16-18793388-C-A

Variant summary

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

The NM_015161.3(ARL6IP1):​c.494-18G>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000784 in 1,438,302 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.00057 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00081 ( 0 hom. )

Consequence

ARL6IP1
NM_015161.3 intron

Scores

2

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.976
Variant links:
Genes affected
ARL6IP1 (HGNC:697): (ADP ribosylation factor like GTPase 6 interacting protein 1) This gene belongs to the ARL6ip family and encodes a transmembrane protein that is predominantly localized to intracytoplasmic membranes. It is highly expressed in early myeloid progenitor cells and thought to be involved in protein transport, membrane trafficking, or cell signaling during hematopoietic maturation. Mutations in this gene are associated with spastic paraplegia 61 (SPG61). Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Sep 2015]

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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 (BayesDel_noAF=-0.86).
BP6
Variant 16-18793388-C-A is Benign according to our data. Variant chr16-18793388-C-A is described in ClinVar as [Likely_benign]. Clinvar id is 2420894.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
ARL6IP1NM_015161.3 linkuse as main transcriptc.494-18G>T intron_variant ENST00000304414.12 NP_055976.1
ARL6IP1NM_001313858.1 linkuse as main transcriptc.407-18G>T intron_variant NP_001300787.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
ARL6IP1ENST00000304414.12 linkuse as main transcriptc.494-18G>T intron_variant 1 NM_015161.3 ENSP00000306788 P1Q15041-1
ARL6IP1ENST00000563861.5 linkuse as main transcriptc.*76-18G>T intron_variant, NMD_transcript_variant 1 ENSP00000456596
ARL6IP1ENST00000546206.6 linkuse as main transcriptc.407-18G>T intron_variant 2 ENSP00000440048 Q15041-2
ARL6IP1ENST00000562819.5 linkuse as main transcriptc.149-18G>T intron_variant 5 ENSP00000457372

Frequencies

GnomAD3 genomes
AF:
0.000580
AC:
88
AN:
151614
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000557
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000263
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00135
Gnomad SAS
AF:
0.00145
Gnomad FIN
AF:
0.000192
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000648
Gnomad OTH
AF:
0.000481
GnomAD3 exomes
AF:
0.000709
AC:
148
AN:
208640
Hom.:
0
AF XY:
0.000674
AC XY:
77
AN XY:
114160
show subpopulations
Gnomad AFR exome
AF:
0.000346
Gnomad AMR exome
AF:
0.000132
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00158
Gnomad SAS exome
AF:
0.000604
Gnomad FIN exome
AF:
0.000492
Gnomad NFE exome
AF:
0.000868
Gnomad OTH exome
AF:
0.00106
GnomAD4 exome
AF:
0.000809
AC:
1041
AN:
1286584
Hom.:
0
Cov.:
19
AF XY:
0.000825
AC XY:
534
AN XY:
646994
show subpopulations
Gnomad4 AFR exome
AF:
0.000608
Gnomad4 AMR exome
AF:
0.000242
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00102
Gnomad4 SAS exome
AF:
0.000485
Gnomad4 FIN exome
AF:
0.000497
Gnomad4 NFE exome
AF:
0.000872
Gnomad4 OTH exome
AF:
0.00102
GnomAD4 genome
AF:
0.000573
AC:
87
AN:
151718
Hom.:
0
Cov.:
33
AF XY:
0.000499
AC XY:
37
AN XY:
74124
show subpopulations
Gnomad4 AFR
AF:
0.000556
Gnomad4 AMR
AF:
0.000263
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00135
Gnomad4 SAS
AF:
0.00146
Gnomad4 FIN
AF:
0.000192
Gnomad4 NFE
AF:
0.000633
Gnomad4 OTH
AF:
0.000476
Alfa
AF:
0.000322
Hom.:
0
Bravo
AF:
0.000680
Asia WGS
AF:
0.00144
AC:
5
AN:
3478

ClinVar

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

Submissions by phenotype

Hereditary spastic paraplegia 61 Benign:1
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 29, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.86
CADD
Benign
1.7
DANN
Benign
0.29

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: rs372011897; hg19: chr16-18804710; COSMIC: COSV58614057; COSMIC: COSV58614057; API