rs142112103

Variant summary

Our verdict is Likely benign. The variant received -1 ACMG points: 0P and 1B. BP4

The NM_001354483.2(CSGALNACT1):​c.1518G>T​(p.Gln506His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000129 in 1,614,182 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★). Synonymous variant affecting the same amino acid position (i.e. Q506Q) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000085 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00013 ( 0 hom. )

Consequence

CSGALNACT1
NM_001354483.2 missense

Scores

1
3
14

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2

Conservation

PhyloP100: 3.08

Publications

0 publications found
Variant links:
Genes affected
CSGALNACT1 (HGNC:24290): (chondroitin sulfate N-acetylgalactosaminyltransferase 1) This gene encodes an enzyme that transfers N-acetylglucosamine (GalNAc) to the core tetrasaccharide linker and to elongating chondroitin sulfate chains in proteoglycans. Knockout of the orthologous mouse gene indicates that the protein is necessary for normal cartilage development and aggrecan metabolism. Mutations in this gene are associated with multiple sclerosis progression, and with mild skeletal dysplasia and joint laxity. [provided by RefSeq, Aug 2017]
CSGALNACT1 Gene-Disease associations (from GenCC):
  • skeletal dysplasia, mild, with joint laxity and advanced bone age
    Inheritance: AR Classification: STRONG, MODERATE Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics, ClinGen

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -1 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.28046906).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001354483.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CSGALNACT1
NM_001354483.2
MANE Select
c.1518G>Tp.Gln506His
missense
Exon 9 of 9NP_001341412.1Q8TDX6-1
CSGALNACT1
NM_001130518.2
c.1518G>Tp.Gln506His
missense
Exon 10 of 10NP_001123990.1Q8TDX6-1
CSGALNACT1
NM_001354475.2
c.1518G>Tp.Gln506His
missense
Exon 10 of 10NP_001341404.1Q8TDX6-1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CSGALNACT1
ENST00000692225.2
MANE Select
c.1518G>Tp.Gln506His
missense
Exon 9 of 9ENSP00000509853.1Q8TDX6-1
CSGALNACT1
ENST00000332246.10
TSL:1
c.1518G>Tp.Gln506His
missense
Exon 10 of 10ENSP00000330805.6Q8TDX6-1
CSGALNACT1
ENST00000454498.6
TSL:1
c.1518G>Tp.Gln506His
missense
Exon 10 of 10ENSP00000411816.2Q8TDX6-1

Frequencies

GnomAD3 genomes
AF:
0.0000854
AC:
13
AN:
152176
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
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:
0.000176
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000437
AC:
11
AN:
251448
AF XY:
0.0000442
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000879
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000134
AC:
196
AN:
1461888
Hom.:
0
Cov.:
31
AF XY:
0.000124
AC XY:
90
AN XY:
727246
show subpopulations
African (AFR)
AF:
0.0000299
AC:
1
AN:
33480
American (AMR)
AF:
0.00
AC:
0
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26136
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39698
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86258
European-Finnish (FIN)
AF:
0.0000374
AC:
2
AN:
53420
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.000171
AC:
190
AN:
1112008
Other (OTH)
AF:
0.0000497
AC:
3
AN:
60396
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.495
Heterozygous variant carriers
0
13
25
38
50
63
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
10
20
30
40
50
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000854
AC:
13
AN:
152294
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74464
show subpopulations
African (AFR)
AF:
0.0000241
AC:
1
AN:
41544
American (AMR)
AF:
0.00
AC:
0
AN:
15304
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5178
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4832
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10614
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
292
European-Non Finnish (NFE)
AF:
0.000176
AC:
12
AN:
68036
Other (OTH)
AF:
0.00
AC:
0
AN:
2112
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.483
Heterozygous variant carriers
0
1
2
3
4
5
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.000144
Hom.:
0
Bravo
AF:
0.0000869
TwinsUK
AF:
0.00
AC:
0
ALSPAC
AF:
0.000259
AC:
1
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.000349
AC:
3
ExAC
AF:
0.0000824
AC:
10
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, multiple submitters, no conflicts
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
Inborn genetic diseases (1)
-
1
-
not provided (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.45
BayesDel_addAF
Benign
-0.18
T
BayesDel_noAF
Benign
-0.29
CADD
Benign
17
DANN
Uncertain
0.99
DEOGEN2
Benign
0.27
T
Eigen
Benign
-0.14
Eigen_PC
Benign
0.061
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Benign
0.61
T
M_CAP
Benign
0.012
T
MetaRNN
Benign
0.28
T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
1.9
L
PhyloP100
3.1
PrimateAI
Pathogenic
0.80
T
PROVEAN
Benign
-2.0
N
REVEL
Benign
0.12
Sift
Benign
0.29
T
Sift4G
Benign
0.19
T
Polyphen
0.0090
B
Vest4
0.44
MutPred
0.68
Loss of MoRF binding (P = 0.0946)
MVP
0.23
MPC
0.020
ClinPred
0.10
T
GERP RS
5.0
Varity_R
0.28
gMVP
0.79
Mutation Taster
=8/92
disease causing

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

Other links and lift over

dbSNP: rs142112103; hg19: chr8-19263372; API