rs710448
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Variant summary
Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_StrongBA1
The NM_001102416.3(KNG1):c.930+2422A>G variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.373 in 152,098 control chromosomes in the GnomAD database, including 10,686 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.
Frequency
Genomes: 𝑓 0.37 ( 10686 hom., cov: 32)
Consequence
KNG1
NM_001102416.3 intron
NM_001102416.3 intron
Scores
2
Clinical Significance
Not reported in ClinVar
Conservation
PhyloP100: 2.12
Genes affected
KNG1 (HGNC:6383): (kininogen 1) This gene uses alternative splicing to generate two different proteins- high molecular weight kininogen (HMWK) and low molecular weight kininogen (LMWK). HMWK is essential for blood coagulation and assembly of the kallikrein-kinin system. Also, bradykinin, a peptide causing numerous physiological effects, is released from HMWK. Bradykinin also functions as an antimicrobial peptide with antibacterial and antifungal activity. In contrast to HMWK, LMWK is not involved in blood coagulation. Infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) reduces or depletes angiotensin converting enzyme 2 (ACE2), which results in an increase in levels of des-Arg(9)-bradykinin, a bioactive metabolite of bradykinin that is associated with lung injury and inflammation. Three transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Sep 2020]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -12 ACMG points.
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.87).
BA1
?
GnomAd4 highest subpopulation (SAS) allele frequency at 95% confidence interval = 0.462 is higher than 0.05.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
KNG1 | NM_001102416.3 | c.930+2422A>G | intron_variant | ENST00000644859.2 | |||
KNG1 | NM_000893.4 | c.930+2422A>G | intron_variant | ||||
KNG1 | NM_001166451.2 | c.822+2422A>G | intron_variant |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
KNG1 | ENST00000644859.2 | c.930+2422A>G | intron_variant | NM_001102416.3 | |||||
HRG-AS1 | ENST00000630178.2 | n.135+8607T>C | intron_variant, non_coding_transcript_variant | 5 |
Frequencies
GnomAD3 genomes ? AF: 0.373 AC: 56668AN: 151980Hom.: 10685 Cov.: 32
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We have no GnomAD4 exomes data on this position. Probably position not covered by the project.
GnomAD4 genome ? AF: 0.373 AC: 56708AN: 152098Hom.: 10686 Cov.: 32 AF XY: 0.371 AC XY: 27544AN XY: 74338
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1451
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3478
ClinVar
Not reported inComputational scores
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Name
Calibrated prediction
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Prediction
BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at