rs9930984

Variant summary

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

The NM_199355.4(ADAMTS18):​c.2305C>T​(p.Leu769Phe) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,461,818 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 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. L769I) has been classified as Benign.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

ADAMTS18
NM_199355.4 missense

Scores

19

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.53
Variant links:
Genes affected
ADAMTS18 (HGNC:17110): (ADAM metallopeptidase with thrombospondin type 1 motif 18) This gene encodes a member of the ADAMTS (a disintegrin and metalloproteinase with thrombospondin motifs) protein family. ADAMTS family members share several distinct protein modules, including a propeptide region, a metalloproteinase domain, a disintegrin-like domain, and a thrombospondin type 1 (TS) motif. Individual members of this family differ in the number of C-terminal TS motifs, and some have unique C-terminal domains. The encoded preproprotein is proteolytically processed to generate the mature protein, which may regulate hemostatic balance and function as a tumor suppressor. Mutations in this gene may be associated with microcornea, myopic chorioretinal atrophy, and telecanthus (MMCAT) and cone-rod dystrophy in human patients. [provided by RefSeq, May 2016]

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 UniProt
ADAMTS18NM_199355.4 linkuse as main transcriptc.2305C>T p.Leu769Phe missense_variant 16/23 ENST00000282849.10
ADAMTS18NM_001326358.2 linkuse as main transcriptc.1789C>T p.Leu597Phe missense_variant 16/23
ADAMTS18XM_047433672.1 linkuse as main transcriptc.1789C>T p.Leu597Phe missense_variant 13/19
ADAMTS18XM_047433673.1 linkuse as main transcriptc.1069C>T p.Leu357Phe missense_variant 10/17

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
ADAMTS18ENST00000282849.10 linkuse as main transcriptc.2305C>T p.Leu769Phe missense_variant 16/231 NM_199355.4 P1Q8TE60-1
ADAMTS18ENST00000568393.1 linkuse as main transcriptn.76C>T non_coding_transcript_exon_variant 2/33

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000803
AC:
2
AN:
249074
Hom.:
0
AF XY:
0.0000148
AC XY:
2
AN XY:
134856
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000327
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000897
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000137
AC:
2
AN:
1461818
Hom.:
0
Cov.:
52
AF XY:
0.00000275
AC XY:
2
AN XY:
727202
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
8.99e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
Alfa
AF:
0.00000268
Hom.:
36846

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.077
BayesDel_addAF
Benign
-0.33
T
BayesDel_noAF
Benign
-0.62
CADD
Benign
18
DANN
Benign
0.47
DEOGEN2
Benign
0.031
T
Eigen
Benign
-0.91
Eigen_PC
Benign
-0.87
FATHMM_MKL
Benign
0.55
D
LIST_S2
Benign
0.81
T
M_CAP
Benign
0.013
T
MetaRNN
Benign
0.20
T
MetaSVM
Benign
-0.96
T
MutationAssessor
Benign
1.5
L
MutationTaster
Benign
1.0
P
PrimateAI
Benign
0.22
T
PROVEAN
Benign
-1.1
N
REVEL
Benign
0.081
Sift
Benign
0.66
T
Sift4G
Benign
0.077
T
Polyphen
0.0020
B
Vest4
0.12
MutPred
0.53
Gain of phosphorylation at Y764 (P = 0.28);
MVP
0.43
ClinPred
0.042
T
GERP RS
2.1
Varity_R
0.067
gMVP
0.41

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.25
Details are displayed if max score is > 0.2
DS_AG_spliceai
0.25
Position offset: -10

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: rs9930984; hg19: chr16-77353973; API