rs748039841

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_ModerateBP6_Moderate

The NM_002218.5(ITIH4):​c.1226G>A​(p.Arg409Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000015 in 1,597,734 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 17/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R409W) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000016 ( 0 hom. )

Consequence

ITIH4
NM_002218.5 missense

Scores

18

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: -0.125

Publications

4 publications found
Variant links:
Genes affected
ITIH4 (HGNC:6169): (inter-alpha-trypsin inhibitor heavy chain 4) The protein encoded by this gene is secreted into the blood, where it is cleaved by plasma kallikrein into two smaller forms. Expression of this gene has been detected only in liver, and it seems to be upregulated during surgical trauma. This gene is part of a cluster of similar genes on chromosome 3. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Oct 2009]
ITIH4-AS1 (HGNC:40310): (ITIH4 antisense RNA 1)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.12020588).
BP6
Variant 3-52823950-C-T is Benign according to our data. Variant chr3-52823950-C-T is described in ClinVar as Likely_benign. ClinVar VariationId is 2509882.Status of the report is criteria_provided_single_submitter, 1 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_002218.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
ITIH4
NM_002218.5
MANE Select
c.1226G>Ap.Arg409Gln
missense
Exon 10 of 24NP_002209.2
ITIH4
NM_001166449.2
c.1226G>Ap.Arg409Gln
missense
Exon 10 of 22NP_001159921.1Q14624-3
ITIH4-AS1
NR_046615.1
n.16C>T
non_coding_transcript_exon
Exon 1 of 3

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
ITIH4
ENST00000266041.9
TSL:1 MANE Select
c.1226G>Ap.Arg409Gln
missense
Exon 10 of 24ENSP00000266041.4Q14624-1
ITIH4
ENST00000485816.5
TSL:1
c.1226G>Ap.Arg409Gln
missense
Exon 10 of 24ENSP00000417824.1B7ZKJ8
ITIH4
ENST00000441637.2
TSL:1
c.797G>Ap.Arg266Gln
missense
Exon 7 of 18ENSP00000395634.2H7C0L5

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152196
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
GnomAD2 exomes
AF:
0.0000257
AC:
6
AN:
233204
AF XY:
0.0000160
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000925
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.0000975
Gnomad NFE exome
AF:
0.00000943
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000159
AC:
23
AN:
1445538
Hom.:
0
Cov.:
32
AF XY:
0.0000153
AC XY:
11
AN XY:
717936
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33050
American (AMR)
AF:
0.0000701
AC:
3
AN:
42776
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
24624
East Asian (EAS)
AF:
0.0000252
AC:
1
AN:
39648
South Asian (SAS)
AF:
0.0000121
AC:
1
AN:
82760
European-Finnish (FIN)
AF:
0.000133
AC:
7
AN:
52552
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5668
European-Non Finnish (NFE)
AF:
0.00000634
AC:
7
AN:
1104812
Other (OTH)
AF:
0.0000671
AC:
4
AN:
59648
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.477
Heterozygous variant carriers
0
2
4
6
8
10
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:
0.00000657
AC:
1
AN:
152196
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74352
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41446
American (AMR)
AF:
0.00
AC:
0
AN:
15280
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5198
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4824
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10620
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.0000147
AC:
1
AN:
68036
Other (OTH)
AF:
0.00
AC:
0
AN:
2092
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
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:
0.0000607
Hom.:
0
Bravo
AF:
0.0000227
ExAC
AF:
0.0000412
AC:
5

ClinVar

ClinVar submissions
Significance:Likely benign
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
0.067
BayesDel_addAF
Benign
-0.30
T
BayesDel_noAF
Benign
-0.47
CADD
Benign
1.1
DANN
Benign
0.87
DEOGEN2
Benign
0.18
T
Eigen
Benign
-1.5
Eigen_PC
Benign
-1.5
FATHMM_MKL
Benign
0.0078
N
LIST_S2
Benign
0.73
T
M_CAP
Benign
0.048
D
MetaRNN
Benign
0.12
T
MetaSVM
Benign
-0.91
T
MutationAssessor
Benign
0.075
N
PhyloP100
-0.13
PrimateAI
Benign
0.21
T
PROVEAN
Benign
0.030
N
REVEL
Benign
0.21
Sift
Benign
0.70
T
Sift4G
Benign
0.64
T
Polyphen
0.0050
B
Vest4
0.21
MVP
0.46
MPC
0.32
ClinPred
0.030
T
GERP RS
-5.9
Varity_R
0.022
gMVP
0.30
Mutation Taster
=99/1
polymorphism

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.020
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: rs748039841; hg19: chr3-52857966; COSMIC: COSV99819357; COSMIC: COSV99819357; API