Genetic Variant CEP135:p.Ser622Ser (chr4-55991942-C-T) – ACMG Classification: Likely_benign (-3 pts)

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 2P and 5B. PM2BP4_StrongBP7

The NM_025009.5(CEP135):c.1866C>T(p.Ser622Ser) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000824 in 1,456,890 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.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000084 ( 0 hom. )

Consequence

CEP135
NM_025009.5 synonymous

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.695

Publications

0 publications found

Variant links:

Genes affected

CEP135 (HGNC:29086): (centrosomal protein 135) This gene encodes a centrosomal protein, which acts as a scaffolding protein during early centriole biogenesis, and is also required for centriole-centriole cohesion during interphase. Mutations in this gene are associated with autosomal recessive primary microcephaly-8. [provided by RefSeq, Jun 2012]

CEP135 Gene-Disease associations (from GenCC):

microcephaly 8, primary, autosomal recessive
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae), G2P
autosomal recessive primary microcephaly
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

CEP135 links:

ENSG00000299857 (HGNC:):

ENSG00000299857 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.6).

BP7

Synonymous conserved (PhyloP=-0.695 with no splicing effect.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CEP135	NM_025009.5 link	c.1866C>T	p.Ser622Ser	synonymous_variant	Exon 15 of 26	ENST00000257287.5	NP_079285.2	Q66GS9-1
CEP135	XM_006714055.4 link	c.1833C>T	p.Ser611Ser	synonymous_variant	Exon 15 of 26		XP_006714118.1
CEP135	XM_005265788.5 link	c.795C>T	p.Ser265Ser	synonymous_variant	Exon 8 of 19		XP_005265845.1
CEP135	XM_011534412.2 link	c.336C>T	p.Ser112Ser	synonymous_variant	Exon 5 of 16		XP_011532714.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
CEP135	ENST00000257287.5 link	c.1866C>T	p.Ser622Ser	synonymous_variant	Exon 15 of 26	1	NM_025009.5	ENSP00000257287.3	Q66GS9-1
CEP135	ENST00000506202.1 link	n.1816C>T		non_coding_transcript_exon_variant	Exon 8 of 19	1
ENSG00000299857	ENST00000766957.1 link	n.107+5510G>A		intron_variant	Intron 1 of 1

Frequencies

GnomAD3 genomes

AF:

0.00000660

AC:

AN:

151408

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000243

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:

0.0000104

AC:

AN:

192638

AF XY:

0.00000943

show subpopulations

Gnomad AFR exome

AF:

0.000159

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:

0.00000843

AC:

AN:

1305482

Hom.:

Cov.:

AF XY:

0.0000107

AC XY:

AN XY:

652952

show subpopulations

African (AFR)

AF:

0.000109

AC:

AN:

27554

American (AMR)

AF:

0.0000670

AC:

AN:

29842

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

23368

East Asian (EAS)

AF:

0.00

AC:

AN:

36890

South Asian (SAS)

AF:

0.0000549

AC:

AN:

72830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52234

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4586

European-Non Finnish (NFE)

AF:

0.00000199

AC:

AN:

1003948

Other (OTH)

AF:

0.00

AC:

AN:

54230

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.434

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:

0.00000660

AC:

AN:

151408

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

73858

show subpopulations

African (AFR)

AF:

0.0000243

AC:

AN:

41148

American (AMR)

AF:

0.00

AC:

AN:

15194

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3462

East Asian (EAS)

AF:

0.00

AC:

AN:

5180

South Asian (SAS)

AF:

0.00

AC:

AN:

4814

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:

67918

Other (OTH)

AF:

0.00

AC:

AN:

2078

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

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:

0.0000330

Hom.:

Bravo

AF:

0.0000113

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.60

CADD

Benign

5.3

(source)

DANN

Benign

0.65

PhyloP100

-0.69

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.12

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

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over