chrX-8795423-G-A

Variant summary

Our verdict is Benign. Variant got -10 ACMG points: 0P and 10B. BP4_StrongBP6_ModerateBS2

The NM_174951.3(FAM9A):​c.489-3C>T variant causes a splice region, splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00689 in 1,181,120 control chromosomes in the GnomAD database, including 21 homozygotes. There are 2,632 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.0052 ( 1 hom., 190 hem., cov: 22)
Exomes 𝑓: 0.0071 ( 20 hom. 2442 hem. )

Consequence

FAM9A
NM_174951.3 splice_region, splice_polypyrimidine_tract, intron

Scores

2
Splicing: ADA: 0.0005165
2

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.0420
Variant links:
Genes affected
FAM9A (HGNC:18403): (family with sequence similarity 9 member A) This gene is a member of a gene family which arose through duplication on the X chromosome. The encoded protein may be a nuclear protein that is localized to the nucleolus, and has some similarity to a synaptonemal complex protein. Multiple alternatively spliced variants, encoding the same protein, have been identified. [provided by RefSeq, Aug 2011]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -10 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.92).
BP6
Variant X-8795423-G-A is Benign according to our data. Variant chrX-8795423-G-A is described in ClinVar as [Benign]. Clinvar id is 789363.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High Hemizygotes in GnomAd4 at 190 gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
FAM9ANM_174951.3 linkuse as main transcriptc.489-3C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant ENST00000381003.7
FAM9ANM_001171186.1 linkuse as main transcriptc.489-3C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
FAM9AENST00000381003.7 linkuse as main transcriptc.489-3C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 1 NM_174951.3 P1
FAM9AENST00000543214.1 linkuse as main transcriptc.489-3C>T splice_region_variant, splice_polypyrimidine_tract_variant, intron_variant 1 P1

Frequencies

GnomAD3 genomes
AF:
0.00519
AC:
580
AN:
111669
Hom.:
1
Cov.:
22
AF XY:
0.00561
AC XY:
190
AN XY:
33841
show subpopulations
Gnomad AFR
AF:
0.00114
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00566
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000375
Gnomad FIN
AF:
0.0118
Gnomad MID
AF:
0.0294
Gnomad NFE
AF:
0.00751
Gnomad OTH
AF:
0.00469
GnomAD3 exomes
AF:
0.00549
AC:
909
AN:
165488
Hom.:
5
AF XY:
0.00547
AC XY:
296
AN XY:
54126
show subpopulations
Gnomad AFR exome
AF:
0.000770
Gnomad AMR exome
AF:
0.00393
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00147
Gnomad FIN exome
AF:
0.0144
Gnomad NFE exome
AF:
0.00731
Gnomad OTH exome
AF:
0.00520
GnomAD4 exome
AF:
0.00707
AC:
7564
AN:
1069398
Hom.:
20
Cov.:
30
AF XY:
0.00715
AC XY:
2442
AN XY:
341732
show subpopulations
Gnomad4 AFR exome
AF:
0.000862
Gnomad4 AMR exome
AF:
0.00434
Gnomad4 ASJ exome
AF:
0.000109
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00126
Gnomad4 FIN exome
AF:
0.0157
Gnomad4 NFE exome
AF:
0.00774
Gnomad4 OTH exome
AF:
0.00657
GnomAD4 genome
AF:
0.00517
AC:
578
AN:
111722
Hom.:
1
Cov.:
22
AF XY:
0.00560
AC XY:
190
AN XY:
33904
show subpopulations
Gnomad4 AFR
AF:
0.00114
Gnomad4 AMR
AF:
0.00566
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000376
Gnomad4 FIN
AF:
0.0118
Gnomad4 NFE
AF:
0.00751
Gnomad4 OTH
AF:
0.00463
Alfa
AF:
0.00578
Hom.:
52
Bravo
AF:
0.00432

ClinVar

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

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeMay 14, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.92
CADD
Benign
4.1
DANN
Benign
0.38

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00052
dbscSNV1_RF
Benign
0.11
SpliceAI score (max)
0.030
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: rs184031578; hg19: chrX-8763464; API