dbSNP rs371732188: ALCAM:p.Val47Glu (chr3-105520133-T-A) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_001627.4(ALCAM):c.140T>A(p.Val47Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,460,928 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. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. V47I) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

ALCAM
NM_001627.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.36

Publications

0 publications found

Variant links:

Genes affected

ALCAM (HGNC:400): (activated leukocyte cell adhesion molecule) This gene encodes activated leukocyte cell adhesion molecule (ALCAM), also known as CD166 (cluster of differentiation 166), which is a member of a subfamily of immunoglobulin receptors with five immunoglobulin-like domains (VVC2C2C2) in the extracellular domain. This protein binds to T-cell differentiation antigene CD6, and is implicated in the processes of cell adhesion and migration. Multiple alternatively spliced transcript variants encoding different isoforms have been found. [provided by RefSeq, Aug 2011]

ALCAM links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.37772143).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ALCAM	NM_001627.4 link	c.140T>A	p.Val47Glu	missense_variant	Exon 2 of 16	ENST00000306107.9	NP_001618.2	Q13740-1
ALCAM	NM_001243280.2 link	c.140T>A	p.Val47Glu	missense_variant	Exon 2 of 15		NP_001230209.1	Q13740-2
ALCAM	NM_001243281.2 link	c.140T>A	p.Val47Glu	missense_variant	Exon 2 of 14		NP_001230210.1	B3KNN9
ALCAM	NM_001243283.2 link	c.140T>A	p.Val47Glu	missense_variant	Exon 2 of 3		NP_001230212.1	Q13740-3

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ALCAM	ENST00000306107.9 link	c.140T>A	p.Val47Glu	missense_variant	Exon 2 of 16	1	NM_001627.4	ENSP00000305988.5		Q13740-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1460928

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726822

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33446

American (AMR)

AF:

0.00

AC:

AN:

44716

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26112

East Asian (EAS)

AF:

0.00

AC:

AN:

39616

South Asian (SAS)

AF:

0.00

AC:

AN:

86232

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53408

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5760

European-Non Finnish (NFE)

AF:

9.00e-7

AC:

AN:

1111276

Other (OTH)

AF:

0.00

AC:

AN:

60362

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.25

BayesDel_addAF

Benign

-0.11

BayesDel_noAF

Benign

-0.40

CADD

Pathogenic

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.13

T;.

Eigen

Uncertain

0.33

Eigen_PC

Uncertain

0.37

FATHMM_MKL

Uncertain

0.91

LIST_S2

Uncertain

0.91

D;D

M_CAP

Benign

0.013

MetaRNN

Benign

0.38

T;T

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.0

N;N

PhyloP100

3.4

PrimateAI

Uncertain

0.57

PROVEAN

Benign

-0.59

N;N

REVEL

Benign

0.17

Sift

Uncertain

0.027

D;D

Sift4G

Uncertain

0.029

D;D

Polyphen

1.0

D;.

Vest4

0.60

MutPred

0.50

Gain of solvent accessibility (P = 0.005);Gain of solvent accessibility (P = 0.005);

MVP

0.33

MPC

0.40

ClinPred

0.70

GERP RS

5.5

Varity_R

0.27

gMVP

0.89

Mutation Taster

=65/35

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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rs371732188

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over