rs17740607

Variant summary

Our verdict is Benign. The variant received -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1

The NM_002112.4(HDC):​c.92C>T​(p.Thr31Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0941 in 1,613,916 control chromosomes in the GnomAD database, including 7,909 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.078 ( 652 hom., cov: 32)
Exomes 𝑓: 0.096 ( 7257 hom. )

Consequence

HDC
NM_002112.4 missense

Scores

2
16

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: 1.28

Publications

32 publications found
Variant links:
Genes affected
HDC (HGNC:4855): (histidine decarboxylase) This gene encodes a member of the group II decarboxylase family and forms a homodimer that converts L-histidine to histamine in a pyridoxal phosphate dependent manner. Histamine regulates several physiologic processes, including neurotransmission, gastric acid secretion,inflamation, and smooth muscle tone.[provided by RefSeq, Aug 2010]
HDC Gene-Disease associations (from GenCC):
  • Tourette syndrome
    Inheritance: Unknown, AD Classification: LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Ambry Genetics

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -20 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.0017606616).
BP6
Variant 15-50263347-G-A is Benign according to our data. Variant chr15-50263347-G-A is described in ClinVar as Benign. ClinVar VariationId is 1227379.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BA1
GnomAd4 highest subpopulation (NFE) allele frequency at 95% confidence interval = 0.106 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
HDCNM_002112.4 linkc.92C>T p.Thr31Met missense_variant Exon 2 of 12 ENST00000267845.8 NP_002103.2 P19113-1

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
HDCENST00000267845.8 linkc.92C>T p.Thr31Met missense_variant Exon 2 of 12 1 NM_002112.4 ENSP00000267845.3 P19113-1

Frequencies

GnomAD3 genomes
AF:
0.0785
AC:
11950
AN:
152144
Hom.:
654
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0193
Gnomad AMI
AF:
0.111
Gnomad AMR
AF:
0.0878
Gnomad ASJ
AF:
0.118
Gnomad EAS
AF:
0.0477
Gnomad SAS
AF:
0.0366
Gnomad FIN
AF:
0.123
Gnomad MID
AF:
0.108
Gnomad NFE
AF:
0.108
Gnomad OTH
AF:
0.0845
GnomAD2 exomes
AF:
0.0852
AC:
21397
AN:
251182
AF XY:
0.0858
show subpopulations
Gnomad AFR exome
AF:
0.0175
Gnomad AMR exome
AF:
0.0659
Gnomad ASJ exome
AF:
0.112
Gnomad EAS exome
AF:
0.0571
Gnomad FIN exome
AF:
0.121
Gnomad NFE exome
AF:
0.108
Gnomad OTH exome
AF:
0.0916
GnomAD4 exome
AF:
0.0958
AC:
139958
AN:
1461654
Hom.:
7257
Cov.:
33
AF XY:
0.0949
AC XY:
69034
AN XY:
727158
show subpopulations
African (AFR)
AF:
0.0167
AC:
560
AN:
33476
American (AMR)
AF:
0.0684
AC:
3058
AN:
44722
Ashkenazi Jewish (ASJ)
AF:
0.113
AC:
2963
AN:
26136
East Asian (EAS)
AF:
0.0344
AC:
1365
AN:
39700
South Asian (SAS)
AF:
0.0400
AC:
3448
AN:
86256
European-Finnish (FIN)
AF:
0.116
AC:
6208
AN:
53360
Middle Eastern (MID)
AF:
0.115
AC:
666
AN:
5768
European-Non Finnish (NFE)
AF:
0.105
AC:
116234
AN:
1111844
Other (OTH)
AF:
0.0903
AC:
5456
AN:
60392
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.479
Heterozygous variant carriers
0
6890
13781
20671
27562
34452
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
4078
8156
12234
16312
20390
<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:
0.0785
AC:
11946
AN:
152262
Hom.:
652
Cov.:
32
AF XY:
0.0791
AC XY:
5887
AN XY:
74432
show subpopulations
African (AFR)
AF:
0.0193
AC:
801
AN:
41566
American (AMR)
AF:
0.0878
AC:
1342
AN:
15282
Ashkenazi Jewish (ASJ)
AF:
0.118
AC:
409
AN:
3472
East Asian (EAS)
AF:
0.0476
AC:
247
AN:
5186
South Asian (SAS)
AF:
0.0358
AC:
173
AN:
4828
European-Finnish (FIN)
AF:
0.123
AC:
1302
AN:
10588
Middle Eastern (MID)
AF:
0.109
AC:
32
AN:
294
European-Non Finnish (NFE)
AF:
0.108
AC:
7362
AN:
68020
Other (OTH)
AF:
0.0836
AC:
177
AN:
2116
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.502
Heterozygous variant carriers
0
573
1146
1719
2292
2865
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
142
284
426
568
710
<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:
0.0932
Hom.:
2288
Bravo
AF:
0.0724
TwinsUK
AF:
0.104
AC:
386
ALSPAC
AF:
0.102
AC:
392
ESP6500AA
AF:
0.0257
AC:
113
ESP6500EA
AF:
0.113
AC:
972
ExAC
AF:
0.0836
AC:
10146
Asia WGS
AF:
0.0370
AC:
129
AN:
3478
EpiCase
AF:
0.106
EpiControl
AF:
0.109

ClinVar

Significance: Benign
Submissions summary: Benign:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Oct 29, 2020
GeneDx
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant is associated with the following publications: (PMID: 25846768) -

-
Breakthrough Genomics, Breakthrough Genomics
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:not provided

- -

HDC-related disorder Benign:1
Oct 22, 2019
PreventionGenetics, part of Exact Sciences
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.079
BayesDel_addAF
Benign
-0.61
T
BayesDel_noAF
Benign
-0.53
CADD
Benign
18
DANN
Uncertain
0.99
DEOGEN2
Benign
0.15
T;.;.
Eigen
Benign
-0.037
Eigen_PC
Benign
-0.015
FATHMM_MKL
Benign
0.54
D
LIST_S2
Uncertain
0.97
D;D;D
MetaRNN
Benign
0.0018
T;T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
1.5
L;L;.
PhyloP100
1.3
PrimateAI
Benign
0.37
T
PROVEAN
Benign
0.15
N;N;N
REVEL
Benign
0.047
Sift
Benign
0.21
T;T;T
Sift4G
Benign
0.12
T;T;.
Polyphen
0.97
D;.;.
Vest4
0.31
MPC
0.43
ClinPred
0.011
T
GERP RS
3.0
PromoterAI
-0.028
Neutral
Varity_R
0.053
gMVP
0.75
Mutation Taster
=99/1
polymorphism (auto)

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: rs17740607; hg19: chr15-50555544; COSMIC: COSV51070309; COSMIC: COSV51070309; API