20-33224402-C-A

Variant summary

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

The NM_178466.5(BPIFA3):​c.326C>A​(p.Ser109*) variant causes a stop gained change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0011 in 1,614,172 control chromosomes in the GnomAD database, including 16 homozygotes. Variant has been reported in ClinVar as Benign (no stars). Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: 𝑓 0.0057 ( 8 hom., cov: 32)
Exomes 𝑓: 0.00062 ( 8 hom. )

Consequence

BPIFA3
NM_178466.5 stop_gained

Scores

1
3
3

Clinical Significance

Benign no assertion criteria provided B:1

Conservation

PhyloP100: 0.883
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 20-33224402-C-A is Benign according to our data. Variant chr20-33224402-C-A is described in ClinVar as [Benign]. Clinvar id is 3045464.Status of the report is no_assertion_criteria_provided, 0 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.0057 (869/152326) while in subpopulation AFR AF= 0.0197 (818/41572). AF 95% confidence interval is 0.0186. There are 8 homozygotes in gnomad4. There are 429 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 8 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
BPIFA3NM_178466.5 linkuse as main transcriptc.326C>A p.Ser109* stop_gained 3/7 ENST00000375454.8 NP_848561.2 Q9BQP9-1
BPIFA3NM_001042439.2 linkuse as main transcriptc.278+441C>A intron_variant NP_001035904.1 Q9BQP9-2
BPIFA3XR_244132.4 linkuse as main transcriptn.553C>A non_coding_transcript_exon_variant 3/7

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
BPIFA3ENST00000375454.8 linkuse as main transcriptc.326C>A p.Ser109* stop_gained 3/75 NM_178466.5 ENSP00000364603.3 Q9BQP9-1
BPIFA3ENST00000375452.3 linkuse as main transcriptc.278+441C>A intron_variant 1 ENSP00000364601.3 Q9BQP9-2
BPIFA3ENST00000490499.5 linkuse as main transcriptn.705C>A non_coding_transcript_exon_variant 4/71
BPIFA3ENST00000471233.1 linkuse as main transcriptn.536C>A non_coding_transcript_exon_variant 3/75

Frequencies

GnomAD3 genomes
AF:
0.00564
AC:
859
AN:
152208
Hom.:
8
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0195
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00196
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000176
Gnomad OTH
AF:
0.00382
GnomAD3 exomes
AF:
0.00150
AC:
378
AN:
251236
Hom.:
5
AF XY:
0.00119
AC XY:
162
AN XY:
135750
show subpopulations
Gnomad AFR exome
AF:
0.0191
Gnomad AMR exome
AF:
0.00130
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:
0.000141
Gnomad OTH exome
AF:
0.000489
GnomAD4 exome
AF:
0.000623
AC:
911
AN:
1461846
Hom.:
8
Cov.:
31
AF XY:
0.000549
AC XY:
399
AN XY:
727218
show subpopulations
Gnomad4 AFR exome
AF:
0.0200
Gnomad4 AMR exome
AF:
0.00159
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:
0.0000504
Gnomad4 OTH exome
AF:
0.00176
GnomAD4 genome
AF:
0.00570
AC:
869
AN:
152326
Hom.:
8
Cov.:
32
AF XY:
0.00576
AC XY:
429
AN XY:
74486
show subpopulations
Gnomad4 AFR
AF:
0.0197
Gnomad4 AMR
AF:
0.00196
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000176
Gnomad4 OTH
AF:
0.00378
Alfa
AF:
0.00103
Hom.:
3
Bravo
AF:
0.00622
ESP6500AA
AF:
0.0172
AC:
76
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.00180
AC:
218
Asia WGS
AF:
0.00202
AC:
7
AN:
3478
EpiCase
AF:
0.000273
EpiControl
AF:
0.000356

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
0.087
D
BayesDel_noAF
Pathogenic
0.37
CADD
Pathogenic
35
DANN
Uncertain
0.99
Eigen
Uncertain
0.32
Eigen_PC
Benign
0.067
FATHMM_MKL
Benign
0.60
D
Vest4
0.073
GERP RS
2.4

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.18
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: rs113989803; hg19: chr20-31812208; API