Genetic Variant DNAJC28:p.Ile200Thr (chr21-33488795-A-G) – ACMG Classification: Uncertain_significance (1 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_001040192.3(DNAJC28):c.599T>C(p.Ile200Thr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000205 in 1,461,420 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. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. I200R) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

DNAJC28
NM_001040192.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 8.67

Publications

0 publications found

Variant links:

Genes affected

DNAJC28 (HGNC:1297): (DnaJ heat shock protein family (Hsp40) member C28) This gene encodes a member of the DnaJ heat shock protein family. The encoded protein, which contains a conserved N-terminal DnaJ domain, is thought to play a role in protein folding or act as a molecular chaperone protein. [provided by RefSeq, Oct 2016]

DNAJC28 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.42179844).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DNAJC28	NM_001040192.3 link	c.599T>C	p.Ile200Thr	missense_variant	Exon 2 of 2	ENST00000381947.4	NP_001035282.1	Q9NX36
DNAJC28	NM_001320746.3 link	c.599T>C	p.Ile200Thr	missense_variant	Exon 2 of 2		NP_001307675.1	Q9NX36
DNAJC28	NM_017833.5 link	c.599T>C	p.Ile200Thr	missense_variant	Exon 2 of 2		NP_060303.2	Q9NX36

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
DNAJC28	ENST00000381947.4 link	c.599T>C	p.Ile200Thr	missense_variant	Exon 2 of 2	1	NM_001040192.3	ENSP00000371373.3	Q9NX36
DNAJC28	ENST00000314399.3 link	c.599T>C	p.Ile200Thr	missense_variant	Exon 2 of 2	1		ENSP00000320303.3	Q9NX36
DNAJC28	ENST00000402202.1 link	c.599T>C	p.Ile200Thr	missense_variant	Exon 2 of 2	5		ENSP00000385777.1	Q9NX36

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000398

AC:

AN:

250954

AF XY:

0.00000737

show subpopulations

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 FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000880

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000205

AC:

AN:

1461420

Hom.:

Cov.:

AF XY:

0.00000275

AC XY:

AN XY:

726986

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33452

American (AMR)

AF:

0.00

AC:

AN:

44622

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26120

East Asian (EAS)

AF:

0.00

AC:

AN:

39684

South Asian (SAS)

AF:

0.00

AC:

AN:

86110

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53342

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000270

AC:

AN:

1111938

Other (OTH)

AF:

0.00

AC:

AN:

60384

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.492

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ExAC

AF:

0.0000165

AC:

EpiCase

AF:

0.00

EpiControl

AF:

0.0000593

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.30

BayesDel_addAF

Uncertain

0.039

BayesDel_noAF

Benign

-0.12

CADD

Uncertain

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.088

T;T;T;T

Eigen

Uncertain

0.37

Eigen_PC

Uncertain

0.37

FATHMM_MKL

Pathogenic

0.99

M_CAP

Benign

0.011

MetaRNN

Benign

0.42

T;T;T;T

MetaSVM

Benign

-0.43

MutationAssessor

Uncertain

2.8

M;M;M;M

PhyloP100

8.7

PrimateAI

Benign

0.41

PROVEAN

Uncertain

-3.5

.;D;D;D

REVEL

Benign

0.28

Sift

Uncertain

0.0030

.;D;D;D

Sift4G

Uncertain

0.0050

D;D;D;D

Polyphen

0.68

P;P;P;P

Vest4

0.44

MutPred

0.56

Loss of stability (P = 0.0375);Loss of stability (P = 0.0375);Loss of stability (P = 0.0375);Loss of stability (P = 0.0375);

MVP

0.52

MPC

0.17

ClinPred

0.90

GERP RS

5.4

Varity_R

0.37

gMVP

0.59

Mutation Taster

=58/42

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over