rs375686495

Variant summary

Our verdict is Likely pathogenic. The variant received 6 ACMG points: 6P and 0B. PM2PP3_Strong

The NM_020991.4(CSH2):​c.626G>T​(p.Arg209Leu) variant causes a missense change. The variant allele was found at a frequency of 0.00000805 in 1,613,930 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 29)
Exomes 𝑓: 0.0000062 ( 0 hom. )

Consequence

CSH2
NM_020991.4 missense

Scores

6
6
6

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 4.01

Publications

1 publications found
Variant links:
Genes affected
CSH2 (HGNC:2441): (chorionic somatomammotropin hormone 2) The protein encoded by this gene is a member of the somatotropin/prolactin family of hormones and plays an important role in growth control. The gene is located at the growth hormone locus on chromosome 17 along with four other related genes in the same transcriptional orientation; an arrangement which is thought to have evolved by a series of gene duplications. Although the five genes share a remarkably high degree of sequence identity, they are expressed selectively in different tissues. Alternative splicing generates additional isoforms of each of the five growth hormones. This particular family member is expressed mainly in the placenta and utilizes multiple transcription initiation sites. Expression of the identical mature proteins for chorionic somatomammotropin hormones 1 and 2 is upregulated during development, while the ratio of 1 to 2 increases by term. Structural and expression differences provide avenues for developmental regulation and tissue specificity. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_pathogenic. The variant received 6 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.972

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_020991.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CSH2
NM_020991.4
MANE Select
c.626G>Tp.Arg209Leu
missense
Exon 5 of 5NP_066271.1P0DML3-1
CSH2
NM_022645.2
c.341G>Tp.Arg114Leu
missense
Exon 3 of 3NP_072171.1B1A4H9
CSH2
NM_022644.3
c.*375G>T
3_prime_UTR
Exon 4 of 4NP_072170.1A6NIT4

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
CSH2
ENST00000392886.7
TSL:1 MANE Select
c.626G>Tp.Arg209Leu
missense
Exon 5 of 5ENSP00000376623.2P0DML3-1
CSH2
ENST00000613718.3
TSL:1
c.359G>Tp.Arg120Leu
missense
Exon 4 of 4ENSP00000478842.1A0A087WUG6
CSH2
ENST00000560142.5
TSL:5
c.455G>Tp.Arg152Leu
missense
Exon 5 of 5ENSP00000453452.1H0YM39

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152106
Hom.:
0
Cov.:
29
show subpopulations
Gnomad AFR
AF:
0.0000482
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:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.00000795
AC:
2
AN:
251478
AF XY:
0.0000147
show subpopulations
Gnomad AFR exome
AF:
0.00
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:
0.0000176
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000616
AC:
9
AN:
1461824
Hom.:
0
Cov.:
32
AF XY:
0.00000825
AC XY:
6
AN XY:
727216
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33478
American (AMR)
AF:
0.00
AC:
0
AN:
44722
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:
0.00
AC:
0
AN:
53420
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.00000809
AC:
9
AN:
1111950
Other (OTH)
AF:
0.00
AC:
0
AN:
60394
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.469
Heterozygous variant carriers
0
1
2
2
3
4
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome 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
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
152106
Hom.:
0
Cov.:
29
AF XY:
0.0000404
AC XY:
3
AN XY:
74290
show subpopulations
African (AFR)
AF:
0.0000482
AC:
2
AN:
41458
American (AMR)
AF:
0.00
AC:
0
AN:
15256
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5190
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4826
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10596
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000294
AC:
2
AN:
67988
Other (OTH)
AF:
0.00
AC:
0
AN:
2092
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.575
Heterozygous variant carriers
0
1
1
2
2
3
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:
0.0000282
Hom.:
0
Bravo
AF:
0.0000151
ExAC
AF:
0.00000824
AC:
1

ClinVar

ClinVar submissions as Germline
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.32
BayesDel_addAF
Pathogenic
0.23
D
BayesDel_noAF
Uncertain
0.10
CADD
Uncertain
25
DANN
Uncertain
0.99
DEOGEN2
Pathogenic
0.84
D
Eigen
Benign
0.14
Eigen_PC
Benign
0.0016
FATHMM_MKL
Uncertain
0.78
D
LIST_S2
Uncertain
0.87
D
M_CAP
Benign
0.069
D
MetaRNN
Pathogenic
0.97
D
MetaSVM
Uncertain
0.57
D
MutationAssessor
Pathogenic
3.0
M
PhyloP100
4.0
PrimateAI
Benign
0.46
T
PROVEAN
Pathogenic
-4.8
D
REVEL
Pathogenic
0.71
Sift
Benign
0.075
T
Sift4G
Uncertain
0.046
D
Vest4
0.91
MVP
0.75
ClinPred
0.98
D
GERP RS
3.0
Varity_R
0.33
gMVP
0.75
Mutation Taster
=88/12
polymorphism

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: rs375686495; hg19: chr17-61949514; API