Genetic Variant ZBTB42:p.Pro337Arg (chr14-104802207-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_001137601.3(ZBTB42):c.1010C>G(p.Pro337Arg) variant causes a missense change. The variant allele was found at a frequency of 0.00000516 in 1,550,002 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 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. P337L) has been classified as Uncertain significance.

Frequency

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

Exomes 𝑓: 0.0000036 ( 0 hom. )

Consequence

ZBTB42
NM_001137601.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 4.54

Publications

1 publications found

Variant links:

Genes affected

ZBTB42 (HGNC:32550): (zinc finger and BTB domain containing 42) The protein encoded by this gene is a member of the C2H2 zinc finger protein family. This protein is predicted to have a pox virus and zinc finger (POZ) domain at the N-terminus and four zinc finger domains at the C-terminus. In human and mouse, the protein localizes to the nuclei of skeletal muscle cells. Knockdown of this gene in zebrafish results in abnormal skeletal muscle development and myofibrillar disorganization. A novel homozygous variant of the human gene has been associated with lethal congenital contracture syndrome, an autosomal recessive disorder that results in muscle wasting. [provided by RefSeq, Mar 2015]

ZBTB42 Gene-Disease associations (from GenCC):

lethal congenital contracture syndrome 6
Inheritance: AR Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae)

ZBTB42 links:

Genome browser will be placed here

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=0.24583161).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ZBTB42	NM_001137601.3 link	c.1010C>G	p.Pro337Arg	missense_variant	Exon 1 of 1	ENST00000342537.8	NP_001131073.1	B2RXF5
ZBTB42	NM_001370342.1 link	c.1010C>G	p.Pro337Arg	missense_variant	Exon 2 of 2		NP_001357271.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ZBTB42	ENST00000342537.8 link	c.1010C>G	p.Pro337Arg	missense_variant	Exon 1 of 1	6	NM_001137601.3	ENSP00000409107.2		B2RXF5
ZBTB42	ENST00000555360.1 link	c.1010C>G	p.Pro337Arg	missense_variant	Exon 2 of 2	1		ENSP00000450673.1		B2RXF5

Frequencies

GnomAD3 genomes

AF:

0.0000197

AC:

AN:

152258

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000196

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:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000132

AC:

AN:

152070

AF XY:

0.0000124

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000811

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000358

AC:

AN:

1397744

Hom.:

Cov.:

AF XY:

0.00000290

AC XY:

AN XY:

689368

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

31596

American (AMR)

AF:

0.0000560

AC:

AN:

35704

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25182

East Asian (EAS)

AF:

0.00

AC:

AN:

35738

South Asian (SAS)

AF:

0.00

AC:

AN:

79236

European-Finnish (FIN)

AF:

0.00

AC:

AN:

47706

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5696

European-Non Finnish (NFE)

AF:

0.00000278

AC:

AN:

1078910

Other (OTH)

AF:

0.00

AC:

AN:

57976

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.445

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000197

AC:

AN:

152258

Hom.:

Cov.:

AF XY:

0.0000269

AC XY:

AN XY:

74376

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41460

American (AMR)

AF:

0.000196

AC:

AN:

15290

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5200

South Asian (SAS)

AF:

0.00

AC:

AN:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10630

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68052

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000302

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.24

BayesDel_addAF

Benign

-0.17

BayesDel_noAF

Benign

-0.29

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.0062

T;T

Eigen

Benign

-0.048

Eigen_PC

Benign

0.016

FATHMM_MKL

Uncertain

0.82

LIST_S2

Benign

0.83

.;T

M_CAP

Uncertain

0.23

MetaRNN

Benign

0.25

T;T

MetaSVM

Benign

-0.75

MutationAssessor

Benign

1.8

L;L

PhyloP100

4.5

PrimateAI

Uncertain

0.63

PROVEAN

Benign

-1.9

N;N

REVEL

Benign

0.20

Sift

Benign

0.21

T;T

Sift4G

Benign

0.48

T;T

Polyphen

0.74

P;P

Vest4

0.17

MutPred

0.31

Gain of catalytic residue at K341 (P = 0.0012);Gain of catalytic residue at K341 (P = 0.0012);

MVP

0.37

ClinPred

0.43

GERP RS

3.3

Varity_R

0.16

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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14-104802207-C-G

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over