14-96241005-T-C

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001379692.1(BDKRB2):ā€‹c.677T>Cā€‹(p.Met226Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000124 in 1,450,688 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 32)
Exomes š‘“: 0.000012 ( 0 hom. )

Consequence

BDKRB2
NM_001379692.1 missense

Scores

19

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.0610
Variant links:
Genes affected
BDKRB2 (HGNC:1030): (bradykinin receptor B2) This gene encodes a receptor for bradykinin. The 9 aa bradykinin peptide elicits many responses including vasodilation, edema, smooth muscle spasm and pain fiber stimulation. Bradykinin is released upon activation by pathophysiologic conditions such as trauma and inflammation, and binds to its kinin receptors, B1 and B2. The B2 receptor associates with G proteins that stimulate a phosphatidylinositol-calcium second messenger system. [provided by RefSeq, Apr 2020]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.061677366).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
BDKRB2NM_001379692.1 linkuse as main transcriptc.677T>C p.Met226Thr missense_variant 3/3 ENST00000554311.2 NP_001366621.1
BDKRB2NM_000623.4 linkuse as main transcriptc.677T>C p.Met226Thr missense_variant 3/3 NP_000614.1 P30411-1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
BDKRB2ENST00000554311.2 linkuse as main transcriptc.677T>C p.Met226Thr missense_variant 3/31 NM_001379692.1 ENSP00000450482.1 P30411-1
BDKRB2ENST00000542454.2 linkuse as main transcriptc.596T>C p.Met199Thr missense_variant 3/31 ENSP00000439459.2 P30411-2
ENSG00000258691ENST00000553811.1 linkuse as main transcriptc.74+3824T>C intron_variant 2 ENSP00000450984.1 G3V318
BDKRB2ENST00000539359.1 linkuse as main transcriptc.596T>C p.Met199Thr missense_variant 4/42 ENSP00000438376.1 P30411-2

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.0000243
AC:
6
AN:
246604
Hom.:
0
AF XY:
0.0000150
AC XY:
2
AN XY:
132998
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000146
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000467
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000124
AC:
18
AN:
1450688
Hom.:
0
Cov.:
31
AF XY:
0.0000139
AC XY:
10
AN XY:
719532
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.000158
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.0000188
Gnomad4 NFE exome
AF:
0.00000906
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
Alfa
AF:
0.0000278
Hom.:
0
Bravo
AF:
0.0000491
ExAC
AF:
0.0000247
AC:
3

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsSep 08, 2024The c.677T>C (p.M226T) alteration is located in exon 3 (coding exon 2) of the BDKRB2 gene. This alteration results from a T to C substitution at nucleotide position 677, causing the methionine (M) at amino acid position 226 to be replaced by a threonine (T). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.11
BayesDel_addAF
Benign
-0.36
T
BayesDel_noAF
Benign
-0.52
CADD
Benign
4.1
DANN
Benign
0.59
DEOGEN2
Benign
0.29
.;T;.
Eigen
Benign
-1.0
Eigen_PC
Benign
-0.94
FATHMM_MKL
Benign
0.083
N
LIST_S2
Benign
0.16
.;T;T
M_CAP
Benign
0.013
T
MetaRNN
Benign
0.062
T;T;T
MetaSVM
Benign
-0.96
T
MutationAssessor
Benign
0.27
.;N;.
PrimateAI
Benign
0.31
T
PROVEAN
Benign
-1.1
N;N;N
REVEL
Benign
0.18
Sift
Benign
0.34
T;T;T
Sift4G
Benign
0.34
T;T;T
Polyphen
0.0
.;B;.
Vest4
0.050
MutPred
0.59
.;Gain of catalytic residue at M226 (P = 0.0121);.;
MVP
0.60
ClinPred
0.035
T
GERP RS
1.2
Varity_R
0.045
gMVP
0.65

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs778853908; hg19: chr14-96707342; API