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chr6-32394044-C-T

Variant summary

Our verdict is Benign. Variant got -13 ACMG points: 0P and 13B. BP4_StrongBP7BA1

The NM_001304561.2(BTNL2):​c.1374G>A​(p.Thr458=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.143 in 1,549,740 control chromosomes in the GnomAD database, including 18,055 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: 𝑓 0.12 ( 1292 hom., cov: 32)
Exomes 𝑓: 0.14 ( 16763 hom. )

Consequence

BTNL2
NM_001304561.2 synonymous

Scores

2

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.546
Variant links:
Genes affected
BTNL2 (HGNC:1142): (butyrophilin like 2) This gene encodes a major histocompatibility complex, class II associated, type I transmembrane protein which belongs to the butyrophilin-like B7 family of immunoregulators. It is thought to be involved in immune surveillance, serving as a negative T-cell regulator by decreasing T-cell proliferation and cytokine release. The encoded protein contains an N-terminal signal peptide, two pairs of immunoglobulin-like domains, separated by a heptad peptide sequence, and a C-terminal transmembrane domain. Naturally occurring mutations in this gene are associated with sarcoidosis, rheumatoid arthritis, ulcerative colitis, inflammatory bowel disease, myositis, type 1 diabetes, systemic lupus erythematosus, acute coronary syndrome, and prostate cancer. [provided by RefSeq, May 2017]
TSBP1-AS1 (HGNC:39756): (TSBP1 and BTNL2 antisense RNA 1)

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -13 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.75).
BP7
Synonymous conserved (PhyloP=0.546 with no splicing effect.
BA1
GnomAd4 highest subpopulation (NFE) allele frequency at 95% confidence interval = 0.151 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
BTNL2NM_001304561.2 linkuse as main transcriptc.1374G>A p.Thr458= synonymous_variant 7/8 ENST00000454136.8
TSBP1-AS1NR_136245.1 linkuse as main transcriptn.303-11410C>T intron_variant, non_coding_transcript_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
BTNL2ENST00000454136.8 linkuse as main transcriptc.1374G>A p.Thr458= synonymous_variant 7/85 NM_001304561.2 P1
TSBP1-AS1ENST00000645134.1 linkuse as main transcriptn.627+3291C>T intron_variant, non_coding_transcript_variant
TSBP1-AS1ENST00000642577.1 linkuse as main transcriptn.708+3291C>T intron_variant, non_coding_transcript_variant
TSBP1-AS1ENST00000645167.1 linkuse as main transcriptn.124-12073C>T intron_variant, non_coding_transcript_variant

Frequencies

GnomAD3 genomes
AF:
0.124
AC:
18876
AN:
152068
Hom.:
1293
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.117
Gnomad AMI
AF:
0.120
Gnomad AMR
AF:
0.0732
Gnomad ASJ
AF:
0.0949
Gnomad EAS
AF:
0.0435
Gnomad SAS
AF:
0.0195
Gnomad FIN
AF:
0.141
Gnomad MID
AF:
0.0348
Gnomad NFE
AF:
0.154
Gnomad OTH
AF:
0.106
GnomAD3 exomes
AF:
0.101
AC:
14956
AN:
148536
Hom.:
1082
AF XY:
0.0977
AC XY:
7823
AN XY:
80050
show subpopulations
Gnomad AFR exome
AF:
0.119
Gnomad AMR exome
AF:
0.0619
Gnomad ASJ exome
AF:
0.0897
Gnomad EAS exome
AF:
0.0563
Gnomad SAS exome
AF:
0.0187
Gnomad FIN exome
AF:
0.134
Gnomad NFE exome
AF:
0.149
Gnomad OTH exome
AF:
0.102
GnomAD4 exome
AF:
0.145
AC:
202422
AN:
1397554
Hom.:
16763
Cov.:
33
AF XY:
0.141
AC XY:
96868
AN XY:
689340
show subpopulations
Gnomad4 AFR exome
AF:
0.116
Gnomad4 AMR exome
AF:
0.0650
Gnomad4 ASJ exome
AF:
0.0948
Gnomad4 EAS exome
AF:
0.0402
Gnomad4 SAS exome
AF:
0.0192
Gnomad4 FIN exome
AF:
0.139
Gnomad4 NFE exome
AF:
0.164
Gnomad4 OTH exome
AF:
0.131
GnomAD4 genome
AF:
0.124
AC:
18884
AN:
152186
Hom.:
1292
Cov.:
32
AF XY:
0.118
AC XY:
8764
AN XY:
74408
show subpopulations
Gnomad4 AFR
AF:
0.116
Gnomad4 AMR
AF:
0.0731
Gnomad4 ASJ
AF:
0.0949
Gnomad4 EAS
AF:
0.0436
Gnomad4 SAS
AF:
0.0195
Gnomad4 FIN
AF:
0.141
Gnomad4 NFE
AF:
0.154
Gnomad4 OTH
AF:
0.105
Alfa
AF:
0.130
Hom.:
1787
Bravo
AF:
0.119
Asia WGS
AF:
0.0490
AC:
170
AN:
3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.75
CADD
Benign
2.8
DANN
Benign
0.52

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.060
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: rs3129953; hg19: chr6-32361821; API