8-37762711-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 3 ACMG points: 4P and 1B. PM1PM2BP4

The NM_007198.4(PLPBP):​c.52C>T​(p.Arg18Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000348 in 1,437,760 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000035 ( 0 hom. )

Consequence

PLPBP
NM_007198.4 missense

Scores

8
10

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.51
Variant links:
Genes affected
PLPBP (HGNC:9457): (pyridoxal phosphate binding protein) This gene encodes a pyridoxal 5'-phosphate binding protein involved in the homeostatic regulation of intracellular pyridoxal 5'-phosphate. This gene has a tumor suppressive effect on hepatocellular carcinoma and other solid tumors of epithelial origin. Naturally occurring mutations in this gene are associated with a pyridoxine-dependent epilepsy. [provided by RefSeq, Mar 2017]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 3 ACMG points.

PM1
In a chain Pyridoxal phosphate homeostasis protein (size 274) in uniprot entity PLPHP_HUMAN there are 4 pathogenic changes around while only 1 benign (80%) in NM_007198.4
PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.4237123).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
PLPBPNM_007198.4 linkuse as main transcriptc.52C>T p.Arg18Trp missense_variant 1/8 ENST00000328195.8 NP_009129.1
LOC124901934XR_007060889.1 linkuse as main transcriptn.441G>A non_coding_transcript_exon_variant 2/2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
PLPBPENST00000328195.8 linkuse as main transcriptc.52C>T p.Arg18Trp missense_variant 1/81 NM_007198.4 ENSP00000333551 P1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.0000193
AC:
4
AN:
207358
Hom.:
0
AF XY:
0.0000177
AC XY:
2
AN XY:
112718
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000325
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.0000614
Gnomad SAS exome
AF:
0.0000367
Gnomad FIN exome
AF:
0.0000755
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000348
AC:
5
AN:
1437760
Hom.:
0
Cov.:
34
AF XY:
0.00000420
AC XY:
3
AN XY:
713802
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000240
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000256
Gnomad4 SAS exome
AF:
0.0000120
Gnomad4 FIN exome
AF:
0.0000439
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32

ClinVar

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

Submissions by phenotype

Epilepsy, early-onset, vitamin B6-dependent Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingBaylor GeneticsJul 25, 2018This variant was determined to be of uncertain significance according to ACMG Guidelines, 2015 [PMID:25741868]. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.29
BayesDel_addAF
Benign
-0.0050
T
BayesDel_noAF
Benign
-0.24
CADD
Uncertain
24
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.45
T;T
Eigen
Benign
-0.18
Eigen_PC
Benign
-0.16
FATHMM_MKL
Benign
0.54
D
LIST_S2
Uncertain
0.90
D;D
M_CAP
Uncertain
0.10
D
MetaRNN
Benign
0.42
T;T
MetaSVM
Benign
-0.85
T
MutationTaster
Benign
0.99
D
PrimateAI
Uncertain
0.66
T
PROVEAN
Uncertain
-4.4
D;D
REVEL
Benign
0.17
Sift
Uncertain
0.0010
D;D
Sift4G
Uncertain
0.037
D;T
Polyphen
0.086
B;.
Vest4
0.58
MutPred
0.50
Loss of disorder (P = 0.0038);Loss of disorder (P = 0.0038);
MVP
0.75
MPC
0.44
ClinPred
0.84
D
GERP RS
3.6
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.6
Varity_R
0.81
gMVP
0.52

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

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs1341738221; hg19: chr8-37620229; API