16-58526-C-T

Variant names:

• chr16-58526-C-T
• rs146954411
• NM_022450.5:c.2382G>A

Variant summary

Our verdict is Likely benign. The variant received -1 ACMG points: 2P and 3B. PM2 BP4_Moderate BP7

The NM_022450.5(RHBDF1):​c.2382G>A​(p.Lys794Lys) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,720 control chromosomes in the GnomAD database, with no homozygous occurrence. 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: 33)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: RHBDF1 NM_022450.5 synonymous
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 2.51
• Publications: 0 publications found

Genes affected

RHBDF1 (HGNC:20561): (rhomboid 5 homolog 1) Predicted to enable growth factor binding activity and serine-type endopeptidase activity. Involved in several processes, including negative regulation of protein secretion; regulation of epidermal growth factor receptor signaling pathway; and regulation of proteasomal protein catabolic process. Located in Golgi membrane and endoplasmic reticulum membrane. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Likely_benign. The variant received -1 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (REVEL=0.028).
• BP7: Synonymous conserved (PhyloP=2.51 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_022450.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	RHBDF1	NM_022450.5	MANE Select	c.2382G>A	p.Lys794Lys	synonymous	Exon 18 of 18	NP_071895.3

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	RHBDF1	ENST00000262316.10	TSL:1 MANE Select	c.2382G>A	p.Lys794Lys	synonymous	Exon 18 of 18	ENSP00000262316.5	Q96CC6
	RHBDF1	ENST00000944434.1		c.2490G>A	p.Lys830Lys	synonymous	Exon 19 of 19	ENSP00000614493.1
	RHBDF1	ENST00000944435.1		c.2490G>A	p.Lys830Lys	synonymous	Exon 19 of 19	ENSP00000614494.1

Frequencies

GnomAD3 genomes Cov.: 33

GnomAD4 exome AF: 6.84e-7 AC: 1 AN: 1461720 Hom.: 0 Cov.: 30 AF XY: 0.00 AC XY: 0 AN XY: 727154

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR) AF: 0.00 AC: 0 AN: 33480

American (AMR) AF: 0.00 AC: 0 AN: 44724

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.00 AC: 0 AN: 39700

South Asian (SAS) AF: 0.0000116 AC: 1 AN: 86258

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53254

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1112008

Other (OTH) AF: 0.00 AC: 0 AN: 60392

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

GnomAD4 genome Cov.: 33

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.50
CADD	Benign	8.4
DANN	Benign	0.81
PhyloP100		2.5

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.010		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: rs146954411; hg19: chr16-108525;