17-8478436-C-T

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 1P and 5B. PP2 BP4 BS2

The NM_001256012.3(MYH10):c.5608G>A(p.Ala1870Thr) variant causes a missense change. The variant allele was found at a frequency of 0.0000328 in 1,614,122 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: 𝑓 0.000033 (0 hom., cov: 32)
  • Exomes 𝑓: 0.000033 (1 hom.)
• Consequence: MYH10 NM_001256012.3 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 6.04

Genes affected

MYH10 (HGNC:7568): (myosin heavy chain 10) This gene encodes a member of the myosin superfamily. The protein represents a conventional non-muscle myosin; it should not be confused with the unconventional myosin-10 (MYO10). Myosins are actin-dependent motor proteins with diverse functions including regulation of cytokinesis, cell motility, and cell polarity. Mutations in this gene have been associated with May-Hegglin anomaly and developmental defects in brain and heart. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Dec 2011]

NDEL1 (HGNC:17620): (nudE neurodevelopment protein 1 like 1) Enables identical protein binding activity. Involved in chromosome segregation; positive regulation of GTPase activity; and regulation of intracellular protein transport. Located in kinetochore. Biomarker of schizophrenia. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Likely_benign. Variant got -4 ACMG points.

• PP2: Missense variant where missense usually causes diseases, MYH10
• BP4: Computational evidence support a benign effect (MetaRNN=0.35771835).
• BS2: High AC in GnomAd at 5 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
MYH10	NM_001256012.3	c.5608G>A	p.Ala1870Thr	missense_variant	41/43	ENST00000360416.8
MYH10	NM_001375266.1	c.5545G>A	p.Ala1849Thr	missense_variant	40/42
MYH10	NM_001256095.2	c.5542G>A	p.Ala1848Thr	missense_variant	40/42
MYH10	NM_005964.5	c.5515G>A	p.Ala1839Thr	missense_variant	39/41

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
MYH10	ENST00000360416.8	c.5608G>A	p.Ala1870Thr	missense_variant	41/43	1	NM_001256012.3

Frequencies

GnomAD3 genomes AF: 0.0000328 AC: 5 AN: 152258 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.00

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.000131

Gnomad ASJ AF: 0.000576

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.0000147

Gnomad OTH AF: 0.00

GnomAD3 exomes AF: 0.0000199 AC: 5 AN: 251484 Hom.: 0 AF XY: 0.0000147 AC XY: 2 AN XY: 135914

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.00

Gnomad ASJ exome AF: 0.000298

Gnomad EAS exome AF: 0.00

Gnomad SAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.0000176

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.0000328 AC: 48 AN: 1461864 Hom.: 1 Cov.: 31 AF XY: 0.0000454 AC XY: 33 AN XY: 727232

Gnomad4 AFR exome AF: 0.0000597

Gnomad4 AMR exome AF: 0.0000894

Gnomad4 ASJ exome AF: 0.000268

Gnomad4 EAS exome AF: 0.00

Gnomad4 SAS exome AF: 0.0000116

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.0000135

Gnomad4 OTH exome AF: 0.000132

GnomAD4 genome AF: 0.0000328 AC: 5 AN: 152258 Hom.: 0 Cov.: 32 AF XY: 0.0000538 AC XY: 4 AN XY: 74388

Gnomad4 AFR AF: 0.00

Gnomad4 AMR AF: 0.000131

Gnomad4 ASJ AF: 0.000576

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.0000147

Gnomad4 OTH AF: 0.00

Alfa AF: 0.0000675 Hom.: 0

Bravo AF: 0.0000264

ExAC AF: 0.0000165 AC: 2

EpiCase AF: 0.0000545

EpiControl AF: 0.0000593

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

Inborn genetic diseases Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Oct 29, 2021

The c.5515G>A (p.A1839T) alteration is located in exon 39 (coding exon 38) of the MYH10 gene. This alteration results from a G to A substitution at nucleotide position 5515, causing the alanine (A) at amino acid position 1839 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	Benign	0.093
BayesDel_addAF	Uncertain	0.016	T
BayesDel_noAF	Benign	-0.20
Cadd	Uncertain	25
Dann	Uncertain	1.0
Eigen	Benign	0.13
Eigen_PC	Uncertain	0.29
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Uncertain	0.93	D;D;D
M_CAP	Benign	0.031	D
MetaRNN	Benign	0.36	T;T;T
MetaSVM	Benign	-0.45	T
MutationTaster	Benign	1.0	D;D;D;D;D
PrimateAI	Uncertain	0.64	T
PROVEAN	Benign	-1.5	N;.;N
REVEL	Uncertain	0.29
Sift	Benign	0.55	T;.;T
Sift4G	Benign	0.54	T;T;T
Polyphen		0.018	.;.;B
Vest4		0.62
MutPred		0.30		.;.;Gain of phosphorylation at A1839 (P = 0.0191);
MVP		0.64
MPC		0.73
ClinPred		0.53	D
GERP RS		4.9
Varity_R		0.27
gMVP		0.096

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

Other links and lift over

dbSNP: rs764007614; hg19: chr17-8381754;