17-10390525-T-C

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 1P and 5B. PP2BP4BS2

The NM_002472.3(MYH8):ā€‹c.5743A>Gā€‹(p.Ile1915Val) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000479 in 1,461,860 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 (ā˜…).

Frequency

Genomes: not found (cov: 33)
Exomes š‘“: 0.0000048 ( 0 hom. )

Consequence

MYH8
NM_002472.3 missense

Scores

1
3
15

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.97
Variant links:
Genes affected
MYH8 (HGNC:7578): (myosin heavy chain 8) Myosins are actin-based motor proteins that function in the generation of mechanical force in eukaryotic cells. Muscle myosins are heterohexamers composed of 2 myosin heavy chains and 2 pairs of nonidentical myosin light chains. This gene encodes a member of the class II or conventional myosin heavy chains, and functions in skeletal muscle contraction. This gene is predominantly expressed in fetal skeletal muscle. This gene is found in a cluster of myosin heavy chain genes on chromosome 17. A mutation in this gene results in trismus-pseudocamptodactyly syndrome. [provided by RefSeq, Sep 2009]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

PP2
Missense variant in gene, where missense usually causes diseases (based on misZ statistic), MYH8. . Gene score misZ 0.34953 (greater than the threshold 3.09). Trascript score misZ 3.2125 (greater than threshold 3.09). GenCC has associacion of gene with trismus-pseudocamptodactyly syndrome, Carney complex - trismus - pseudocamptodactyly syndrome.
BP4
Computational evidence support a benign effect (MetaRNN=0.27339512).
BS2
High AC in GnomAdExome4 at 7 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
MYH8NM_002472.3 linkuse as main transcriptc.5743A>G p.Ile1915Val missense_variant 40/40 ENST00000403437.2 NP_002463.2
MYHASNR_125367.1 linkuse as main transcriptn.76+7318T>C intron_variant, non_coding_transcript_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
MYH8ENST00000403437.2 linkuse as main transcriptc.5743A>G p.Ile1915Val missense_variant 40/405 NM_002472.3 ENSP00000384330 P1
ENST00000399342.6 linkuse as main transcriptn.76+7318T>C intron_variant, non_coding_transcript_variant 3
ENST00000581304.1 linkuse as main transcriptn.52+7318T>C intron_variant, non_coding_transcript_variant 3

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD3 exomes
AF:
0.00000795
AC:
2
AN:
251490
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135920
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.0000289
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
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:
0.00000479
AC:
7
AN:
1461860
Hom.:
0
Cov.:
31
AF XY:
0.00000138
AC XY:
1
AN XY:
727232
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000450
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33
Bravo
AF:
0.00000756

ClinVar

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

Submissions by phenotype

Anxiety;C0013363:Abnormal autonomic nervous system physiology;C0150055:Chronic pain;C0158118:Multiple joint contractures;C0240635:High palate;C0265213:Distal arthrogryposis;C0265563:Dislocated radial head;C0338656:Cognitive impairment;C0349588:Short stature;C2673700:Brisk reflexes;C4020900:Abnormality of the upper limb;C4021387:Abnormality of upper limb joint;C4022458:Abnormal upper limb bone morphology Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingCenter for Personalized Medicine, Children's Hospital Los Angeles-- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.10
BayesDel_addAF
Benign
-0.11
T
BayesDel_noAF
Benign
-0.21
CADD
Uncertain
23
DANN
Uncertain
1.0
DEOGEN2
Benign
0.16
T
Eigen
Benign
-0.0095
Eigen_PC
Benign
0.13
FATHMM_MKL
Pathogenic
0.97
D
LIST_S2
Benign
0.83
T
M_CAP
Benign
0.0072
T
MetaRNN
Benign
0.27
T
MetaSVM
Benign
-0.53
T
MutationAssessor
Uncertain
2.3
M
MutationTaster
Benign
0.99
D
PrimateAI
Uncertain
0.62
T
PROVEAN
Benign
-0.41
N
REVEL
Benign
0.25
Sift
Benign
0.10
T
Sift4G
Benign
0.21
T
Polyphen
0.0060
B
Vest4
0.52
MutPred
0.40
Gain of MoRF binding (P = 0.1099);
MVP
0.62
MPC
0.18
ClinPred
0.45
T
GERP RS
4.1
Varity_R
0.068
gMVP
0.074

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: rs1216879928; hg19: chr17-10293842; API