2-202674343-C-T

Position:

• chr2-202674343-C-T

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_173511.4(FAM117B):​c.602-21538C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0904 in 152,232 control chromosomes in the GnomAD database, including 2,089 homozygotes. 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: 𝑓 0.090 (2089 hom., cov: 31)
• Consequence: FAM117B NM_173511.4 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.331

Genes affected

FAM117B (HGNC:14440): (family with sequence similarity 117 member B)

ACMG classification

Verdict is Benign. Variant got -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.95).
• BA1: GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.306 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
FAM117B	NM_173511.4	c.602-21538C>T		intron_variant		ENST00000392238.3	NP_775782.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
FAM117B	ENST00000392238.3	c.602-21538C>T		intron_variant		1	NM_173511.4	ENSP00000376071	P1
FAM117B	ENST00000481658.1	n.301-21538C>T		intron_variant, non_coding_transcript_variant		1

Frequencies

GnomAD3 genomes AF: 0.0903 AC: 13732 AN: 152114 Hom.: 2086 Cov.: 31

Gnomad AFR AF: 0.311

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.0358

Gnomad ASJ AF: 0.0133

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.00186

Gnomad FIN AF: 0.000754

Gnomad MID AF: 0.0222

Gnomad NFE AF: 0.00138

Gnomad OTH AF: 0.0700

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

GnomAD4 genome AF: 0.0904 AC: 13757 AN: 152232 Hom.: 2089 Cov.: 31 AF XY: 0.0867 AC XY: 6455 AN XY: 74442

Gnomad4 AFR AF: 0.311

Gnomad4 AMR AF: 0.0358

Gnomad4 ASJ AF: 0.0133

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00186

Gnomad4 FIN AF: 0.000754

Gnomad4 NFE AF: 0.00138

Gnomad4 OTH AF: 0.0693

Alfa AF: 0.0577 Hom.: 211

Bravo AF: 0.103

Asia WGS AF: 0.0190 AC: 66 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.95
CADD	Benign	6.6
DANN	Benign	0.53

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: rs9288330; hg19: chr2-203539066;