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GeneBe

17-1745031-G-C

Variant summary

Our verdict is Likely benign. Variant got -1 ACMG points: 0P and 1B. BP4

The NM_000934.4(SERPINF2):c.36G>C(p.Trp12Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000192 in 1,613,520 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 31)
Exomes 𝑓: 0.000020 ( 0 hom. )

Consequence

SERPINF2
NM_000934.4 missense

Scores

5
12

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.563
Variant links:
Genes affected
SERPINF2 (HGNC:9075): (serpin family F member 2) This gene encodes a member of the serpin family of serine protease inhibitors. The protein is a major inhibitor of plasmin, which degrades fibrin and various other proteins. Consequently, the proper function of this gene has a major role in regulating the blood clotting pathway. Mutations in this gene result in alpha-2-plasmin inhibitor deficiency, which is characterized by severe hemorrhagic diathesis. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Sep 2009]

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ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -1 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.33770776).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
SERPINF2NM_000934.4 linkuse as main transcriptc.36G>C p.Trp12Cys missense_variant 2/10 ENST00000453066.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
SERPINF2ENST00000453066.6 linkuse as main transcriptc.36G>C p.Trp12Cys missense_variant 2/105 NM_000934.4 P1P08697-1

Frequencies

GnomAD3 genomes
AF:
0.0000132
AC:
2
AN:
152060
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.0000242
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:
0.0000160
AC:
4
AN:
250204
Hom.:
0
AF XY:
0.0000221
AC XY:
3
AN XY:
135556
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:
0.0000354
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000198
AC:
29
AN:
1461460
Hom.:
0
Cov.:
42
AF XY:
0.0000179
AC XY:
13
AN XY:
727014
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:
0.0000243
Gnomad4 OTH exome
AF:
0.0000331
GnomAD4 genome
AF:
0.0000132
AC:
2
AN:
152060
Hom.:
0
Cov.:
31
AF XY:
0.00
AC XY:
0
AN XY:
74260
show subpopulations
Gnomad4 AFR
AF:
0.0000242
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
Alfa
AF:
0.0000283
Hom.:
0
Bravo
AF:
0.00000756
ExAC
AF:
0.00000824
AC:
1
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsJan 03, 2022The c.36G>C (p.W12C) alteration is located in exon 2 (coding exon 1) of the SERPINF2 gene. This alteration results from a G to C substitution at nucleotide position 36, causing the tryptophan (W) at amino acid position 12 to be replaced by a cysteine (C). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.14
BayesDel_addAF
Uncertain
0.056
T
BayesDel_noAF
Benign
-0.14
Cadd
Benign
21
Dann
Benign
0.94
Eigen
Benign
-0.49
Eigen_PC
Benign
-0.39
FATHMM_MKL
Benign
0.44
N
LIST_S2
Benign
0.69
T;T;T;T;.
M_CAP
Uncertain
0.19
D
MetaRNN
Benign
0.34
T;T;T;T;T
MetaSVM
Benign
-0.57
T
MutationTaster
Benign
0.96
D;D;D
PrimateAI
Benign
0.31
T
PROVEAN
Benign
0.14
N;N;N;N;N
REVEL
Uncertain
0.36
Sift
Uncertain
0.012
D;D;D;D;D
Sift4G
Uncertain
0.019
D;D;D;D;D
Polyphen
0.55
.;P;.;.;P
Vest4
0.27, 0.33, 0.27
MutPred
0.71
Loss of catalytic residue at L10 (P = 0.004);Loss of catalytic residue at L10 (P = 0.004);Loss of catalytic residue at L10 (P = 0.004);Loss of catalytic residue at L10 (P = 0.004);Loss of catalytic residue at L10 (P = 0.004);
MVP
0.82
MPC
0.97
ClinPred
0.22
T
GERP RS
1.4
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.6
Varity_R
0.14
gMVP
0.39

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: rs767370481; hg19: chr17-1648325; API