Genetic Variant KRABD1:p.Pro61Ala (chr3-42941975-C-G) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

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

The NM_001205272.2(KRABD1):c.181C>G(p.Pro61Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000326 in 1,535,608 control chromosomes in the GnomAD database, with no homozygous occurrence. 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. P61S) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000034 ( 0 hom. )

Consequence

KRABD1
NM_001205272.2 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.28

Publications

0 publications found

Variant links:

Genes affected

KRABD1 (HGNC:38708): (KRAB box domain containing 1) Predicted to be involved in regulation of transcription, DNA-templated. [provided by Alliance of Genome Resources, Apr 2022]

KRABD1 links:

ENSG00000290317 (HGNC:):

ENSG00000290317 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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_001205272.2. 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
	KRABD1	NM_001205272.2	MANE Select	c.181C>G	p.Pro61Ala	missense	Exon 4 of 5	NP_001192201.1	C9JBD0-1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
KRBOX1	ENST00000383748.9	TSL:1 MANE Select	c.181C>G	p.Pro61Ala	missense	Exon 4 of 5	ENSP00000373254.5	C9JBD0-1
KRBOX1	ENST00000418176.1	TSL:1	c.181C>G	p.Pro61Ala	missense	Exon 3 of 4	ENSP00000388094.1	C9JBD0-1
ENSG00000290317	ENST00000426937.5	TSL:3	c.181C>G	p.Pro61Ala	missense	Exon 6 of 7	ENSP00000413859.1

Frequencies

GnomAD3 genomes

AF:

0.0000197

AC:

AN:

152156

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000441

Gnomad OTH

AF:

0.00

GnomAD4 exome

AF:

0.0000340

AC:

AN:

1383452

Hom.:

Cov.:

AF XY:

0.0000322

AC XY:

AN XY:

682698

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

31586

American (AMR)

AF:

0.00

AC:

AN:

35698

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25178

East Asian (EAS)

AF:

0.00

AC:

AN:

35728

South Asian (SAS)

AF:

0.00

AC:

AN:

79226

European-Finnish (FIN)

AF:

0.0000590

AC:

AN:

33894

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5684

European-Non Finnish (NFE)

AF:

0.0000389

AC:

AN:

1078568

Other (OTH)

AF:

0.0000518

AC:

AN:

57890

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.462

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

AF:

0.0000197

AC:

AN:

152156

Hom.:

Cov.:

AF XY:

0.0000134

AC XY:

AN XY:

74352

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41444

American (AMR)

AF:

0.00

AC:

AN:

15268

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5194

South Asian (SAS)

AF:

0.00

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10612

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000441

AC:

AN:

68026

Other (OTH)

AF:

0.00

AC:

AN:

2088

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.458

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome 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

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000227

TwinsUK

AF:

0.00

AC:

ALSPAC

AF:

0.000259

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.23

BayesDel_addAF

Benign

-0.21

BayesDel_noAF

Benign

-0.54

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.10

Eigen

Uncertain

0.61

Eigen_PC

Uncertain

0.49

FATHMM_MKL

Uncertain

0.90

LIST_S2

Benign

0.57

M_CAP

Benign

0.0086

MetaRNN

Uncertain

0.50

MetaSVM

Benign

-1.2

MutationAssessor

Benign

1.7

PhyloP100

2.3

PrimateAI

Benign

0.26

PROVEAN

Pathogenic

-8.0

REVEL

Benign

0.12

Sift

Uncertain

0.0010

Sift4G

Uncertain

0.0020

Polyphen

1.0

Vest4

0.16

MutPred

0.57

Loss of disorder (P = 0.0619)

MVP

0.29

MPC

0.43

ClinPred

1.0

GERP RS

4.4

Varity_R

0.30

gMVP

0.035

Mutation Taster

=88/12

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

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over