Genetic Variant CLTCL1:p.Ala1466Pro (chr22-19188019-C-G) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_007098.4(CLTCL1):c.4396G>C(p.Ala1466Pro) variant causes a missense change. The variant allele was found at a frequency of 0.00000657 in 152,224 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. A1466T) has been classified as Uncertain significance.

Frequency

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

Consequence

CLTCL1
NM_007098.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 5.41

Publications

0 publications found

Variant links:

Genes affected

CLTCL1 (HGNC:2093): (clathrin heavy chain like 1) This gene is a member of the clathrin heavy chain family and encodes a major protein of the polyhedral coat of coated pits and vesicles. Chromosomal aberrations involving this gene are associated with meningioma, DiGeorge syndrome, and velo-cardio-facial syndrome. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jun 2009]

CLTCL1 Gene-Disease associations (from GenCC):

congenital insensitivity to pain with severe intellectual disability
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet
multiple congenital anomalies/dysmorphic syndrome
Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics

CLTCL1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.853

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_007098.4. 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
	CLTCL1	NM_007098.4	MANE Select	c.4396G>C	p.Ala1466Pro	missense	Exon 28 of 33	NP_009029.3	P53675-1
	CLTCL1	NM_001835.4		c.4396G>C	p.Ala1466Pro	missense	Exon 28 of 32	NP_001826.3	P53675-2

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
CLTCL1	ENST00000427926.6	TSL:1 MANE Select	c.4396G>C	p.Ala1466Pro	missense	Exon 28 of 33	ENSP00000441158.1	P53675-1
CLTCL1	ENST00000621271.4	TSL:1	c.4396G>C	p.Ala1466Pro	missense	Exon 28 of 32	ENSP00000485020.1	P53675-2
CLTCL1	ENST00000615606.4	TSL:1	n.4489G>C		non_coding_transcript_exon	Exon 27 of 30

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152224

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

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:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152224

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74374

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41462

American (AMR)

AF:

0.00

AC:

AN:

15278

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:

4830

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10632

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68036

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.66

BayesDel_addAF

Pathogenic

0.18

BayesDel_noAF

Uncertain

0.030

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.32

Eigen

Pathogenic

0.81

Eigen_PC

Pathogenic

0.69

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.96

M_CAP

Benign

0.010

MetaRNN

Pathogenic

0.85

MetaSVM

Benign

-0.37

MutationAssessor

Pathogenic

3.3

PhyloP100

5.4

PrimateAI

Uncertain

0.65

PROVEAN

Pathogenic

-4.5

REVEL

Uncertain

0.42

Sift

Uncertain

0.0010

Sift4G

Pathogenic

0.0010

Polyphen

0.99

Vest4

0.87

MutPred

0.63

Gain of disorder (P = 0.0457)

MVP

0.60

ClinPred

0.99

GERP RS

4.1

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.0

Varity_R

0.92

gMVP

0.84

Mutation Taster

=61/39

polymorphism

(source)

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over