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GeneBe

19-48796448-T-C

Variant summary

Our verdict is Benign. Variant got -10 ACMG points: 2P and 12B. PM2BP4_StrongBP6_Very_Strong

The NM_001190.4(BCAT2):ā€‹c.1120A>Gā€‹(p.Lys374Glu) variant causes a missense change. The variant allele was found at a frequency of 0.000299 in 1,614,104 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. 12/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (ā˜…ā˜…).

Frequency

Genomes: š‘“ 0.0017 ( 0 hom., cov: 33)
Exomes š‘“: 0.00015 ( 1 hom. )

Consequence

BCAT2
NM_001190.4 missense

Scores

2
14

Clinical Significance

Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 4.32
Variant links:
Genes affected
BCAT2 (HGNC:977): (branched chain amino acid transaminase 2) This gene encodes a branched chain aminotransferase found in mitochondria. The encoded protein forms a dimer that catalyzes the first step in the production of the branched chain amino acids leucine, isoleucine, and valine. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Sep 2009]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -10 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.0068501234).
BP6
Variant 19-48796448-T-C is Benign according to our data. Variant chr19-48796448-T-C is described in ClinVar as [Likely_benign]. Clinvar id is 1637906.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
BCAT2NM_001190.4 linkuse as main transcriptc.1120A>G p.Lys374Glu missense_variant 10/11 ENST00000316273.11
BCAT2NM_001284325.2 linkuse as main transcriptc.1000A>G p.Lys334Glu missense_variant 11/12
BCAT2NM_001164773.2 linkuse as main transcriptc.844A>G p.Lys282Glu missense_variant 8/9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
BCAT2ENST00000316273.11 linkuse as main transcriptc.1120A>G p.Lys374Glu missense_variant 10/111 NM_001190.4 P1O15382-1

Frequencies

GnomAD3 genomes
AF:
0.00174
AC:
264
AN:
152158
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00584
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000917
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:
0.00383
GnomAD3 exomes
AF:
0.000521
AC:
131
AN:
251376
Hom.:
1
AF XY:
0.000449
AC XY:
61
AN XY:
135858
show subpopulations
Gnomad AFR exome
AF:
0.00627
Gnomad AMR exome
AF:
0.000781
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000879
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.000148
AC:
217
AN:
1461828
Hom.:
1
Cov.:
33
AF XY:
0.000124
AC XY:
90
AN XY:
727224
show subpopulations
Gnomad4 AFR exome
AF:
0.00448
Gnomad4 AMR exome
AF:
0.000805
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000450
Gnomad4 OTH exome
AF:
0.000414
GnomAD4 genome
AF:
0.00174
AC:
265
AN:
152276
Hom.:
0
Cov.:
33
AF XY:
0.00180
AC XY:
134
AN XY:
74454
show subpopulations
Gnomad4 AFR
AF:
0.00585
Gnomad4 AMR
AF:
0.000916
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00379
Alfa
AF:
0.000297
Hom.:
0
Bravo
AF:
0.00202
ESP6500AA
AF:
0.00522
AC:
23
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.000568
AC:
69
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

Significance: Likely benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingInvitaeDec 19, 2023- -
BCAT2-related disorder Benign:1
Likely benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact SciencesAug 06, 2020This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.089
BayesDel_addAF
Benign
-0.51
T
BayesDel_noAF
Benign
-0.51
CADD
Benign
22
DANN
Uncertain
0.99
Eigen
Benign
-0.34
Eigen_PC
Benign
-0.16
FATHMM_MKL
Uncertain
0.96
D
LIST_S2
Benign
0.74
T;.;T;T;T;T;T
MetaRNN
Benign
0.0069
T;T;T;T;T;T;T
MetaSVM
Benign
-1.0
T
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Benign
0.38
T
PROVEAN
Benign
-1.2
N;N;N;.;.;.;.
REVEL
Benign
0.061
Sift
Benign
0.54
T;T;T;.;.;.;.
Sift4G
Benign
0.44
T;T;T;T;T;T;T
Polyphen
0.0
B;B;B;.;B;.;.
Vest4
0.30
MVP
0.41
MPC
0.56
ClinPred
0.032
T
GERP RS
3.6
Varity_R
0.48
gMVP
0.76

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.16
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: rs140856269; hg19: chr19-49299705; COSMIC: COSV60272593; COSMIC: COSV60272593; API