chrX-84326256-C-T

Variant summary

Our verdict is Benign. Variant got -19 ACMG points: 0P and 19B. BP4_ModerateBP6_Very_StrongBP7BS1BS2

The NM_001177479.2(HDX):​c.1869G>A​(p.Lys623=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00199 in 1,189,506 control chromosomes in the GnomAD database, including 40 homozygotes. There are 716 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0037 ( 9 hom., 138 hem., cov: 23)
Exomes 𝑓: 0.0018 ( 31 hom. 578 hem. )

Consequence

HDX
NM_001177479.2 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 0.222
Variant links:
Genes affected
HDX (HGNC:26411): (highly divergent homeobox) Predicted to enable DNA-binding transcription factor activity, RNA polymerase II-specific and RNA polymerase II cis-regulatory region sequence-specific DNA binding activity. Predicted to be involved in regulation of transcription by RNA polymerase II. Predicted to be located in nucleus. Predicted to be part of chromatin. [provided by Alliance of Genome Resources, Apr 2022]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -19 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.43).
BP6
Variant X-84326256-C-T is Benign according to our data. Variant chrX-84326256-C-T is described in ClinVar as [Benign]. Clinvar id is 784565.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=0.222 with no splicing effect.
BS1
Variant frequency is greater than expected in population amr. gnomad4 allele frequency = 0.00365 (408/111731) while in subpopulation AMR AF= 0.0285 (299/10496). AF 95% confidence interval is 0.0258. There are 9 homozygotes in gnomad4. There are 138 alleles in male gnomad4 subpopulation. Median coverage is 23. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 9 gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
HDXNM_001177479.2 linkuse as main transcriptc.1869G>A p.Lys623= synonymous_variant 10/11 ENST00000373177.3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
HDXENST00000373177.3 linkuse as main transcriptc.1869G>A p.Lys623= synonymous_variant 10/111 NM_001177479.2 P1Q7Z353-1
HDXENST00000297977.9 linkuse as main transcriptc.1869G>A p.Lys623= synonymous_variant 9/101 P1Q7Z353-1
HDXENST00000506585.6 linkuse as main transcriptc.1695G>A p.Lys565= synonymous_variant 9/102 Q7Z353-2

Frequencies

GnomAD3 genomes
AF:
0.00366
AC:
409
AN:
111679
Hom.:
9
Cov.:
23
AF XY:
0.00407
AC XY:
138
AN XY:
33885
show subpopulations
Gnomad AFR
AF:
0.00117
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0287
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.0158
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000169
Gnomad OTH
AF:
0.00464
GnomAD3 exomes
AF:
0.00627
AC:
1136
AN:
181312
Hom.:
21
AF XY:
0.00401
AC XY:
265
AN XY:
66084
show subpopulations
Gnomad AFR exome
AF:
0.00145
Gnomad AMR exome
AF:
0.0342
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0129
Gnomad SAS exome
AF:
0.0000536
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000247
Gnomad OTH exome
AF:
0.00424
GnomAD4 exome
AF:
0.00182
AC:
1964
AN:
1077775
Hom.:
31
Cov.:
25
AF XY:
0.00168
AC XY:
578
AN XY:
344569
show subpopulations
Gnomad4 AFR exome
AF:
0.000923
Gnomad4 AMR exome
AF:
0.0371
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0171
Gnomad4 SAS exome
AF:
0.0000748
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000328
Gnomad4 OTH exome
AF:
0.00216
GnomAD4 genome
AF:
0.00365
AC:
408
AN:
111731
Hom.:
9
Cov.:
23
AF XY:
0.00407
AC XY:
138
AN XY:
33947
show subpopulations
Gnomad4 AFR
AF:
0.00117
Gnomad4 AMR
AF:
0.0285
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.0161
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000169
Gnomad4 OTH
AF:
0.00458
Alfa
AF:
0.00217
Hom.:
15
Bravo
AF:
0.00636
EpiCase
AF:
0.000164
EpiControl
AF:
0.00

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJul 16, 2018- -
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.43
CADD
Benign
6.2
DANN
Benign
0.61

Splicing

Name
Calibrated prediction
Score
Prediction
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: rs143487849; hg19: chrX-83581264; COSMIC: COSV52977257; API