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GeneBe

22-25761101-C-G

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1

The NM_032608.7(MYO18B):ā€‹c.9C>Gā€‹(p.Ile3Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.172 in 1,612,852 control chromosomes in the GnomAD database, including 26,232 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (ā˜…ā˜…).

Frequency

Genomes: š‘“ 0.13 ( 1737 hom., cov: 33)
Exomes š‘“: 0.18 ( 24495 hom. )

Consequence

MYO18B
NM_032608.7 missense

Scores

2
5
10

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 0.175
Variant links:
Genes affected
MYO18B (HGNC:18150): (myosin XVIIIB) The protein encoded by this gene may regulate muscle-specific genes when in the nucleus and may influence intracellular trafficking when in the cytoplasm. The encoded protein functions as a homodimer and may interact with F actin. Mutations in this gene are associated with lung cancer. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.0016304553).
BP6
Variant 22-25761101-C-G is Benign according to our data. Variant chr22-25761101-C-G is described in ClinVar as [Benign]. Clinvar id is 1321829.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BA1
GnomAd4 highest subpopulation (NFE) allele frequency at 95% confidence interval = 0.192 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
MYO18BNM_032608.7 linkuse as main transcriptc.9C>G p.Ile3Met missense_variant 2/44 ENST00000335473.12

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MYO18BENST00000335473.12 linkuse as main transcriptc.9C>G p.Ile3Met missense_variant 2/441 NM_032608.7 A2Q8IUG5-1
MYO18BENST00000407587.6 linkuse as main transcriptc.9C>G p.Ile3Met missense_variant 2/441 P5Q8IUG5-3
MYO18BENST00000536101.5 linkuse as main transcriptc.9C>G p.Ile3Met missense_variant 2/431 A2Q8IUG5-1
MYO18BENST00000539302.5 linkuse as main transcriptc.9C>G p.Ile3Met missense_variant, NMD_transcript_variant 1/421

Frequencies

GnomAD3 genomes
AF:
0.132
AC:
20030
AN:
152148
Hom.:
1737
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0395
Gnomad AMI
AF:
0.157
Gnomad AMR
AF:
0.112
Gnomad ASJ
AF:
0.254
Gnomad EAS
AF:
0.000770
Gnomad SAS
AF:
0.105
Gnomad FIN
AF:
0.146
Gnomad MID
AF:
0.155
Gnomad NFE
AF:
0.195
Gnomad OTH
AF:
0.148
GnomAD3 exomes
AF:
0.142
AC:
35447
AN:
248832
Hom.:
3147
AF XY:
0.147
AC XY:
19781
AN XY:
134990
show subpopulations
Gnomad AFR exome
AF:
0.0352
Gnomad AMR exome
AF:
0.0891
Gnomad ASJ exome
AF:
0.243
Gnomad EAS exome
AF:
0.000667
Gnomad SAS exome
AF:
0.105
Gnomad FIN exome
AF:
0.148
Gnomad NFE exome
AF:
0.195
Gnomad OTH exome
AF:
0.172
GnomAD4 exome
AF:
0.176
AC:
256892
AN:
1460586
Hom.:
24495
Cov.:
32
AF XY:
0.175
AC XY:
127181
AN XY:
726634
show subpopulations
Gnomad4 AFR exome
AF:
0.0343
Gnomad4 AMR exome
AF:
0.0928
Gnomad4 ASJ exome
AF:
0.248
Gnomad4 EAS exome
AF:
0.000504
Gnomad4 SAS exome
AF:
0.110
Gnomad4 FIN exome
AF:
0.145
Gnomad4 NFE exome
AF:
0.195
Gnomad4 OTH exome
AF:
0.163
GnomAD4 genome
AF:
0.132
AC:
20025
AN:
152266
Hom.:
1737
Cov.:
33
AF XY:
0.129
AC XY:
9588
AN XY:
74444
show subpopulations
Gnomad4 AFR
AF:
0.0393
Gnomad4 AMR
AF:
0.112
Gnomad4 ASJ
AF:
0.254
Gnomad4 EAS
AF:
0.000772
Gnomad4 SAS
AF:
0.105
Gnomad4 FIN
AF:
0.146
Gnomad4 NFE
AF:
0.195
Gnomad4 OTH
AF:
0.146
Alfa
AF:
0.184
Hom.:
2096
Bravo
AF:
0.126
TwinsUK
AF:
0.192
AC:
713
ALSPAC
AF:
0.178
AC:
687
ESP6500AA
AF:
0.0403
AC:
177
ESP6500EA
AF:
0.189
AC:
1622
ExAC
AF:
0.141
AC:
17150
Asia WGS
AF:
0.0430
AC:
152
AN:
3478
EpiCase
AF:
0.202
EpiControl
AF:
0.204

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Klippel-Feil anomaly-myopathy-facial dysmorphism syndrome Benign:1
Benign, criteria provided, single submitterclinical testingGenome-Nilou LabSep 05, 2021- -
not provided Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeFeb 01, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.69
BayesDel_addAF
Benign
-0.37
T
BayesDel_noAF
Benign
-0.16
CADD
Benign
22
DANN
Uncertain
0.99
DEOGEN2
Benign
0.046
T;T;.
Eigen
Benign
0.077
Eigen_PC
Benign
-0.012
FATHMM_MKL
Benign
0.56
D
MetaRNN
Benign
0.0016
T;T;T
MetaSVM
Benign
-0.84
T
MutationAssessor
Uncertain
2.0
M;M;M
MutationTaster
Benign
0.98
P;P;P
PrimateAI
Uncertain
0.69
T
PROVEAN
Benign
-1.1
N;N;N
REVEL
Uncertain
0.37
Sift
Uncertain
0.0010
D;D;D
Sift4G
Pathogenic
0.0
D;D;D
Vest4
0.28
MPC
0.14
ClinPred
0.063
T
GERP RS
-0.90
Varity_R
0.21
gMVP
0.14

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs61734946; hg19: chr22-26157068; API