Genetic Variant BLVRB:p.Asp60Asn (chr19-40458447-C-T) – ACMG Classification: Likely_benign (-1 pts)

Variant summary

Our verdict is Likely benign. The variant received -1 ACMG points: 0P and 1B. BP4

The NM_000713.3(BLVRB):c.178G>A(p.Asp60Asn) variant causes a missense change. The variant allele was found at a frequency of 0.0000501 in 1,597,856 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000066 ( 0 hom., cov: 30)

Exomes 𝑓: 0.000048 ( 0 hom. )

Consequence

BLVRB
NM_000713.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.36

Publications

1 publications found

Variant links:

Genes affected

BLVRB (HGNC:1063): (biliverdin reductase B) Enables biliverdin reductase (NAD(P)+) activity and riboflavin reductase (NADPH) activity. Involved in heme catabolic process. Located in cytosol; nucleoplasm; and plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

BLVRB links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -1 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.27074522).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000713.3. 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
	BLVRB	NM_000713.3	MANE Select	c.178G>A	p.Asp60Asn	missense	Exon 2 of 5	NP_000704.1	P30043

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
BLVRB	ENST00000263368.9	TSL:1 MANE Select	c.178G>A	p.Asp60Asn	missense	Exon 2 of 5	ENSP00000263368.3	P30043
BLVRB	ENST00000643519.1		c.178G>A	p.Asp60Asn	missense	Exon 2 of 4	ENSP00000494515.1	A0A2R8YEP4
BLVRB	ENST00000926837.1		c.178G>A	p.Asp60Asn	missense	Exon 2 of 5	ENSP00000596896.1

Frequencies

GnomAD3 genomes

AF:

0.0000657

AC:

AN:

152196

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:

0.000827

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000441

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000110

AC:

AN:

217436

AF XY:

0.000161

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000349

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000313

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000484

AC:

AN:

1445660

Hom.:

Cov.:

AF XY:

0.0000766

AC XY:

AN XY:

717650

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33230

American (AMR)

AF:

0.000236

AC:

AN:

42448

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25716

East Asian (EAS)

AF:

0.00

AC:

AN:

38966

South Asian (SAS)

AF:

0.000576

AC:

AN:

83398

European-Finnish (FIN)

AF:

0.00

AC:

AN:

51484

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5754

European-Non Finnish (NFE)

AF:

0.00000634

AC:

AN:

1104936

Other (OTH)

AF:

0.0000837

AC:

AN:

59728

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.460

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:

0.0000657

AC:

AN:

152196

Hom.:

Cov.:

AF XY:

0.000108

AC XY:

AN XY:

74354

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41446

American (AMR)

AF:

0.000196

AC:

AN:

15280

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5194

South Asian (SAS)

AF:

0.000827

AC:

AN:

4836

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10626

Middle Eastern (MID)

AF:

0.00

AC:

AN:

314

European-Non Finnish (NFE)

AF:

0.0000441

AC:

AN:

68030

Other (OTH)

AF:

0.00

AC:

AN:

2088

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.500

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:

0.0000756

ESP6500AA

AF:

0.00

AC:

ESP6500EA

AF:

0.000116

AC:

ExAC

AF:

0.0000909

AC:

Asia WGS

AF:

0.000866

AC:

AN:

3478

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.25

BayesDel_addAF

Benign

-0.37

BayesDel_noAF

Benign

-0.46

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.055

Eigen

Uncertain

0.53

Eigen_PC

Uncertain

0.43

FATHMM_MKL

Uncertain

0.91

LIST_S2

Benign

0.83

M_CAP

Benign

0.056

MetaRNN

Benign

0.27

MetaSVM

Benign

-0.55

MutationAssessor

Uncertain

2.8

PhyloP100

5.4

PrimateAI

Uncertain

0.63

PROVEAN

Uncertain

-3.3

REVEL

Benign

0.24

Sift

Uncertain

0.0020

Sift4G

Uncertain

0.019

Polyphen

0.99

Vest4

0.34

MVP

0.51

MPC

0.37

ClinPred

0.55

GERP RS

4.0

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.84

gMVP

0.71

Mutation Taster

=38/62

disease causing

(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