20-34979416-G-A

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBS1BS2

The NM_020884.7(MYH7B):​c.118G>A​(p.Glu40Lys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000044 in 1,613,824 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 Likely benign (★).

Frequency

Genomes: 𝑓 0.00013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000035 ( 0 hom. )

Consequence

MYH7B
NM_020884.7 missense

Scores

8
9

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 9.91
Variant links:
Genes affected
MYH7B (HGNC:15906): (myosin heavy chain 7B) The myosin II molecule is a multi-subunit complex consisting of two heavy chains and four light chains. This gene encodes a heavy chain of myosin II, which is a member of the motor-domain superfamily. The heavy chain includes a globular motor domain, which catalyzes ATP hydrolysis and interacts with actin, and a tail domain in which heptad repeat sequences promote dimerization by interacting to form a rod-like alpha-helical coiled coil. This heavy chain subunit is a slow-twitch myosin. Alternatively spliced transcript variants have been found, but the full-length nature of these variants is not determined. [provided by RefSeq, Mar 2010]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -14 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.01452288).
BP6
Variant 20-34979416-G-A is Benign according to our data. Variant chr20-34979416-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 2414254.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
Variant frequency is greater than expected in population eas. gnomad4 allele frequency = 0.000131 (20/152348) while in subpopulation EAS AF= 0.00386 (20/5184). AF 95% confidence interval is 0.00256. There are 0 homozygotes in gnomad4. There are 13 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High AC in GnomAd4 at 20 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
MYH7BNM_020884.7 linkuse as main transcriptc.118G>A p.Glu40Lys missense_variant 6/45 ENST00000262873.13 NP_065935.4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
MYH7BENST00000262873.13 linkuse as main transcriptc.118G>A p.Glu40Lys missense_variant 6/451 NM_020884.7 ENSP00000262873 P1
MYH7BENST00000470929.5 linkuse as main transcriptn.204G>A non_coding_transcript_exon_variant 3/62
MYH7BENST00000673749.1 linkuse as main transcriptn.652G>A non_coding_transcript_exon_variant 6/9

Frequencies

GnomAD3 genomes
AF:
0.000131
AC:
20
AN:
152230
Hom.:
0
Cov.:
32
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:
0.00385
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000173
AC:
43
AN:
248806
Hom.:
0
AF XY:
0.000163
AC XY:
22
AN XY:
134990
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00239
Gnomad SAS 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:
0.0000349
AC:
51
AN:
1461476
Hom.:
0
Cov.:
32
AF XY:
0.0000344
AC XY:
25
AN XY:
727008
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00121
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.0000497
GnomAD4 genome
AF:
0.000131
AC:
20
AN:
152348
Hom.:
0
Cov.:
32
AF XY:
0.000175
AC XY:
13
AN XY:
74494
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00386
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000651
Hom.:
0
Bravo
AF:
0.0000642
ExAC
AF:
0.000207
AC:
25
Asia WGS
AF:
0.000577
AC:
2
AN:
3478

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 02, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.099
BayesDel_addAF
Benign
-0.28
T
BayesDel_noAF
Benign
-0.18
CADD
Pathogenic
27
DANN
Uncertain
1.0
Eigen
Uncertain
0.52
Eigen_PC
Uncertain
0.57
FATHMM_MKL
Uncertain
0.96
D
LIST_S2
Uncertain
0.96
D;D
M_CAP
Benign
0.052
D
MetaRNN
Benign
0.015
T;T
MetaSVM
Uncertain
-0.28
T
MutationTaster
Benign
1.0
D
PrimateAI
Uncertain
0.68
T
PROVEAN
Benign
-1.2
N;.
REVEL
Uncertain
0.35
Sift
Benign
0.44
T;.
Sift4G
Benign
0.33
T;T
Vest4
0.72
MVP
0.68
MPC
0.42
ClinPred
0.22
T
GERP RS
4.9
Varity_R
0.21
gMVP
0.40

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.030
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: rs200654846; hg19: chr20-33567219; COSMIC: COSV53417111; COSMIC: COSV53417111; API