NM_198510.3:c.3550A>G

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_198510.3(ITIH6):​c.3550A>G​(p.Arg1184Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000331 in 1,210,000 control chromosomes in the GnomAD database, with no homozygous occurrence. There are no hemizygote samples in GnomAD. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000089 ( 0 hom., 0 hem., cov: 23)
Exomes 𝑓: 0.0000027 ( 0 hom. 0 hem. )

Consequence

ITIH6
NM_198510.3 missense

Scores

1
15

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.720

Publications

0 publications found
Variant links:
Genes affected
ITIH6 (HGNC:28907): (inter-alpha-trypsin inhibitor heavy chain family member 6) The protein encoded by this gene belongs to the interalpha trypsin inhibitor heavy chain (ITIH) family. Interalpha trypsin inhibitor (ITI) is composed of two heavy chains (containing VWA domain) and one light chain. The light chain confers the protease-inhibitor function, while the heavy chains are involved in mediating protein-protein interactions with the components of the extracellular matrix. [provided by RefSeq, Sep 2009]

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.076015174).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_198510.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
ITIH6
NM_198510.3
MANE Select
c.3550A>Gp.Arg1184Gly
missense
Exon 12 of 13NP_940912.1Q6UXX5

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
ITIH6
ENST00000218436.7
TSL:1 MANE Select
c.3550A>Gp.Arg1184Gly
missense
Exon 12 of 13ENSP00000218436.6Q6UXX5

Frequencies

GnomAD3 genomes
AF:
0.00000891
AC:
1
AN:
112227
Hom.:
0
Cov.:
23
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:
0.0000188
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000110
AC:
2
AN:
181104
AF XY:
0.00
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:
0.0000248
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000273
AC:
3
AN:
1097773
Hom.:
0
Cov.:
31
AF XY:
0.00
AC XY:
0
AN XY:
363133
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
26399
American (AMR)
AF:
0.00
AC:
0
AN:
35179
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
19377
East Asian (EAS)
AF:
0.00
AC:
0
AN:
30203
South Asian (SAS)
AF:
0.00
AC:
0
AN:
54037
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
40512
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
4136
European-Non Finnish (NFE)
AF:
0.00000356
AC:
3
AN:
841852
Other (OTH)
AF:
0.00
AC:
0
AN:
46078
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.575
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
GnomAD4 genome
AF:
0.00000891
AC:
1
AN:
112227
Hom.:
0
Cov.:
23
AF XY:
0.00
AC XY:
0
AN XY:
34411
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
30923
American (AMR)
AF:
0.00
AC:
0
AN:
10661
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
2643
East Asian (EAS)
AF:
0.00
AC:
0
AN:
3545
South Asian (SAS)
AF:
0.00
AC:
0
AN:
2691
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
6127
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
240
European-Non Finnish (NFE)
AF:
0.0000188
AC:
1
AN:
53202
Other (OTH)
AF:
0.00
AC:
0
AN:
1509
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.525
Heterozygous variant carriers
0
0
1
1
2
2
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:
0.0000712
Hom.:
0
Bravo
AF:
0.00000378
ExAC
AF:
0.0000165
AC:
2

ClinVar

ClinVar submissions
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
0.14
BayesDel_addAF
Benign
-0.35
T
BayesDel_noAF
Benign
-0.69
CADD
Benign
14
DANN
Benign
0.97
DEOGEN2
Benign
0.0030
T
FATHMM_MKL
Benign
0.035
N
LIST_S2
Benign
0.51
T
M_CAP
Benign
0.0060
T
MetaRNN
Benign
0.076
T
MetaSVM
Benign
-0.99
T
MutationAssessor
Benign
0.81
L
PhyloP100
0.72
PrimateAI
Benign
0.33
T
PROVEAN
Benign
-1.9
N
REVEL
Benign
0.089
Sift
Benign
0.24
T
Sift4G
Uncertain
0.010
D
Polyphen
0.0050
B
Vest4
0.22
MutPred
0.48
Gain of catalytic residue at Q1186 (P = 0.0339)
MVP
0.11
MPC
0.014
ClinPred
0.082
T
GERP RS
2.4
Varity_R
0.18
gMVP
0.71
Mutation Taster
=98/2
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: rs781696686; hg19: chrX-54777616; COSMIC: COSV54490898; API