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rs104894271

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PM5

The NM_000315.4(PTH):c.52T>G(p.Cys18Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000124 in 1,613,966 control chromosomes in the GnomAD database, with no homozygous occurrence. 12/20 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. C18R) has been classified as Pathogenic.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

PTH
NM_000315.4 missense

Scores

4
14

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.14
Variant links:
Genes affected
PTH (HGNC:9606): (parathyroid hormone) This gene encodes a member of the parathyroid family of proteins. The encoded preproprotein is proteolytically processed to generate a protein that binds to the parathyroid hormone/parathyroid hormone-related peptide receptor and regulates blood calcium and phosphate levels. Excess production of the encoded protein, known as hyperparathyroidism, can result in hypercalcemia and kidney stones. On the other hand, defective processing of the encoded protein may lead to hypoparathyroidism, which can result in hypocalcemia and numbness. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Oct 2015]

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PM5
Other missense variant is known to change same aminoacid residue: Variant chr11-13492804-A-G is described in ClinVar as [Pathogenic]. Clinvar id is 13756.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
PTHNM_000315.4 linkuse as main transcriptc.52T>G p.Cys18Gly missense_variant 2/3 ENST00000282091.6
PTHNM_001316352.2 linkuse as main transcriptc.148T>G p.Cys50Gly missense_variant 2/3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
PTHENST00000282091.6 linkuse as main transcriptc.52T>G p.Cys18Gly missense_variant 2/31 NM_000315.4 P1
PTHENST00000529816.1 linkuse as main transcriptc.52T>G p.Cys18Gly missense_variant 2/35 P1

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152230
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
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
GnomAD4 exome
AF:
6.84e-7
AC:
1
AN:
1461736
Hom.:
0
Cov.:
36
AF XY:
0.00
AC XY:
0
AN XY:
727170
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
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:
8.99e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152230
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74376
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000654
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
Bravo
AF:
0.00000378
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.13
BayesDel_addAF
Benign
0.00016
T
BayesDel_noAF
Benign
-0.24
Cadd
Benign
19
Dann
Benign
0.93
DEOGEN2
Uncertain
0.75
D;D
Eigen
Benign
-0.27
Eigen_PC
Benign
-0.14
FATHMM_MKL
Benign
0.31
N
M_CAP
Benign
0.022
T
MetaRNN
Uncertain
0.71
D;D
MetaSVM
Benign
-0.44
T
MutationAssessor
Benign
1.9
L;L
MutationTaster
Benign
0.71
N;N
PrimateAI
Benign
0.33
T
PROVEAN
Uncertain
-2.8
D;D
REVEL
Uncertain
0.32
Sift
Benign
0.16
T;T
Sift4G
Benign
0.34
T;T
Polyphen
0.0010
B;B
Vest4
0.48
MutPred
0.77
Loss of stability (P = 0.0082);Loss of stability (P = 0.0082);
MVP
0.92
MPC
0.33
ClinPred
0.12
T
GERP RS
4.8
Varity_R
0.21
gMVP
0.43

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: rs104894271; hg19: chr11-13514351; API