rs975702095
Variant summary
Our verdict is Uncertain significance. Variant got 2 ACMG points: 3P and 1B. PM1PP2BP4
The NM_000430.4(PAFAH1B1):c.58C>A(p.Arg20Ser) variant causes a missense change involving the alteration of a conserved nucleotide. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R20H) has been classified as Uncertain significance.
Frequency
Genomes: not found (cov: 32)
Exomes 𝑓: 0.0 ( 0 hom. )
Failed GnomAD Quality Control
Consequence
PAFAH1B1
NM_000430.4 missense
NM_000430.4 missense
Scores
2
4
9
Clinical Significance
Conservation
PhyloP100: 7.50
Genes affected
PAFAH1B1 (HGNC:8574): (platelet activating factor acetylhydrolase 1b regulatory subunit 1) This locus was identified as encoding a gene that when mutated or lost caused the lissencephaly associated with Miller-Dieker lissencephaly syndrome. This gene encodes the non-catalytic alpha subunit of the intracellular Ib isoform of platelet-activating factor acteylhydrolase, a heterotrimeric enzyme that specifically catalyzes the removal of the acetyl group at the SN-2 position of platelet-activating factor (identified as 1-O-alkyl-2-acetyl-sn-glyceryl-3-phosphorylcholine). Two other isoforms of intracellular platelet-activating factor acetylhydrolase exist: one composed of multiple subunits, the other, a single subunit. In addition, a single-subunit isoform of this enzyme is found in serum. [provided by RefSeq, Apr 2009]
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ACMG classification
Classification made for transcript
Verdict is Uncertain_significance. Variant got 2 ACMG points.
PM1
?
In a region_of_interest Interaction with NDE1 (size 65) in uniprot entity LIS1_HUMAN there are 6 pathogenic changes around while only 0 benign (100%) in NM_000430.4
PP2
?
Missense variant where missense usually causes diseases, PAFAH1B1
BP4
?
Computational evidence support a benign effect (MetaRNN=0.35304815).
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
PAFAH1B1 | NM_000430.4 | c.58C>A | p.Arg20Ser | missense_variant | 3/11 | ENST00000397195.10 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
PAFAH1B1 | ENST00000397195.10 | c.58C>A | p.Arg20Ser | missense_variant | 3/11 | 1 | NM_000430.4 | P1 |
Frequencies
GnomAD3 genomes ? Cov.: 32
GnomAD3 genomes
?
Cov.:
32
GnomAD4 exome Data not reliable, filtered out with message: AC0 AF: 0.00 AC: 0AN: 1454248Hom.: 0 Cov.: 28 AF XY: 0.00 AC XY: 0AN XY: 723946
GnomAD4 exome
Data not reliable, filtered out with message: AC0
AF:
AC:
0
AN:
1454248
Hom.:
Cov.:
28
AF XY:
AC XY:
0
AN XY:
723946
Gnomad4 AFR exome
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GnomAD4 genome ? Cov.: 32
GnomAD4 genome
?
Cov.:
32
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 submitter | clinical testing | Genetic Services Laboratory, University of Chicago | Feb 10, 2016 | - - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
BayesDel_addAF
Uncertain
D
BayesDel_noAF
Uncertain
Cadd
Uncertain
Dann
Benign
DEOGEN2
Benign
T;T
Eigen
Benign
Eigen_PC
Benign
FATHMM_MKL
Pathogenic
D
LIST_S2
Uncertain
D;D
M_CAP
Benign
D
MetaRNN
Benign
T;T
MetaSVM
Benign
T
MutationTaster
Benign
D;D
PrimateAI
Pathogenic
D
Sift4G
Benign
T;T
Polyphen
0.023
.;B
Vest4
0.79
MutPred
Loss of helix (P = 0.0376);Loss of helix (P = 0.0376);
MVP
MPC
1.3
ClinPred
D
GERP RS
Varity_R
gMVP
Splicing
Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at