chr3-9890774-C-A

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 4P and 10B. PM1PM2BP4_StrongBP6_ModerateBS1

The NM_032492.4(JAGN1):​c.52C>A​(p.Gln18Lys) variant causes a missense change. The variant allele was found at a frequency of 0.0000429 in 1,610,264 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★).

Frequency

Genomes: 𝑓 0.000020 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000045 ( 0 hom. )

Consequence

JAGN1
NM_032492.4 missense

Scores

2
17

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 3.81
Variant links:
Genes affected
JAGN1 (HGNC:26926): (jagunal homolog 1) The protein encoded by this gene is a transmembrane protein. It functions in the early secretory pathway and is necessary for neutrophil differentiation and survival. Mutations in this gene result in severe congenital neutropenia. [provided by RefSeq, Oct 2014]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

PM1
In a hotspot region, there are 3 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 1 benign, 10 uncertain in NM_032492.4
PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.019383073).
BP6
Variant 3-9890774-C-A is Benign according to our data. Variant chr3-9890774-C-A is described in ClinVar as [Likely_benign]. Clinvar id is 1128794.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
Variant frequency is greater than expected in population amr. gnomad4_exome allele frequency = 0.0000453 (66/1457948) while in subpopulation AMR AF= 0.0015 (66/44138). AF 95% confidence interval is 0.00121. There are 0 homozygotes in gnomad4_exome. There are 25 alleles in male gnomad4_exome subpopulation. Median coverage is 31. This position pass quality control queck.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
JAGN1NM_032492.4 linkuse as main transcriptc.52C>A p.Gln18Lys missense_variant 1/2 ENST00000647897.1
JAGN1NM_001363890.1 linkuse as main transcriptc.-217C>A 5_prime_UTR_variant 1/2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
JAGN1ENST00000647897.1 linkuse as main transcriptc.52C>A p.Gln18Lys missense_variant 1/2 NM_032492.4 P1
JAGN1ENST00000489724.2 linkuse as main transcriptc.52C>A p.Gln18Lys missense_variant 1/23

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152198
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000196
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000251
AC:
60
AN:
239010
Hom.:
0
AF XY:
0.000177
AC XY:
23
AN XY:
129928
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00179
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:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000453
AC:
66
AN:
1457948
Hom.:
0
Cov.:
31
AF XY:
0.0000345
AC XY:
25
AN XY:
724984
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00150
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:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152316
Hom.:
0
Cov.:
32
AF XY:
0.0000269
AC XY:
2
AN XY:
74482
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.000196
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000122
Hom.:
0
Bravo
AF:
0.000102
ExAC
AF:
0.000198
AC:
24

ClinVar

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

Submissions by phenotype

Autosomal recessive severe congenital neutropenia due to JAGN1 deficiency Benign:1
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpJan 04, 2024- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.091
BayesDel_addAF
Benign
-0.34
T
BayesDel_noAF
Benign
-0.28
CADD
Benign
19
DANN
Benign
0.95
DEOGEN2
Benign
0.30
T;.;T
Eigen
Benign
-0.50
Eigen_PC
Benign
-0.25
FATHMM_MKL
Uncertain
0.81
D
LIST_S2
Benign
0.74
.;T;T
M_CAP
Benign
0.0035
T
MetaRNN
Benign
0.019
T;T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.56
N;.;N
MutationTaster
Benign
1.0
D
PrimateAI
Uncertain
0.61
T
PROVEAN
Benign
-0.97
N;.;.
REVEL
Benign
0.13
Sift
Benign
0.53
T;.;.
Sift4G
Benign
1.0
T;.;.
Polyphen
0.0
B;.;B
Vest4
0.21
MVP
0.37
MPC
0.27
ClinPred
0.057
T
GERP RS
5.0
Varity_R
0.25
gMVP
0.37

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: rs200485958; hg19: chr3-9932458; API