NM_017913.4:c.790G>T

Variant names:

• chr9-4701906-G-T
• rs1841401387
• NM_017913.4:c.790G>T

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_017913.4(CDC37L1):​c.790G>T​(p.Glu264*) variant causes a stop gained change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000689 in 1,452,432 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Variant results in nonsense mediated mRNA decay.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 6.9e-7 (0 hom.)
• Consequence: CDC37L1 NM_017913.4 stop_gained
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 7.86
• Publications: 0 publications found

Genes affected

CDC37L1 (HGNC:17179): (cell division cycle 37 like 1, HSP90 cochaperone) CDC37L1 is a cytoplasmic phosphoprotein that exists in complex with HSP90 (HSPCA; MIM 140571) as well as several other proteins involved in HSP90-mediated protein folding (Scholz et al., 2001 [PubMed 11413142]).[supplied by OMIM, Mar 2008]

ACMG classification

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

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

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_017913.4. 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
	CDC37L1	NM_017913.4	MANE Select	c.790G>T	p.Glu264*	stop_gained	Exon 6 of 7	NP_060383.2	Q7L3B6

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CDC37L1	ENST00000381854.4	TSL:1 MANE Select	c.790G>T	p.Glu264*	stop_gained	Exon 6 of 7	ENSP00000371278.3	Q7L3B6
	CDC37L1	ENST00000906225.1		c.730G>T	p.Glu244*	stop_gained	Exon 6 of 7	ENSP00000576284.1
	CDC37L1	ENST00000381858.5	TSL:5	c.790G>T	p.Glu264*	stop_gained	Exon 6 of 7	ENSP00000371282.1	B1AL69

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.88e-7 AC: 1 AN: 1452432 Hom.: 0 Cov.: 30 AF XY: 0.00000138 AC XY: 1 AN XY: 722618

⚠️ 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: 32940

American (AMR) AF: 0.00 AC: 0 AN: 43124

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 25908

East Asian (EAS) AF: 0.00 AC: 0 AN: 39420

South Asian (SAS) AF: 0.00 AC: 0 AN: 84554

European-Finnish (FIN) AF: 0.0000191 AC: 1 AN: 52488

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5674

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1108340

Other (OTH) AF: 0.00 AC: 0 AN: 59984

⚠️ 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.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_addAF	Pathogenic	0.62	D
BayesDel_noAF	Pathogenic	0.66
CADD	Pathogenic	43
DANN	Uncertain	1.0
Eigen	Pathogenic	1.2
Eigen_PC	Pathogenic	1.1
FATHMM_MKL	Pathogenic	0.99	D
PhyloP100		7.9
Vest4		0.40
GERP RS		6.2
Mutation Taster		=2/198	disease causing (fs/PTC)

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.15		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: rs1841401387; hg19: chr9-4701906;