chr18-49851183-G-A

Variant names:

• chr18-49851183-G-A
• rs546341
• NM_001080467.3:c.4222-1523C>T

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_001080467.3(MYO5B):​c.4222-1523C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 32)
• Consequence: MYO5B NM_001080467.3 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -2.27
• Publications: 3 publications found

Genes affected

MYO5B (HGNC:7603): (myosin VB) The protein encoded by this gene, together with other proteins, may be involved in plasma membrane recycling. Mutations in this gene are associated with microvillous inclusion disease. [provided by RefSeq, Sep 2009]

SNHG22 (HGNC:50285): (small nucleolar RNA host gene 22)

ACMG classification

Our verdict: Likely_benign. The variant received -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.87).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001080467.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	MYO5B	NM_001080467.3	MANE Select	c.4222-1523C>T		intron	N/A	NP_001073936.1
	SNHG22	NR_117096.1		n.*124G>A		downstream_gene	N/A

Ensembl Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	MYO5B	ENST00000285039.12	TSL:1 MANE Select	c.4222-1523C>T		intron	N/A	ENSP00000285039.6
	MYO5B	ENST00000697219.1		c.3955-1523C>T		intron	N/A	ENSP00000513188.1
	MYO5B	ENST00000908785.1		c.3603+20984C>T		intron	N/A	ENSP00000578844.1

Frequencies

GnomAD3 genomes Cov.: 32

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome Cov.: 32

Alfa AF: 0.00 Hom.: 23041

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.87
CADD	Benign	0.37
DANN	Benign	0.95
PhyloP100		-2.3

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

Other links and lift over

dbSNP: rs546341; hg19: chr18-47377553;