chr22-36289194-C-T

Position:

chr22-36289194-C-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 3P and 5B. PP2PP3_ModerateBP6BS2

The NM_002473.6(MYH9):c.4448G>A(p.Arg1483Gln) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000868 in 1,613,406 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000089 ( 0 hom. )

Consequence

MYH9
NM_002473.6 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:2B:1

Conservation

PhyloP100: 7.90

Variant links:

Genes affected

MYH9 (HGNC:7579): (myosin heavy chain 9) This gene encodes a conventional non-muscle myosin; this protein should not be confused with the unconventional myosin-9a or 9b (MYO9A or MYO9B). The encoded protein is a myosin IIA heavy chain that contains an IQ domain and a myosin head-like domain which is involved in several important functions, including cytokinesis, cell motility and maintenance of cell shape. Defects in this gene have been associated with non-syndromic sensorineural deafness autosomal dominant type 17, Epstein syndrome, Alport syndrome with macrothrombocytopenia, Sebastian syndrome, Fechtner syndrome and macrothrombocytopenia with progressive sensorineural deafness. [provided by RefSeq, Dec 2011]

MYH9 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PP2

Missense variant in gene, where missense usually causes diseases (based on misZ statistic), MYH9. . Gene score misZ 3.473 (greater than the threshold 3.09). Trascript score misZ 6.1231 (greater than threshold 3.09). GenCC has associacion of gene with May-Hegglin anomaly, autosomal dominant nonsyndromic hearing loss, macrothrombocytopenia and granulocyte inclusions with or without nephritis or sensorineural hearing loss, autosomal dominant nonsyndromic hearing loss 17.

PP3

MetaRNN computational evidence supports a deleterious effect, 0.878

BP6

Variant 22-36289194-C-T is Benign according to our data. Variant chr22-36289194-C-T is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 164434.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Uncertain_significance=2}.

BS2

High AC in GnomAdExome4 at 13 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
MYH9	NM_002473.6 linkuse as main transcript	c.4448G>A	p.Arg1483Gln	missense_variant	32/41	ENST00000216181.11	NP_002464.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
MYH9	ENST00000216181.11 linkuse as main transcript	c.4448G>A	p.Arg1483Gln	missense_variant	32/41	1	NM_002473.6	ENSP00000216181	P1	P35579-1
MYH9	ENST00000685801.1 linkuse as main transcript	c.4511G>A	p.Arg1504Gln	missense_variant	33/42			ENSP00000510688
MYH9	ENST00000691109.1 linkuse as main transcript	n.4743G>A		non_coding_transcript_exon_variant	26/35

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152260

Hom.:

Cov.:

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:

0.00

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:

0.0000160

AC:

AN:

250544

Hom.:

AF XY:

0.0000148

AC XY:

AN XY:

135530

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000109

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:

0.00000890

AC:

AN:

1461146

Hom.:

Cov.:

AF XY:

0.00000963

AC XY:

AN XY:

726932

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000756

Gnomad4 SAS exome

AF:

0.0000232

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000719

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152260

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74386

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.00

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:

0.0000868

Hom.:

Bravo

AF:

0.0000151

ExAC

AF:

0.00000824

AC:

EpiCase

AF:

0.0000545

EpiControl

AF:

0.00

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:2Benign:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Uncertain:1Benign:1

Uncertain significance, criteria provided, single submitter	clinical testing	GeneDx	Aug 23, 2023	In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; Identified in a patient with a neurodevelopmental disorder in published literature and reported as p.(R1504Q) using an alternate reference sequence (Wang et al., 2020); This variant is associated with the following publications: (PMID: 33004838) -
Likely benign, criteria provided, single submitter	clinical testing	Labcorp Genetics (formerly Invitae), Labcorp	Aug 10, 2022	- -

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Laboratory for Molecular Medicine, Mass General Brigham Personalized Medicine

Oct 05, 2013

The Arg1483Gln variant in MYH9 has not been reported in individuals with hearing loss or in large population studies. Computational analyses (biochemical amino acid properties, conservation, AlignGVGD, PolyPhen2, and SIFT) suggest that the Arg1483Gln variant may impact the protein, though this information is not predic tive enough to determine pathogenicity. In summary, additional data is needed to determine the clinical significance of this variant. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.25

BayesDel_addAF

Benign

-0.030

BayesDel_noAF

Uncertain

-0.050

CADD

Pathogenic

DANN

Pathogenic

1.0

DEOGEN2

Uncertain

0.66

Eigen

Pathogenic

0.76

Eigen_PC

Pathogenic

0.74

FATHMM_MKL

Uncertain

0.96

LIST_S2

Pathogenic

0.98

M_CAP

Pathogenic

0.70

MetaRNN

Pathogenic

0.88

MetaSVM

Uncertain

0.25

MutationAssessor

Uncertain

2.7

MutationTaster

Benign

1.0

PrimateAI

Uncertain

0.55

PROVEAN

Uncertain

-3.3

REVEL

Uncertain

0.56

Sift

Uncertain

0.0080

Sift4G

Benign

0.11

Polyphen

1.0

Vest4

0.82

MutPred

0.42

Loss of MoRF binding (P = 0.0359);

MVP

0.83

MPC

1.3

ClinPred

0.98

GERP RS

5.1

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.8

Varity_R

0.60

gMVP

0.36

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over