chr12-49641986-G-A
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Variant summary
Our verdict is Benign. Variant got -8 ACMG points: 0P and 8B. BP4_StrongBS2
The NM_001031698.3(PRPF40B):c.1846G>A(p.Ala616Thr) variant causes a missense change. The variant allele was found at a frequency of 0.0000124 in 1,613,458 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 0.000020 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000012 ( 0 hom. )
Consequence
PRPF40B
NM_001031698.3 missense
NM_001031698.3 missense
Scores
3
16
Clinical Significance
Conservation
PhyloP100: 6.31
Genes affected
PRPF40B (HGNC:25031): (pre-mRNA processing factor 40 homolog B) This gene encodes a WW-domain containing protein similar to yeast splicing factor PRP40. This protein has been shown to interact with Huntingtin and methyl CpG binding protein 2 (MeCP2). Alternative splicing results in different transcript variants. [provided by RefSeq, Aug 2014]
FMNL3 (HGNC:23698): (formin like 3) The protein encoded by this gene contains a formin homology 2 domain and has high sequence identity to the mouse Wbp3 protein. Two alternative transcripts encoding different isoforms have been described. [provided by RefSeq, Jul 2008]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -8 ACMG points.
BP4
Computational evidence support a benign effect (MetaRNN=0.029433548).
BS2
High AC in GnomAdExome4 at 17 AD gene.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
PRPF40B | NM_001031698.3 | c.1846G>A | p.Ala616Thr | missense_variant | 19/26 | ENST00000548825.7 | NP_001026868.2 | |
FMNL3 | NM_175736.5 | c.*3829C>T | 3_prime_UTR_variant | 26/26 | ENST00000335154.10 | NP_783863.4 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
PRPF40B | ENST00000548825.7 | c.1846G>A | p.Ala616Thr | missense_variant | 19/26 | 5 | NM_001031698.3 | ENSP00000448073 | P3 | |
FMNL3 | ENST00000335154.10 | c.*3829C>T | 3_prime_UTR_variant | 26/26 | 1 | NM_175736.5 | ENSP00000335655 |
Frequencies
GnomAD3 genomes AF: 0.0000197 AC: 3AN: 152186Hom.: 0 Cov.: 32
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GnomAD3 exomes AF: 0.0000120 AC: 3AN: 250802Hom.: 0 AF XY: 0.0000221 AC XY: 3AN XY: 135576
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GnomAD4 exome AF: 0.0000116 AC: 17AN: 1461272Hom.: 0 Cov.: 31 AF XY: 0.0000124 AC XY: 9AN XY: 726950
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GnomAD4 genome AF: 0.0000197 AC: 3AN: 152186Hom.: 0 Cov.: 32 AF XY: 0.0000134 AC XY: 1AN XY: 74352
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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 | Ambry Genetics | Jun 17, 2024 | The c.1780G>A (p.A594T) alteration is located in exon 18 (coding exon 18) of the PRPF40B gene. This alteration results from a G to A substitution at nucleotide position 1780, causing the alanine (A) at amino acid position 594 to be replaced by a threonine (T). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
BayesDel_addAF
Benign
T
BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
DEOGEN2
Benign
T;.;T
Eigen
Benign
Eigen_PC
Benign
FATHMM_MKL
Uncertain
D
LIST_S2
Uncertain
D;D;D
M_CAP
Benign
T
MetaRNN
Benign
T;T;T
MetaSVM
Benign
T
MutationAssessor
Benign
.;.;N
MutationTaster
Benign
D;D;D
PrimateAI
Uncertain
T
PROVEAN
Benign
.;N;N
REVEL
Benign
Sift
Benign
.;T;T
Sift4G
Benign
T;T;T
Polyphen
0.19, 0.12
.;B;B
Vest4
MVP
MPC
ClinPred
T
GERP RS
RBP_binding_hub_radar
RBP_regulation_power_radar
Varity_R
gMVP
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