chr8-138151675-C-T

Position:

• chr8-138151675-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_015912.4(FAM135B):​c.2800G>A​(p.Val934Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000041 in 1,461,886 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 0.0000041 (0 hom.)
• Consequence: FAM135B NM_015912.4 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 1.05

Genes affected

FAM135B (HGNC:28029): (family with sequence similarity 135 member B) Predicted to be involved in cellular lipid metabolic process. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Uncertain_significance. Variant got 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.113511354).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
FAM135B	NM_015912.4	c.2800G>A	p.Val934Met	missense_variant	13/20	ENST00000395297.6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
FAM135B	ENST00000395297.6	c.2800G>A	p.Val934Met	missense_variant	13/20	5	NM_015912.4	P1
FAM135B	ENST00000467365.2	n.730G>A		non_coding_transcript_exon_variant	1/4	1
FAM135B	ENST00000482951.6	c.*2746G>A		3_prime_UTR_variant, NMD_transcript_variant	14/21	1
FAM135B	ENST00000276737.10	c.2800G>A	p.Val934Met	missense_variant, NMD_transcript_variant	13/20	5

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD3 exomes AF: 0.00000796 AC: 2 AN: 251262 Hom.: 0 AF XY: 0.00000736 AC XY: 1 AN XY: 135790

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.0000289

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.00

Gnomad SAS exome AF: 0.00

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00000881

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.00000410 AC: 6 AN: 1461886 Hom.: 0 Cov.: 29 AF XY: 0.00000550 AC XY: 4 AN XY: 727242

Gnomad4 AFR exome AF: 0.00

Gnomad4 AMR exome AF: 0.0000224

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: 0.00000360

Gnomad4 OTH exome AF: 0.0000166

GnomAD4 genome Cov.: 32

Bravo AF: 0.00000756

ExAC AF: 0.00000824 AC: 1

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.11
BayesDel_addAF	Benign	-0.24	T
BayesDel_noAF	Benign	-0.50
CADD	Benign	21
DANN	Uncertain	1.0
DEOGEN2	Benign	0.020	T
Eigen	Benign	-0.082
Eigen_PC	Benign	-0.033
FATHMM_MKL	Uncertain	0.79	D
LIST_S2	Benign	0.61	T
M_CAP	Benign	0.014	T
MetaRNN	Benign	0.11	T
MetaSVM	Benign	-1.1	T
MutationAssessor	Benign	2.0	M
MutationTaster	Benign	0.62	N
PrimateAI	Benign	0.32	T
PROVEAN	Benign	-0.080	N
REVEL	Benign	0.049
Sift	Pathogenic	0.0	D
Sift4G	Benign	0.29	T
Polyphen		0.24	B
Vest4		0.31
MutPred		0.099		Loss of catalytic residue at V934 (P = 0.0897);
MVP		0.068
MPC		0.36
ClinPred		0.89	D
GERP RS		4.2
Varity_R		0.079
gMVP		0.29

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: rs774190593; hg19: chr8-139163918;