Menu
GeneBe

2-171522718-T-G

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM1PM2PP3_Moderate

The NM_024843.4(CYBRD1):c.173T>G(p.Phe58Cys) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.00000682 in 1,613,300 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 Uncertain significance (★).

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000068 ( 0 hom. )

Consequence

CYBRD1
NM_024843.4 missense

Scores

5
12
2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.22
Variant links:
Genes affected
CYBRD1 (HGNC:20797): (cytochrome b reductase 1) This gene is a member of the cytochrome b(561) family that encodes an iron-regulated protein. It highly expressed in the duodenal brush border membrane. It has ferric reductase activity and is believed to play a physiological role in dietary iron absorption. [provided by RefSeq, Jul 2008]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

PM1
In a mutagenesis_site Decreased transmembrane ascorbate ferrireductase activity. (size 0) in uniprot entity CYBR1_HUMAN
PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.886

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CYBRD1NM_024843.4 linkuse as main transcriptc.173T>G p.Phe58Cys missense_variant 1/4 ENST00000321348.9
CYBRD1NM_001127383.2 linkuse as main transcriptc.173T>G p.Phe58Cys missense_variant 1/3
CYBRD1NM_001256909.2 linkuse as main transcriptc.19+427T>G intron_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CYBRD1ENST00000321348.9 linkuse as main transcriptc.173T>G p.Phe58Cys missense_variant 1/41 NM_024843.4 P1Q53TN4-1

Frequencies

GnomAD3 genomes
AF:
0.00000658
AC:
1
AN:
152072
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.000478
GnomAD4 exome
AF:
0.00000684
AC:
10
AN:
1461228
Hom.:
0
Cov.:
33
AF XY:
0.00000826
AC XY:
6
AN XY:
726818
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:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000809
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.00000658
AC:
1
AN:
152072
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74300
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.000478
Bravo
AF:
0.00000378
EpiCase
AF:
0.0000545
EpiControl
AF:
0.00

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 submitterclinical testingAmbry GeneticsApr 12, 2023The c.173T>G (p.F58C) alteration is located in exon 1 (coding exon 1) of the CYBRD1 gene. This alteration results from a T to G substitution at nucleotide position 173, causing the phenylalanine (F) at amino acid position 58 to be replaced by a cysteine (C). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.78
BayesDel_addAF
Pathogenic
0.33
D
BayesDel_noAF
Pathogenic
0.24
Cadd
Pathogenic
32
Dann
Uncertain
0.99
DEOGEN2
Uncertain
0.62
D;.
Eigen
Uncertain
0.68
Eigen_PC
Uncertain
0.54
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Benign
0.83
T;D
M_CAP
Uncertain
0.28
D
MetaRNN
Pathogenic
0.89
D;D
MetaSVM
Uncertain
0.017
D
MutationAssessor
Pathogenic
3.5
M;M
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Uncertain
0.69
T
PROVEAN
Uncertain
-3.5
D;D
REVEL
Uncertain
0.53
Sift
Uncertain
0.0030
D;D
Sift4G
Uncertain
0.0060
D;D
Polyphen
1.0
D;D
Vest4
0.85
MVP
0.66
MPC
1.5
ClinPred
0.99
D
GERP RS
4.8
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.94
gMVP
0.90

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: rs1384197020; hg19: chr2-172379228; COSMIC: COSV58428873; COSMIC: COSV58428873; API