20-33225206-C-A

Variant summary

Our verdict is Benign. Variant got -9 ACMG points: 0P and 9B. BP6BS1BS2

The NM_178466.5(BPIFA3):​c.495C>A​(p.Cys165*) variant causes a stop gained change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000896 in 1,614,072 control chromosomes in the GnomAD database, including 11 homozygotes. Variant has been reported in ClinVar as Benign (no stars). Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: 𝑓 0.0043 ( 6 hom., cov: 32)
Exomes 𝑓: 0.00054 ( 5 hom. )

Consequence

BPIFA3
NM_178466.5 stop_gained

Scores

1
2
4

Clinical Significance

Benign no assertion criteria provided B:1

Conservation

PhyloP100: -0.00700
Variant links:
Genes affected
BPIFA3 (HGNC:16204): (BPI fold containing family A member 3) Predicted to enable lipid binding activity. Predicted to be located in extracellular region. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -9 ACMG points.

BP6
Variant 20-33225206-C-A is Benign according to our data. Variant chr20-33225206-C-A is described in ClinVar as [Benign]. Clinvar id is 3040241.Status of the report is no_assertion_criteria_provided, 0 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4_exome allele frequency = 0.000543 (794/1461836) while in subpopulation AFR AF= 0.0168 (564/33480). AF 95% confidence interval is 0.0157. There are 5 homozygotes in gnomad4_exome. There are 358 alleles in male gnomad4_exome subpopulation. Median coverage is 33. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 6 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
BPIFA3NM_178466.5 linkuse as main transcriptc.495C>A p.Cys165* stop_gained 4/7 ENST00000375454.8 NP_848561.2 Q9BQP9-1
BPIFA3NM_001042439.2 linkuse as main transcriptc.387C>A p.Cys129* stop_gained 3/6 NP_001035904.1 Q9BQP9-2
BPIFA3XR_244132.4 linkuse as main transcriptn.722C>A non_coding_transcript_exon_variant 4/7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
BPIFA3ENST00000375454.8 linkuse as main transcriptc.495C>A p.Cys165* stop_gained 4/75 NM_178466.5 ENSP00000364603.3 Q9BQP9-1
BPIFA3ENST00000375452.3 linkuse as main transcriptc.387C>A p.Cys129* stop_gained 3/61 ENSP00000364601.3 Q9BQP9-2
BPIFA3ENST00000490499.5 linkuse as main transcriptn.874C>A non_coding_transcript_exon_variant 5/71
BPIFA3ENST00000471233.1 linkuse as main transcriptn.705C>A non_coding_transcript_exon_variant 4/75

Frequencies

GnomAD3 genomes
AF:
0.00425
AC:
646
AN:
152118
Hom.:
6
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0147
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00131
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000208
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00316
Gnomad NFE
AF:
0.000132
Gnomad OTH
AF:
0.00382
GnomAD3 exomes
AF:
0.00118
AC:
297
AN:
251352
Hom.:
2
AF XY:
0.000987
AC XY:
134
AN XY:
135828
show subpopulations
Gnomad AFR exome
AF:
0.0148
Gnomad AMR exome
AF:
0.000983
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000131
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000150
Gnomad OTH exome
AF:
0.000163
GnomAD4 exome
AF:
0.000543
AC:
794
AN:
1461836
Hom.:
5
Cov.:
33
AF XY:
0.000492
AC XY:
358
AN XY:
727218
show subpopulations
Gnomad4 AFR exome
AF:
0.0168
Gnomad4 AMR exome
AF:
0.00119
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000812
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000890
Gnomad4 OTH exome
AF:
0.00113
GnomAD4 genome
AF:
0.00428
AC:
652
AN:
152236
Hom.:
6
Cov.:
32
AF XY:
0.00417
AC XY:
310
AN XY:
74414
show subpopulations
Gnomad4 AFR
AF:
0.0148
Gnomad4 AMR
AF:
0.00131
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000208
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000132
Gnomad4 OTH
AF:
0.00378
Alfa
AF:
0.000609
Hom.:
1
Bravo
AF:
0.00476
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000259
AC:
1
ESP6500AA
AF:
0.0157
AC:
69
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.00143
AC:
173
Asia WGS
AF:
0.000866
AC:
3
AN:
3478
EpiCase
AF:
0.000218
EpiControl
AF:
0.000237

ClinVar

Significance: Benign
Submissions summary: Benign:1
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

BPIFA3-related disorder Benign:1
Benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesDec 28, 2021This variant is classified as 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
BayesDel_addAF
Uncertain
0.016
T
BayesDel_noAF
Pathogenic
0.26
CADD
Pathogenic
34
DANN
Uncertain
0.98
Eigen
Benign
-0.040
Eigen_PC
Benign
-0.39
FATHMM_MKL
Benign
0.043
N
Vest4
0.31
GERP RS
1.5

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: rs116819024; hg19: chr20-31813012; API