Genetic Variant PRKDC:p.Cys2584Ser (chr8-47837223-A-T) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_006904.7(PRKDC):c.7750T>A(p.Cys2584Ser) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,460,962 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. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. C2584R) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

PRKDC
NM_006904.7 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 8.95

Publications

0 publications found

Variant links:

Genes affected

PRKDC (HGNC:9413): (protein kinase, DNA-activated, catalytic subunit) This gene encodes the catalytic subunit of the DNA-dependent protein kinase (DNA-PK). It functions with the Ku70/Ku80 heterodimer protein in DNA double strand break repair and recombination. The protein encoded is a member of the PI3/PI4-kinase family.[provided by RefSeq, Jul 2010]

PRKDC Gene-Disease associations (from GenCC):

severe combined immunodeficiency due to DNA-PKcs deficiency
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE, LIMITED Submitted by: ClinGen, Orphanet, Labcorp Genetics (formerly Invitae), Ambry Genetics

PRKDC links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.837

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PRKDC	NM_006904.7 link	c.7750T>A	p.Cys2584Ser	missense_variant	Exon 57 of 86	ENST00000314191.7	NP_008835.5	P78527-1
PRKDC	NM_001081640.2 link	c.7750T>A	p.Cys2584Ser	missense_variant	Exon 57 of 85		NP_001075109.1	P78527-2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
PRKDC	ENST00000314191.7 link	c.7750T>A	p.Cys2584Ser	missense_variant	Exon 57 of 86	1	NM_006904.7	ENSP00000313420.3	P78527-1
PRKDC	ENST00000338368.7 link	c.7750T>A	p.Cys2584Ser	missense_variant	Exon 57 of 85	1		ENSP00000345182.4	P78527-2
PRKDC	ENST00000697603.1 link	c.427T>A	p.Cys143Ser	missense_variant	Exon 4 of 33			ENSP00000513358.1	A0A8V8TMR1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1460962

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726752

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33474

American (AMR)

AF:

0.00

AC:

AN:

44676

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26112

East Asian (EAS)

AF:

0.00

AC:

AN:

39696

South Asian (SAS)

AF:

0.00

AC:

AN:

86144

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53374

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5766

European-Non Finnish (NFE)

AF:

9.00e-7

AC:

AN:

1111356

Other (OTH)

AF:

0.00

AC:

AN:

60364

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.67

BayesDel_addAF

Pathogenic

0.36

BayesDel_noAF

Pathogenic

0.28

CADD

Uncertain

(source)

DANN

Uncertain

0.99

DEOGEN2

Uncertain

0.51

D;.

Eigen

Pathogenic

0.74

Eigen_PC

Pathogenic

0.70

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Uncertain

0.94

D;D

M_CAP

Benign

0.031

MetaRNN

Pathogenic

0.84

D;D

MetaSVM

Benign

-1.2

MutationAssessor

Uncertain

2.5

M;M

PhyloP100

8.9

PrimateAI

Uncertain

0.72

REVEL

Uncertain

0.45

Sift4G

Pathogenic

0.0

D;D

Polyphen

1.0

D;.

Vest4

0.86

MutPred

0.63

Gain of disorder (P = 0.0031);Gain of disorder (P = 0.0031);

MVP

0.86

MPC

0.75

ClinPred

0.98

GERP RS

5.8

Varity_R

0.64

gMVP

0.86

Mutation Taster

=51/49

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