5-181050312-G-A

Variant summary

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

The NM_152547.5(BTNL9):​c.679G>A​(p.Val227Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000328 in 1,614,106 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 Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00015 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000021 ( 0 hom. )

Consequence

BTNL9
NM_152547.5 missense

Scores

1
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.49
Variant links:
Genes affected
BTNL9 (HGNC:24176): (butyrophilin like 9) Predicted to enable signaling receptor binding activity. Predicted to be involved in T cell receptor signaling pathway and regulation of cytokine production. Predicted to be located in plasma membrane. Predicted to be active in external side of plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

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=0.03171274).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
BTNL9NM_152547.5 linkuse as main transcriptc.679G>A p.Val227Ile missense_variant 4/11 ENST00000327705.14

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
BTNL9ENST00000327705.14 linkuse as main transcriptc.679G>A p.Val227Ile missense_variant 4/111 NM_152547.5 P1Q6UXG8-1
BTNL9ENST00000376841.6 linkuse as main transcriptc.679G>A p.Val227Ile missense_variant 4/111 Q6UXG8-3
BTNL9ENST00000515271.1 linkuse as main transcriptc.472G>A p.Val158Ile missense_variant 3/52
BTNL9ENST00000491209.5 linkuse as main transcriptc.679G>A p.Val227Ile missense_variant, NMD_transcript_variant 4/72 Q6UXG8-2

Frequencies

GnomAD3 genomes
AF:
0.000151
AC:
23
AN:
152204
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000434
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:
0.0000147
Gnomad OTH
AF:
0.000479
GnomAD3 exomes
AF:
0.0000756
AC:
19
AN:
251368
Hom.:
0
AF XY:
0.0000515
AC XY:
7
AN XY:
135890
show subpopulations
Gnomad AFR exome
AF:
0.000738
Gnomad AMR exome
AF:
0.00
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:
0.0000264
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000205
AC:
30
AN:
1461784
Hom.:
0
Cov.:
31
AF XY:
0.0000248
AC XY:
18
AN XY:
727182
show subpopulations
Gnomad4 AFR exome
AF:
0.000358
Gnomad4 AMR exome
AF:
0.00
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:
0.00000629
Gnomad4 OTH exome
AF:
0.0000662
GnomAD4 genome
AF:
0.000151
AC:
23
AN:
152322
Hom.:
0
Cov.:
32
AF XY:
0.000134
AC XY:
10
AN XY:
74482
show subpopulations
Gnomad4 AFR
AF:
0.000433
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:
0.0000147
Gnomad4 OTH
AF:
0.000474
Bravo
AF:
0.000106
ESP6500AA
AF:
0.00159
AC:
7
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.000115
AC:
14

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 16, 2021The c.679G>A (p.V227I) alteration is located in exon 4 (coding exon 3) of the BTNL9 gene. This alteration results from a G to A substitution at nucleotide position 679, causing the valine (V) at amino acid position 227 to be replaced by an isoleucine (I). 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
0.096
BayesDel_addAF
Benign
-0.62
T
BayesDel_noAF
Benign
-0.74
CADD
Benign
18
DANN
Benign
0.96
Eigen
Benign
-0.86
Eigen_PC
Benign
-0.73
FATHMM_MKL
Benign
0.48
N
LIST_S2
Benign
0.65
T;T;T
M_CAP
Benign
0.0063
T
MetaRNN
Benign
0.032
T;T;T
MetaSVM
Benign
-0.95
T
MutationAssessor
Benign
0.69
N;N;.
MutationTaster
Benign
1.0
N;N;N;N
PrimateAI
Benign
0.34
T
PROVEAN
Benign
-0.070
N;N;N
REVEL
Benign
0.062
Sift
Uncertain
0.0050
D;D;D
Sift4G
Benign
0.22
T;D;T
Polyphen
0.013, 0.18
.;B;B
Vest4
0.17
MVP
0.21
MPC
0.21
ClinPred
0.047
T
GERP RS
2.3
Varity_R
0.061
gMVP
0.46

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: rs142474308; hg19: chr5-180477312; API