6-8054272-T-C

Variant summary

Our verdict is Benign. Variant got -13 ACMG points: 0P and 13B. BP4_StrongBP6BS1BS2

The NM_201280.3(BLOC1S5):​c.195+8262A>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00312 in 452,292 control chromosomes in the GnomAD database, including 14 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (no stars).

Frequency

Genomes: 𝑓 0.0075 ( 11 hom., cov: 33)
Exomes 𝑓: 0.00087 ( 3 hom. )

Consequence

BLOC1S5
NM_201280.3 intron

Scores

2
Splicing: ADA: 0.00001157
2

Clinical Significance

Likely benign no assertion criteria provided B:1

Conservation

PhyloP100: -0.263
Variant links:
Genes affected
BLOC1S5 (HGNC:18561): (biogenesis of lysosomal organelles complex 1 subunit 5) This gene encodes a component of BLOC-1 (biogenesis of lysosome-related organelles complex 1). Components of this complex are involved in the biogenesis of organelles such as melanosomes and platelet-dense granules. A mouse model for Hermansky-Pudlak Syndrome is mutated in the murine version of this gene. Alternative splicing results in multiple transcript variants. Read-through transcription exists between this gene and the upstream EEF1E1 (eukaryotic translation elongation factor 1 epsilon 1) gene, as well as with the downstream TXNDC5 (thioredoxin domain containing 5) gene. [provided by RefSeq, Dec 2010]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -13 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.91).
BP6
Variant 6-8054272-T-C is Benign according to our data. Variant chr6-8054272-T-C is described in ClinVar as [Likely_benign]. Clinvar id is 3056960.Status of the report is no_assertion_criteria_provided, 0 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00755 (1149/152270) while in subpopulation AFR AF= 0.0262 (1087/41530). AF 95% confidence interval is 0.0249. There are 11 homozygotes in gnomad4. There are 546 alleles in male gnomad4 subpopulation. Median coverage is 33. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 11 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
BLOC1S5NM_201280.3 linkuse as main transcriptc.195+8262A>G intron_variant ENST00000397457.7
BLOC1S5-TXNDC5NR_037616.1 linkuse as main transcriptn.233+8262A>G intron_variant, non_coding_transcript_variant
EEF1E1-BLOC1S5NR_037618.1 linkuse as main transcriptn.541+8262A>G intron_variant, non_coding_transcript_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
BLOC1S5ENST00000397457.7 linkuse as main transcriptc.195+8262A>G intron_variant 1 NM_201280.3 P1Q8TDH9-1
BLOC1S5ENST00000244777.6 linkuse as main transcriptc.195+8262A>G intron_variant, NMD_transcript_variant 1
BLOC1S5ENST00000627748.2 linkuse as main transcriptc.*89A>G splice_region_variant, 3_prime_UTR_variant, NMD_transcript_variant 3/61
BLOC1S5ENST00000543936.7 linkuse as main transcriptc.195+8262A>G intron_variant 2

Frequencies

GnomAD3 genomes
AF:
0.00747
AC:
1137
AN:
152152
Hom.:
9
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0260
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00288
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000132
Gnomad OTH
AF:
0.00430
GnomAD3 exomes
AF:
0.00140
AC:
183
AN:
130398
Hom.:
1
AF XY:
0.00115
AC XY:
82
AN XY:
71346
show subpopulations
Gnomad AFR exome
AF:
0.0239
Gnomad AMR exome
AF:
0.000961
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000462
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000963
Gnomad OTH exome
AF:
0.00125
GnomAD4 exome
AF:
0.000873
AC:
262
AN:
300022
Hom.:
3
Cov.:
0
AF XY:
0.000689
AC XY:
118
AN XY:
171280
show subpopulations
Gnomad4 AFR exome
AF:
0.0234
Gnomad4 AMR exome
AF:
0.000928
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000851
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000317
Gnomad4 OTH exome
AF:
0.00214
GnomAD4 genome
AF:
0.00755
AC:
1149
AN:
152270
Hom.:
11
Cov.:
33
AF XY:
0.00733
AC XY:
546
AN XY:
74454
show subpopulations
Gnomad4 AFR
AF:
0.0262
Gnomad4 AMR
AF:
0.00288
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000132
Gnomad4 OTH
AF:
0.00425
Alfa
AF:
0.00322
Hom.:
0
Bravo
AF:
0.00846
Asia WGS
AF:
0.00318
AC:
11
AN:
3478

ClinVar

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

Submissions by phenotype

BLOC1S5-related disorder Benign:1
Likely benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesAug 26, 2021This variant is classified as likely 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_noAF
Benign
-0.91
CADD
Benign
5.8
DANN
Benign
0.46

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.000012
dbscSNV1_RF
Benign
0.0060
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: rs75648425; hg19: chr6-8054505; API