1-15544542-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2 PM4

The NM_015291.4(DNAJC16):c.718C>T(p.Gln240Ter) variant causes a stop gained change. The variant allele was found at a frequency of 0.00000137 in 1,461,872 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Affects (no stars). Variant results in nonsense mediated mRNA decay.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 0.0000014 (0 hom.)
• Consequence: DNAJC16 NM_015291.4 stop_gained
• Clinical Significance: Affects no assertion criteria provided O:1
• Conservation: PhyloP100: 5.65

Genes affected

DNAJC16 (HGNC:29157): (DnaJ heat shock protein family (Hsp40) member C16) Predicted to be integral component of membrane. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Uncertain_significance. Variant got 4 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• PM4: Stoplost variant in NM_015291.4 Downstream stopcodon found after 825 codons.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
DNAJC16	NM_015291.4	c.718C>T	p.Gln240Ter	stop_gained	5/15	ENST00000375847.8
DNAJC16	NM_001287811.2	c.-219C>T		5_prime_UTR_variant	4/14
DNAJC16	NR_109898.2	n.847C>T		non_coding_transcript_exon_variant	5/15

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
DNAJC16	ENST00000375847.8	c.718C>T	p.Gln240Ter	stop_gained	5/15	1	NM_015291.4	P1

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD3 exomes AF: 0.00000398 AC: 1 AN: 251432 Hom.: 0 AF XY: 0.00 AC XY: 0 AN XY: 135882

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.00

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: 0.00000879

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.00000137 AC: 2 AN: 1461872 Hom.: 0 Cov.: 30 AF XY: 0.00000138 AC XY: 1 AN XY: 727240

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: 0.0000232

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.00

Gnomad4 OTH exome AF: 0.00

GnomAD4 genome Cov.: 32

ExAC AF: 0.00000824 AC: 1

ClinVar

Significance: Affects

Submissions summary: Other:1

Revision: no assertion criteria provided

Submissions by phenotype

Hereditary spastic paraplegia Other:1

Affects, no assertion criteria provided

research

Yunnan Provincial Key Laboratory of Clinical Virology, Institution of Basic and Clinical Medicine of Yunnan Province, The First People's Hospital of Yunnan Province

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Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_addAF	Pathogenic	0.56	D
BayesDel_noAF	Pathogenic	0.57
Cadd	Pathogenic	38
Dann	Uncertain	1.0
Eigen	Pathogenic	0.84
Eigen_PC	Uncertain	0.66
FATHMM_MKL	Uncertain	0.94	D
MutationTaster	Benign	1.0	A;A;A
Vest4		0.37
GERP RS		5.2

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.10		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: rs746908478; hg19: chr1-15871037;