2-29920277-T-C

Variant summary

Our verdict is Likely benign. The variant received -5 ACMG points: 0P and 5B. BP4BS2

The NM_004304.5(ALK):​c.383A>G​(p.Lys128Arg) variant causes a missense change. The variant allele was found at a frequency of 0.00000441 in 1,588,848 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. K128T) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000039 ( 0 hom., cov: 33)
Exomes 𝑓: 7.0e-7 ( 0 hom. )

Consequence

ALK
NM_004304.5 missense

Scores

3
4
11

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:3

Conservation

PhyloP100: 6.68

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: Ambry Genetics, Labcorp Genetics (formerly Invitae), ClinGen, G2P

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -5 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.3148815).
BS2
High AC in GnomAd4 at 6 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_004304.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
ALK
NM_004304.5
MANE Select
c.383A>Gp.Lys128Arg
missense
Exon 1 of 29NP_004295.2

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
ALK
ENST00000389048.8
TSL:1 MANE Select
c.383A>Gp.Lys128Arg
missense
Exon 1 of 29ENSP00000373700.3Q9UM73
ENSG00000233862
ENST00000669284.1
n.157+34972A>G
intron
N/A
ENSG00000233862
ENST00000769926.1
n.534+5942A>G
intron
N/A

Frequencies

GnomAD3 genomes
AF:
0.0000394
AC:
6
AN:
152186
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.0000735
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.00
AC:
0
AN:
192962
AF XY:
0.00
Gnomad AFR exome
AF:
0.00
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:
6.96e-7
AC:
1
AN:
1436662
Hom.:
0
Cov.:
31
AF XY:
0.00000140
AC XY:
1
AN XY:
712798
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
32990
American (AMR)
AF:
0.00
AC:
0
AN:
40694
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25620
East Asian (EAS)
AF:
0.00
AC:
0
AN:
38528
South Asian (SAS)
AF:
0.00
AC:
0
AN:
83636
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
49348
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5720
European-Non Finnish (NFE)
AF:
9.09e-7
AC:
1
AN:
1100630
Other (OTH)
AF:
0.00
AC:
0
AN:
59496
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.575
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
GnomAD4 genome
AF:
0.0000394
AC:
6
AN:
152186
Hom.:
0
Cov.:
33
AF XY:
0.0000673
AC XY:
5
AN XY:
74336
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41456
American (AMR)
AF:
0.00
AC:
0
AN:
15286
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5168
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4828
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10626
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000735
AC:
5
AN:
68032
Other (OTH)
AF:
0.00
AC:
0
AN:
2092
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.542
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<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:
0.000113
Hom.:
0
Bravo
AF:
0.0000189
ExAC
AF:
0.00000847
AC:
1

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
2
-
Neuroblastoma, susceptibility to, 3 (2)
-
1
-
Hereditary cancer-predisposing syndrome (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.090
BayesDel_addAF
Uncertain
0.050
T
BayesDel_noAF
Benign
-0.17
CADD
Uncertain
25
DANN
Uncertain
1.0
DEOGEN2
Benign
0.11
T
Eigen
Benign
0.14
Eigen_PC
Benign
0.20
FATHMM_MKL
Uncertain
0.76
D
LIST_S2
Benign
0.69
T
M_CAP
Benign
0.052
D
MetaRNN
Benign
0.31
T
MetaSVM
Uncertain
-0.28
T
MutationAssessor
Benign
0.69
N
PhyloP100
6.7
PrimateAI
Pathogenic
0.85
D
PROVEAN
Benign
-0.48
N
REVEL
Benign
0.16
Sift
Pathogenic
0.0
D
Sift4G
Pathogenic
0.0
D
Polyphen
0.98
D
Vest4
0.23
MutPred
0.23
Loss of helix (P = 0.0104)
MVP
0.56
MPC
0.62
ClinPred
0.71
D
GERP RS
4.2
Varity_R
0.23
gMVP
0.17
Mutation Taster
=93/7
polymorphism

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

Other links and lift over

dbSNP: rs756510939; hg19: chr2-30143143; API