chr15-99729184-G-C

Position:

• chr15-99729184-G-C

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2 BP4_Strong

The NM_001284417.2(LYSMD4):​c.830C>G​(p.Ala277Gly) variant causes a missense 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. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency: Genomes: not found (cov: 33)
• Consequence: LYSMD4 NM_001284417.2 missense
• Clinical Significance: Uncertain significance criteria provided, single submitter U:1
• Conservation: PhyloP100: 0.920

Genes affected

LYSMD4 (HGNC:26571): (LysM domain containing 4) Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Likely_benign. Variant got -2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.06059712).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
LYSMD4	NM_001284417.2	c.830C>G	p.Ala277Gly	missense_variant	3/3	ENST00000684762.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
LYSMD4	ENST00000684762.1	c.830C>G	p.Ala277Gly	missense_variant	3/3		NM_001284417.2	P1

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome Cov.: 77

GnomAD4 genome Cov.: 33

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Nov 21, 2023

The c.833C>G (p.A278G) alteration is located in exon 6 (coding exon 4) of the LYSMD4 gene. This alteration results from a C to G substitution at nucleotide position 833, causing the alanine (A) at amino acid position 278 to be replaced by a glycine (G). 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	0.11
BayesDel_addAF	Benign	-0.29	T
BayesDel_noAF	Benign	-0.65
CADD	Benign	15
DANN	Benign	0.97
Eigen	Benign	-0.74
Eigen_PC	Benign	-0.70
FATHMM_MKL	Benign	0.24	N
LIST_S2	Benign	0.70	T;T;T;T
M_CAP	Benign	0.0055	T
MetaRNN	Benign	0.061	T;T;T;T
MetaSVM	Benign	-1.0	T
MutationTaster	Benign	1.0	N;N;N;N
PrimateAI	Benign	0.24	T
REVEL	Benign	0.034
Sift4G	Benign	0.45	T;T;T;T
Polyphen		0.039, 0.068	.;.;B;B
Vest4		0.075
MutPred		0.17		.;.;Gain of loop (P = 0.0502);.;
MVP		0.014
MPC		0.24
ClinPred		0.069	T
GERP RS		3.0
Varity_R		0.034
gMVP		0.32

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr15-100269389;