NM_020183.6:c.1620T>A

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate

The NM_020183.6(BMAL2):​c.1620T>A​(p.Ser540Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000445 in 1,608,404 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00024 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00047 ( 0 hom. )

Consequence

BMAL2
NM_020183.6 missense

Scores

5
13

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.808

Publications

1 publications found
Variant links:
Genes affected
BMAL2 (HGNC:18984): (basic helix-loop-helix ARNT like 2) This gene encodes a basic helix-loop-helix transcription factor belonging to the PAS (PER, ARNT, SIM) superfamily. The PAS proteins play important roles in adaptation to low atmospheric and cellular oxygen levels, exposure to certain environmental pollutants, and diurnal oscillations in light and temperature. This protein forms a transcriptionally active heterodimer with the circadian CLOCK protein, the structurally related MOP4, and hypoxia-inducible factors, such as HIF1alpha. Consistent with its role as a biologically relevant partner of circadian and hypoxia factors, this protein is coexpressed in regions of the brain such as the thalamus, hypothalamus, and amygdala. Alternatively spliced transcript variants encoding different isoforms have been described for this gene. [provided by RefSeq, Oct 2011]
BMAL2-AS1 (HGNC:49892): (BMAL2 antisense RNA 1)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.12793708).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_020183.6. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
BMAL2
NM_020183.6
MANE Select
c.1620T>Ap.Ser540Arg
missense
Exon 15 of 17NP_064568.3
BMAL2
NM_001394524.1
c.1653T>Ap.Ser551Arg
missense
Exon 15 of 17NP_001381453.1
BMAL2
NM_001394525.1
c.1611T>Ap.Ser537Arg
missense
Exon 14 of 16NP_001381454.1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
BMAL2
ENST00000266503.10
TSL:1 MANE Select
c.1620T>Ap.Ser540Arg
missense
Exon 15 of 17ENSP00000266503.5Q8WYA1-1
BMAL2
ENST00000311001.9
TSL:1
c.1578T>Ap.Ser526Arg
missense
Exon 14 of 16ENSP00000312247.5Q8WYA1-2
BMAL2
ENST00000395901.6
TSL:1
c.1509T>Ap.Ser503Arg
missense
Exon 13 of 15ENSP00000379238.2Q8WYA1-3

Frequencies

GnomAD3 genomes
AF:
0.000237
AC:
36
AN:
152138
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000483
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:
0.000500
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.000220
AC:
55
AN:
249720
AF XY:
0.000281
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000488
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000466
AC:
679
AN:
1456266
Hom.:
0
Cov.:
28
AF XY:
0.000440
AC XY:
319
AN XY:
724724
show subpopulations
African (AFR)
AF:
0.0000900
AC:
3
AN:
33340
American (AMR)
AF:
0.00
AC:
0
AN:
44602
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26078
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39532
South Asian (SAS)
AF:
0.0000117
AC:
1
AN:
85714
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53328
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5754
European-Non Finnish (NFE)
AF:
0.000592
AC:
656
AN:
1107756
Other (OTH)
AF:
0.000316
AC:
19
AN:
60162
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.435
Heterozygous variant carriers
0
32
64
97
129
161
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
24
48
72
96
120
<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:
0.000237
AC:
36
AN:
152138
Hom.:
0
Cov.:
32
AF XY:
0.000202
AC XY:
15
AN XY:
74312
show subpopulations
African (AFR)
AF:
0.0000483
AC:
2
AN:
41438
American (AMR)
AF:
0.00
AC:
0
AN:
15270
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5202
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4818
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10612
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.000500
AC:
34
AN:
68012
Other (OTH)
AF:
0.00
AC:
0
AN:
2088
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.524
Heterozygous variant carriers
0
2
4
6
8
10
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<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:
0.000424
Hom.:
0
Bravo
AF:
0.000242
TwinsUK
AF:
0.000270
AC:
1
ALSPAC
AF:
0.00130
AC:
5
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.000233
AC:
2
ExAC
AF:
0.000222
AC:
27

ClinVar

ClinVar submissions as Germline
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.22
BayesDel_addAF
Benign
-0.42
T
BayesDel_noAF
Benign
-0.41
CADD
Benign
17
DANN
Uncertain
1.0
DEOGEN2
Benign
0.18
T
Eigen
Benign
-0.10
Eigen_PC
Benign
-0.19
FATHMM_MKL
Benign
0.69
D
LIST_S2
Benign
0.76
T
M_CAP
Benign
0.0059
T
MetaRNN
Benign
0.13
T
MetaSVM
Benign
-0.76
T
MutationAssessor
Uncertain
2.8
M
PhyloP100
0.81
PrimateAI
Benign
0.33
T
PROVEAN
Uncertain
-2.5
D
REVEL
Benign
0.16
Sift
Uncertain
0.023
D
Sift4G
Uncertain
0.0070
D
Polyphen
0.95
P
Vest4
0.18
MutPred
0.34
Gain of catalytic residue at L544 (P = 0.0256)
MVP
0.56
MPC
0.13
ClinPred
0.19
T
GERP RS
0.26
Varity_R
0.090
gMVP
0.57
Mutation Taster
=61/39
polymorphism

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

Other links and lift over

dbSNP: rs144464783; hg19: chr12-27568835; API