Genetic Variant DNAJC27:p.Arg13Thr (chr2-24971867-C-G) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_016544.3(DNAJC27):c.38G>C(p.Arg13Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000686 in 1,457,242 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict 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. R13K) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

DNAJC27
NM_016544.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.52

Publications

0 publications found

Variant links:

Genes affected

DNAJC27 (HGNC:30290): (DnaJ heat shock protein family (Hsp40) member C27) Predicted to enable GTPase activity. Predicted to be involved in intracellular protein transport and positive regulation of MAPK cascade. Predicted to be located in nucleus. [provided by Alliance of Genome Resources, Apr 2022]

DNAJC27 links:

DNAJC27-AS1 (HGNC:42943): (DNAJC27 antisense RNA 1)

DNAJC27-AS1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.2562012).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_016544.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
DNAJC27	NM_016544.3	MANE Select	c.38G>C	p.Arg13Thr	missense	Exon 1 of 7	NP_057628.1	Q9NZQ0-1
DNAJC27	NM_001198559.1		c.38G>C	p.Arg13Thr	missense	Exon 1 of 6	NP_001185488.1	Q9NZQ0-3
DNAJC27-AS1	NR_034113.1		n.-245C>G		upstream_gene	N/A

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
DNAJC27	ENST00000264711.7	TSL:1 MANE Select	c.38G>C	p.Arg13Thr	missense	Exon 1 of 7	ENSP00000264711.2	Q9NZQ0-1
DNAJC27	ENST00000534855.5	TSL:1	c.38G>C	p.Arg13Thr	missense	Exon 1 of 6	ENSP00000440086.2	Q9NZQ0-3
DNAJC27	ENST00000380809.7	TSL:2	n.38G>C		non_coding_transcript_exon	Exon 1 of 9	ENSP00000370187.3	Q9NZQ0-2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.86e-7

AC:

AN:

1457242

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

724880

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33134

American (AMR)

AF:

0.00

AC:

AN:

44182

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26026

East Asian (EAS)

AF:

0.00

AC:

AN:

39338

South Asian (SAS)

AF:

0.00

AC:

AN:

85526

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52642

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5758

European-Non Finnish (NFE)

AF:

9.01e-7

AC:

AN:

1110398

Other (OTH)

AF:

0.00

AC:

AN:

60238

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.36

BayesDel_addAF

Benign

-0.019

BayesDel_noAF

Benign

-0.27

CADD

Benign

(source)

DANN

Benign

0.90

DEOGEN2

Benign

0.040

Eigen

Benign

-0.54

Eigen_PC

Benign

-0.37

FATHMM_MKL

Benign

0.15

LIST_S2

Benign

0.85

M_CAP

Benign

0.035

MetaRNN

Benign

0.26

MetaSVM

Benign

-0.95

MutationAssessor

Benign

0.96

PhyloP100

1.5

PrimateAI

Benign

0.45

PROVEAN

Benign

-1.3

REVEL

Benign

0.075

Sift

Benign

0.11

Sift4G

Benign

0.17

Polyphen

0.0010

Vest4

0.23

MutPred

0.69

Loss of MoRF binding (P = 0.0106)

MVP

0.59

MPC

0.34

ClinPred

0.28

GERP RS

2.4

PromoterAI

0.048

Neutral

(source)

Varity_R

0.10

gMVP

0.49

Mutation Taster

=79/21

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

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over