3-69197001-A-T

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_015123.3(FRMD4B):c.991T>A(p.Leu331Met) variant causes a missense change. The variant was absent in control chromosomes in GnomAD project. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 0.0 (0 hom.)
  • Failed GnomAD Quality Control
• Consequence: FRMD4B NM_015123.3 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 5.79

Genes affected

FRMD4B (HGNC:24886): (FERM domain containing 4B) This gene encodes a GRP1-binding protein which contains a FERM protein interaction domain as well as two coiled coil domains. This protein may play a role as a scaffolding protein. [provided by RefSeq, Mar 2014]

ACMG classification

Verdict is Uncertain_significance. Variant got 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
FRMD4B	NM_015123.3	c.991T>A	p.Leu331Met	missense_variant	13/23	ENST00000398540.8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
FRMD4B	ENST00000398540.8	c.991T>A	p.Leu331Met	missense_variant	13/23	1	NM_015123.3	P1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome Data not reliable, filtered out with message: AC0 AF: 0.00 AC: 0 AN: 1455688 Hom.: 0 Cov.: 29 AF XY: 0.00 AC XY: 0 AN XY: 724512

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.00

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: 0.00

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.20
BayesDel_addAF	Uncertain	0.078	D
BayesDel_noAF	Benign	-0.13
Cadd	Uncertain	25
Dann	Uncertain	1.0
DEOGEN2	Benign	0.28	T;T
Eigen	Uncertain	0.29
Eigen_PC	Uncertain	0.37
FATHMM_MKL	Uncertain	0.93	D
LIST_S2	Uncertain	0.94	D;D
M_CAP	Pathogenic	0.37	D
MetaRNN	Uncertain	0.73	D;D
MetaSVM	Uncertain	0.40	D
MutationAssessor	Benign	1.3	L;.
MutationTaster	Benign	0.00027	P;P;P
PrimateAI	Uncertain	0.64	T
PROVEAN	Benign	-0.52	N;N
REVEL	Uncertain	0.47
Sift	Benign	0.034	D;T
Sift4G	Benign	0.10	T;D
Polyphen		0.79	P;.
Vest4		0.44
MutPred		0.47		Gain of MoRF binding (P = 0.0616);.;
MVP		0.78
MPC		0.33
ClinPred		0.91	D
GERP RS		5.9
Varity_R		0.16
gMVP		0.22

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: rs13059488; hg19: chr3-69246152;