC:

AN:

51942

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111914

Other (OTH)

AF:

0.0000663

AC:

AN:

60368

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.466

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:

0.000368

AC:

AN:

152324

Hom.:

Cov.:

AF XY:

0.000322

AC XY:

AN XY:

74496

show subpopulations

African (AFR)

AF:

0.00135

AC:

AN:

41564

American (AMR)

AF:

0.00

AC:

AN:

15306

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3466

East Asian (EAS)

AF:

0.00

AC:

AN:

5184

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10626

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68024

Other (OTH)

AF:

0.00

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.496

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:

0.00

Hom.:

Bravo

AF:

0.000416

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.96

CADD

Benign

0.038

(source)

DANN

Benign

0.71

PhyloP100

-4.9

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