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20-33288863-G-A

Variant summary

Our verdict is Likely benign. Variant got -4 ACMG points: 2P and 6B. PM2BP4_StrongBP6_Moderate

The NM_033197.3(BPIFB1):c.238G>A(p.Val80Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000322 in 1,613,672 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.000053 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000030 ( 0 hom. )

Consequence

BPIFB1
NM_033197.3 missense

Scores

18

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -3.67
Variant links:
Genes affected
BPIFB1 (HGNC:16108): (BPI fold containing family B member 1) The protein encoded by this gene may be involved in the innate immune response to bacterial exposure in the mouth, nasal cavities, and lungs. The encoded protein is secreted and is a member of the BPI/LBP/PLUNC protein superfamily. This gene is found with other members of the superfamily in a cluster on chromosome 20. [provided by RefSeq, Jul 2008]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.014822185).
BP6
Variant 20-33288863-G-A is Benign according to our data. Variant chr20-33288863-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 2560276.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
BPIFB1NM_033197.3 linkuse as main transcriptc.238G>A p.Val80Ile missense_variant 3/16 ENST00000253354.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
BPIFB1ENST00000253354.2 linkuse as main transcriptc.238G>A p.Val80Ile missense_variant 3/161 NM_033197.3 P1Q8TDL5-1
BPIFB1ENST00000423645.5 linkuse as main transcriptc.238G>A p.Val80Ile missense_variant 3/53

Frequencies

GnomAD3 genomes
AF:
0.0000525
AC:
8
AN:
152246
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000121
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000484
AC:
12
AN:
247816
Hom.:
0
AF XY:
0.0000596
AC XY:
8
AN XY:
134304
show subpopulations
Gnomad AFR exome
AF:
0.0000617
Gnomad AMR exome
AF:
0.000232
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000654
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000903
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000301
AC:
44
AN:
1461308
Hom.:
0
Cov.:
31
AF XY:
0.0000316
AC XY:
23
AN XY:
726988
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.000179
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000504
Gnomad4 SAS exome
AF:
0.0000696
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000243
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000525
AC:
8
AN:
152364
Hom.:
0
Cov.:
32
AF XY:
0.0000671
AC XY:
5
AN XY:
74508
show subpopulations
Gnomad4 AFR
AF:
0.000120
Gnomad4 AMR
AF:
0.000131
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000340
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.0000330
AC:
4
Asia WGS
AF:
0.000289
AC:
1
AN:
3478

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Benign:1
Likely benign, criteria provided, single submitterclinical testingAmbry GeneticsJun 14, 2023This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.073
BayesDel_addAF
Benign
-0.60
T
BayesDel_noAF
Benign
-0.81
Cadd
Benign
0.0010
Dann
Benign
0.30
DEOGEN2
Benign
0.00073
T;T
Eigen
Benign
-2.2
Eigen_PC
Benign
-2.2
FATHMM_MKL
Benign
0.0038
N
LIST_S2
Benign
0.49
T;T
M_CAP
Benign
0.0033
T
MetaRNN
Benign
0.015
T;T
MetaSVM
Benign
-0.98
T
MutationTaster
Benign
1.0
N
PrimateAI
Benign
0.35
T
PROVEAN
Benign
0.17
N;N
REVEL
Benign
0.014
Sift
Benign
1.0
T;T
Sift4G
Benign
1.0
T;T
Polyphen
0.0040
.;B
Vest4
0.038
MVP
0.030
MPC
0.13
ClinPred
0.032
T
GERP RS
-7.5
Varity_R
0.029
gMVP
0.081

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: rs374640604; hg19: chr20-31876669; COSMIC: COSV53605788; API