Genetic Variant ALK:p.Pro32Gln (chr2-29920565-G-T) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_004304.5(ALK):c.95C>A(p.Pro32Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict 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. P32L) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

ALK
NM_004304.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.522

Publications

0 publications found

Variant links:

Genes affected

ALK (HGNC:427): (ALK receptor tyrosine kinase) This gene encodes a receptor tyrosine kinase, which belongs to the insulin receptor superfamily. This protein comprises an extracellular domain, an hydrophobic stretch corresponding to a single pass transmembrane region, and an intracellular kinase domain. It plays an important role in the development of the brain and exerts its effects on specific neurons in the nervous system. This gene has been found to be rearranged, mutated, or amplified in a series of tumours including anaplastic large cell lymphomas, neuroblastoma, and non-small cell lung cancer. The chromosomal rearrangements are the most common genetic alterations in this gene, which result in creation of multiple fusion genes in tumourigenesis, including ALK (chromosome 2)/EML4 (chromosome 2), ALK/RANBP2 (chromosome 2), ALK/ATIC (chromosome 2), ALK/TFG (chromosome 3), ALK/NPM1 (chromosome 5), ALK/SQSTM1 (chromosome 5), ALK/KIF5B (chromosome 10), ALK/CLTC (chromosome 17), ALK/TPM4 (chromosome 19), and ALK/MSN (chromosome X).[provided by RefSeq, Jan 2011]

ALK Gene-Disease associations (from GenCC):

neuroblastoma, susceptibility to, 3
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: G2P, ClinGen, Labcorp Genetics (formerly Invitae), Ambry Genetics

ALK links:

ENSG00000233862 (HGNC:):

ENSG00000233862 links:

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ACMG classification

Classification was made for transcript

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

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.082218856).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ALK	NM_004304.5 link	c.95C>A	p.Pro32Gln	missense_variant	Exon 1 of 29	ENST00000389048.8	NP_004295.2	Q9UM73B6D4Y2
ALK	XR_001738688.3 link	n.1022C>A		non_coding_transcript_exon_variant	Exon 1 of 18

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
ALK	ENST00000389048.8 link	c.95C>A	p.Pro32Gln	missense_variant	Exon 1 of 29	1	NM_004304.5	ENSP00000373700.3	Q9UM73
ENSG00000233862	ENST00000669284.1 link	n.157+34684C>A		intron_variant	Intron 1 of 1
ENSG00000233862	ENST00000769926.1 link	n.534+5654C>A		intron_variant	Intron 4 of 4

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

Data not reliable, filtered out with message: AC0

AF:

0.00

AC:

AN:

1443300

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

716822

African (AFR)

AF:

0.00

AC:

AN:

33216

American (AMR)

AF:

0.00

AC:

AN:

43512

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25834

East Asian (EAS)

AF:

0.00

AC:

AN:

39104

South Asian (SAS)

AF:

0.00

AC:

AN:

84722

European-Finnish (FIN)

AF:

0.00

AC:

AN:

45430

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5524

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1106296

Other (OTH)

AF:

0.00

AC:

AN:

59662

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.075

BayesDel_addAF

Benign

-0.11

BayesDel_noAF

Benign

-0.40

CADD

Benign

7.6

(source)

DANN

Benign

0.88

DEOGEN2

Benign

0.11

Eigen

Benign

-1.2

Eigen_PC

Benign

-1.2

FATHMM_MKL

Benign

0.038

LIST_S2

Benign

0.41

M_CAP

Uncertain

0.26

MetaRNN

Benign

0.082

MetaSVM

Benign

-0.95

MutationAssessor

Benign

0.69

PhyloP100

0.52

PrimateAI

Benign

0.41

PROVEAN

Benign

-0.89

REVEL

Benign

0.041

Sift

Uncertain

0.024

Sift4G

Pathogenic

0.0

Polyphen

0.0020

Vest4

0.077

MutPred

0.13

Loss of loop (P = 0.0374);

MVP

0.47

MPC

0.16

ClinPred

0.046

GERP RS

-0.20

Varity_R

0.033

gMVP

0.16

Mutation Taster

=90/10

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

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over