12-71941585-T-G

Variant summary

Our verdict is Benign. Variant got -8 ACMG points: 0P and 8B. BP4_StrongBS2

The NM_173353.4(TPH2):ā€‹c.107T>Gā€‹(p.Leu36Arg) variant causes a missense, splice region change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000149 in 1,613,658 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/23 in silico tools predict a benign outcome for this variant. 3/3 splice prediction tools predict no significant impact on normal splicing. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: š‘“ 0.0000066 ( 0 hom., cov: 32)
Exomes š‘“: 0.000016 ( 0 hom. )

Consequence

TPH2
NM_173353.4 missense, splice_region

Scores

5
14
Splicing: ADA: 0.0002002
2

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.894
Variant links:
Genes affected
TPH2 (HGNC:20692): (tryptophan hydroxylase 2) This gene encodes a member of the pterin-dependent aromatic acid hydroxylase family. The encoded protein catalyzes the first and rate limiting step in the biosynthesis of serotonin, an important hormone and neurotransmitter. Mutations in this gene may be associated with psychiatric diseases such as bipolar affective disorder and major depression. [provided by RefSeq, Feb 2016]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -8 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.042120308).
BS2
High AC in GnomAdExome4 at 23 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
TPH2NM_173353.4 linkc.107T>G p.Leu36Arg missense_variant, splice_region_variant Exon 2 of 11 ENST00000333850.4 NP_775489.2 Q8IWU9-1
TPH2XR_001748575.2 linkn.249T>G splice_region_variant, non_coding_transcript_exon_variant Exon 2 of 7

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
TPH2ENST00000333850.4 linkc.107T>G p.Leu36Arg missense_variant, splice_region_variant Exon 2 of 11 1 NM_173353.4 ENSP00000329093.3 Q8IWU9-1
TPH2ENST00000546576.1 linkn.117T>G splice_region_variant, non_coding_transcript_exon_variant Exon 2 of 7 5

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152094
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
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:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000797
AC:
2
AN:
250796
Hom.:
0
AF XY:
0.0000148
AC XY:
2
AN XY:
135558
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 SAS 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:
0.0000157
AC:
23
AN:
1461564
Hom.:
0
Cov.:
31
AF XY:
0.0000151
AC XY:
11
AN XY:
727078
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:
0.0000198
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152094
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74292
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000756
TwinsUK
AF:
0.000539
AC:
2
ALSPAC
AF:
0.00
AC:
0
ExAC
AF:
0.00000824
AC:
1

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.075
BayesDel_addAF
Uncertain
0.030
T
BayesDel_noAF
Benign
-0.18
CADD
Benign
16
DANN
Uncertain
0.98
DEOGEN2
Benign
0.081
T
Eigen
Benign
-0.79
Eigen_PC
Benign
-0.71
FATHMM_MKL
Benign
0.38
N
LIST_S2
Benign
0.45
T
M_CAP
Benign
0.075
D
MetaRNN
Benign
0.042
T
MetaSVM
Uncertain
0.56
D
MutationAssessor
Benign
1.4
L
PrimateAI
Benign
0.38
T
PROVEAN
Benign
-1.2
N
REVEL
Uncertain
0.36
Sift
Uncertain
0.010
D
Sift4G
Benign
0.56
T
Polyphen
0.013
B
Vest4
0.22
MutPred
0.35
Gain of catalytic residue at L36 (P = 0.0112);
MVP
0.10
MPC
0.48
ClinPred
0.12
T
GERP RS
-0.72
Varity_R
0.11
gMVP
0.68

Splicing

Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
0.00020
dbscSNV1_RF
Benign
0.034
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: rs199775778; hg19: chr12-72335365; API