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GeneBe

22-42619833-G-A

Variant summary

Our verdict is Benign. Variant got -7 ACMG points: 0P and 7B. BP4_StrongBP6_ModerateBP7

The NM_000398.7(CYB5R3):c.846C>T(p.Tyr282=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000233 in 1,603,664 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.00018 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00024 ( 2 hom. )

Consequence

CYB5R3
NM_000398.7 synonymous

Scores

2

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: -1.37
Variant links:
Genes affected
CYB5R3 (HGNC:2873): (cytochrome b5 reductase 3) This gene encodes cytochrome b5 reductase, which includes a membrane-bound form in somatic cells (anchored in the endoplasmic reticulum, mitochondrial and other membranes) and a soluble form in erythrocytes. The membrane-bound form exists mainly on the cytoplasmic side of the endoplasmic reticulum and functions in desaturation and elongation of fatty acids, in cholesterol biosynthesis, and in drug metabolism. The erythrocyte form is located in a soluble fraction of circulating erythrocytes and is involved in methemoglobin reduction. The membrane-bound form has both membrane-binding and catalytic domains, while the soluble form has only the catalytic domain. Alternate splicing results in multiple transcript variants. Mutations in this gene cause methemoglobinemias. [provided by RefSeq, Jan 2010]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -7 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.74).
BP6
Variant 22-42619833-G-A is Benign according to our data. Variant chr22-42619833-G-A is described in ClinVar as [Benign]. Clinvar id is 2916244.Status of the report is criteria_provided_single_submitter, 1 stars.
BP7
Synonymous conserved (PhyloP=-1.37 with no splicing effect.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CYB5R3NM_000398.7 linkuse as main transcriptc.846C>T p.Tyr282= synonymous_variant 9/9 ENST00000352397.10

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CYB5R3ENST00000352397.10 linkuse as main transcriptc.846C>T p.Tyr282= synonymous_variant 9/91 NM_000398.7 P3P00387-1

Frequencies

GnomAD3 genomes
AF:
0.000177
AC:
27
AN:
152180
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00547
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000103
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000378
AC:
87
AN:
230266
Hom.:
1
AF XY:
0.000450
AC XY:
56
AN XY:
124452
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00679
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.000141
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000153
Gnomad OTH exome
AF:
0.000354
GnomAD4 exome
AF:
0.000239
AC:
347
AN:
1451484
Hom.:
2
Cov.:
32
AF XY:
0.000262
AC XY:
189
AN XY:
721002
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00716
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000711
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000108
Gnomad4 OTH exome
AF:
0.000599
GnomAD4 genome
AF:
0.000177
AC:
27
AN:
152180
Hom.:
0
Cov.:
33
AF XY:
0.000202
AC XY:
15
AN XY:
74334
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00547
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000103
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000618
Hom.:
0
Bravo
AF:
0.000261

ClinVar

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

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeOct 17, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.74
Cadd
Benign
0.86
Dann
Benign
0.92

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: rs141804743; hg19: chr22-43015839; API