2-185738661-C-T

Variant summary

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

The XM_047444333.1(FSIP2):​c.-507-685C>T variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000262 in 1,535,928 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 Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00014 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00028 ( 0 hom. )

Consequence

FSIP2
XM_047444333.1 intron

Scores

2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.447
Variant links:
Genes affected
FSIP2 (HGNC:21675): (fibrous sheath interacting protein 2) This gene encodes a protein associated with the sperm fibrous sheath. Genes encoding most of the fibrous-sheath associated proteins genes are transcribed only during the postmeiotic period of spermatogenesis. The protein encoded by this gene is specific to spermatogenic cells. Copy number variation in this gene may be associated with testicular germ cell tumors. Pseudogenes associated with this gene are reported on chromosomes 2 and X. [provided by RefSeq, Aug 2016]
FSIP2-AS2 (HGNC:54061): (FSIP2 antisense RNA 2)
FSIP2-AS1 (HGNC:40978): (FSIP2 antisense RNA 1)

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 (BayesDel_noAF=-0.74).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
FSIP2XM_047444333.1 linkc.-507-685C>T intron_variant XP_047300289.1
FSIP2-AS2NR_110215.1 linkn.59G>A non_coding_transcript_exon_variant 1/4
FSIP2-AS2NR_110216.1 linkn.59G>A non_coding_transcript_exon_variant 1/4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
FSIP2-AS2ENST00000421998.5 linkn.61G>A non_coding_transcript_exon_variant 1/41
FSIP2-AS2ENST00000427269.2 linkn.101+1718G>A intron_variant 5
FSIP2-AS2ENST00000437717.1 linkn.119+246G>A intron_variant 3
FSIP2-AS1ENST00000667756.1 linkn.37+50105G>A intron_variant

Frequencies

GnomAD3 genomes
AF:
0.000138
AC:
21
AN:
152242
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
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:
0.000279
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000177
AC:
23
AN:
130090
Hom.:
0
AF XY:
0.000226
AC XY:
16
AN XY:
70926
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000410
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000430
Gnomad OTH exome
AF:
0.000247
GnomAD4 exome
AF:
0.000275
AC:
381
AN:
1383686
Hom.:
0
Cov.:
31
AF XY:
0.000252
AC XY:
172
AN XY:
682790
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000560
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000322
Gnomad4 OTH exome
AF:
0.000553
GnomAD4 genome
AF:
0.000138
AC:
21
AN:
152242
Hom.:
0
Cov.:
32
AF XY:
0.000134
AC XY:
10
AN XY:
74370
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.0000654
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000279
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000470
Hom.:
0
Bravo
AF:
0.000200

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 GeneticsAug 27, 2024The c.34C>T (p.P12S) alteration is located in exon 1 (coding exon 1) of the FSIP2 gene. This alteration results from a C to T substitution at nucleotide position 34, causing the proline (P) at amino acid position 12 to be replaced by a serine (S). 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
BayesDel_noAF
Benign
-0.74
CADD
Benign
5.8
DANN
Benign
0.94

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
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: rs1030966234; hg19: chr2-186603388; COSMIC: COSV105200352; API