14-70458389-T-C

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_003813.4(ADAM21):ā€‹c.890T>Cā€‹(p.Met297Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000142 in 1,614,066 control chromosomes in the GnomAD database, with no homozygous occurrence. 11/19 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.000013 ( 0 hom., cov: 31)
Exomes š‘“: 0.000014 ( 0 hom. )

Consequence

ADAM21
NM_003813.4 missense

Scores

6
10

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.99
Variant links:
Genes affected
ADAM21 (HGNC:200): (ADAM metallopeptidase domain 21) This gene encodes a member of the ADAM (a disintegrin and metalloprotease domain) family. Members of this family are membrane-anchored proteins structurally related to snake venom disintegrins, and have been implicated in a variety of biological processes involving cell-cell and cell-matrix interactions, including fertilization, muscle development, and neurogenesis. The expression of this gene expression is testis-specific. [provided by RefSeq, May 2011]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
ADAM21NM_003813.4 linkuse as main transcriptc.890T>C p.Met297Thr missense_variant 2/2 ENST00000603540.2 NP_003804.2 Q9UKJ8

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
ADAM21ENST00000603540.2 linkuse as main transcriptc.890T>C p.Met297Thr missense_variant 2/23 NM_003813.4 ENSP00000474385.1 Q9UKJ8
ADAM21ENST00000679631.1 linkuse as main transcriptc.890T>C p.Met297Thr missense_variant 2/2 ENSP00000506213.1 Q9UKJ8
ENSG00000257759ENST00000556646.1 linkuse as main transcriptn.184-4880A>G intron_variant 4
ADAM20P1ENST00000649019.1 linkuse as main transcriptn.506+2061A>G intron_variant

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152210
Hom.:
0
Cov.:
31
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:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000159
AC:
4
AN:
251234
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135816
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000544
Gnomad SAS exome
AF:
0.0000653
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000880
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000144
AC:
21
AN:
1461856
Hom.:
0
Cov.:
40
AF XY:
0.0000151
AC XY:
11
AN XY:
727224
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.0000348
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000135
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152210
Hom.:
0
Cov.:
31
AF XY:
0.0000134
AC XY:
1
AN XY:
74360
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000312
Hom.:
0
Bravo
AF:
0.00000378
ExAC
AF:
0.0000330
AC:
4
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsNov 18, 2022The c.890T>C (p.M297T) alteration is located in exon 2 (coding exon 1) of the ADAM21 gene. This alteration results from a T to C substitution at nucleotide position 890, causing the methionine (M) at amino acid position 297 to be replaced by a threonine (T). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.56
BayesDel_addAF
Benign
-0.057
T
BayesDel_noAF
Benign
-0.32
CADD
Benign
22
DANN
Uncertain
0.98
DEOGEN2
Uncertain
0.42
T
Eigen
Benign
-0.17
Eigen_PC
Benign
-0.014
FATHMM_MKL
Uncertain
0.92
D
LIST_S2
Benign
0.058
T
M_CAP
Benign
0.048
D
MetaRNN
Uncertain
0.57
D
MetaSVM
Benign
-0.88
T
MutationAssessor
Benign
1.1
L
PrimateAI
Benign
0.32
T
Sift4G
Uncertain
0.021
D
Polyphen
0.012
B
Vest4
0.38
MutPred
0.84
Loss of sheet (P = 0.0817);
MVP
0.64
MPC
0.47
ClinPred
0.20
T
GERP RS
4.4
Varity_R
0.53
gMVP
0.72

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs766109818; hg19: chr14-70925106; COSMIC: COSV50792809; API