rs137853024

Variant summary

Our verdict is Likely pathogenic. Variant got 9 ACMG points: 9P and 0B. PM2PM5PP3_StrongPP5

The NM_001139.3(ALOX12B):​c.1734C>A​(p.His578Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000274 in 1,461,836 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. H578Y) has been classified as Pathogenic.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 0.0000027 ( 0 hom. )

Consequence

ALOX12B
NM_001139.3 missense

Scores

11
4
4

Clinical Significance

Pathogenic no assertion criteria provided P:2

Conservation

PhyloP100: -0.926
Variant links:
Genes affected
ALOX12B (HGNC:430): (arachidonate 12-lipoxygenase, 12R type) This gene encodes an enzyme involved in the conversion of arachidonic acid to 12R-hydroxyeicosatetraenoic acid. Mutations in this gene are associated with nonbullous congenital ichthyosiform erythroderma. [provided by RefSeq, Sep 2015]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 9 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PM5
Other missense variant is known to change same aminoacid residue: Variant chr17-8073680-G-A is described in ClinVar as [Pathogenic]. Clinvar id is 995724.Status of the report is no_assertion_criteria_provided, 0 stars.
PP3
MetaRNN computational evidence supports a deleterious effect, 0.987
PP5
Variant 17-8073678-G-T is Pathogenic according to our data. Variant chr17-8073678-G-T is described in ClinVar as [Pathogenic]. Clinvar id is 6084.Status of the report is no_assertion_criteria_provided, 0 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
ALOX12BNM_001139.3 linkuse as main transcriptc.1734C>A p.His578Gln missense_variant 13/15 ENST00000647874.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
ALOX12BENST00000647874.1 linkuse as main transcriptc.1734C>A p.His578Gln missense_variant 13/15 NM_001139.3 P1
ALOX12BENST00000649809.1 linkuse as main transcriptc.798C>A p.His266Gln missense_variant 6/8
ALOX12BENST00000650441.1 linkuse as main transcriptn.157C>A non_coding_transcript_exon_variant 2/4
ALOX12BENST00000577351.5 linkuse as main transcriptn.480-360C>A intron_variant, non_coding_transcript_variant 5

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251390
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135882
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:
0.00000880
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000274
AC:
4
AN:
1461836
Hom.:
0
Cov.:
33
AF XY:
0.00000275
AC XY:
2
AN XY:
727216
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:
0.00000360
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32
ExAC
AF:
0.0000165
AC:
2
EpiCase
AF:
0.00
EpiControl
AF:
0.000119

ClinVar

Significance: Pathogenic
Submissions summary: Pathogenic:2
Revision: no assertion criteria provided
LINK: link

Submissions by phenotype

Autosomal recessive congenital ichthyosis 2 Pathogenic:2
Pathogenic, no assertion criteria providedliterature onlyOMIMJan 01, 2002- -
Pathogenic, no assertion criteria providedclinical testingInstitute for Human Genetics, University Medical Center FreiburgJan 07, 2021- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.99
BayesDel_addAF
Pathogenic
0.47
D
BayesDel_noAF
Pathogenic
0.45
CADD
Benign
19
DANN
Uncertain
0.99
DEOGEN2
Pathogenic
0.93
D;D;.
Eigen
Benign
0.056
Eigen_PC
Benign
-0.16
FATHMM_MKL
Benign
0.31
N
LIST_S2
Uncertain
0.97
.;D;D
M_CAP
Pathogenic
0.81
D
MetaRNN
Pathogenic
0.99
D;D;D
MetaSVM
Pathogenic
1.1
D
MutationAssessor
Pathogenic
3.7
H;H;.
MutationTaster
Benign
1.0
A
PrimateAI
Uncertain
0.69
T
PROVEAN
Pathogenic
-8.0
D;.;.
REVEL
Pathogenic
0.89
Sift
Pathogenic
0.0
D;.;.
Sift4G
Uncertain
0.0020
D;.;.
Polyphen
1.0
D;D;.
Vest4
0.97
MutPred
0.98
Gain of methylation at K577 (P = 0.1287);Gain of methylation at K577 (P = 0.1287);.;
MVP
0.91
MPC
1.4
ClinPred
1.0
D
GERP RS
-1.1
Varity_R
0.97
gMVP
0.94

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: rs137853024; hg19: chr17-7976996; API