M-14751-C-T

Position:

Variant summary

Our verdict is Benign. Variant got -7 ACMG points: 0P and 7B. BP4BP6_ModerateBS2

The ENST00000361789.2(MT-CYB):​c.5C>T​(p.Thr2Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. In-silico tool predicts a benign outcome for this variant. 4/4 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Mitomap GenBank:
𝑓 0.00080 ( AC: 46 )

Consequence

MT-CYB
ENST00000361789.2 missense

Scores

Apogee2
Benign
0.046

Clinical Significance

Benign criteria provided, single submitter B:1
No linked disesase in Mitomap

Conservation

PhyloP100: 1.48
Variant links:
Genes affected
MT-CYB (HGNC:7427): (mitochondrially encoded cytochrome b) Predicted to enable metal ion binding activity. Predicted to be involved in several processes, including electron transport coupled proton transport; response to cobalamin; and response to glucagon. Located in mitochondrion. Implicated in ovarian carcinoma and urinary bladder cancer. [provided by Alliance of Genome Resources, Apr 2022]
MT-TE (HGNC:7479): (mitochondrially encoded tRNA glutamic acid)

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -7 ACMG points.

BP4
Apogee2 supports a benign effect, 0.045911513 < 0.5 .
BP6
Variant M-14751-C-T is Benign according to our data. Variant chrM-14751-C-T is described in ClinVar as [Benign]. Clinvar id is 693756.Status of the report is criteria_provided_single_submitter, 1 stars.
BS2
High AC in GnomadMitoHomoplasmic at 24

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CYTBCYTB.1 use as main transcriptc.5C>T p.Thr2Ile missense_variant 1/1
TRNETRNE.1 use as main transcript upstream_gene_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MT-CYBENST00000361789.2 linkuse as main transcriptc.5C>T p.Thr2Ile missense_variant 1/1 P1
MT-TEENST00000387459.1 linkuse as main transcript upstream_gene_variant

Frequencies

GnomAD4 exome
Cov.:
0
We have no GnomAD4 genomes data on this position. Probably position not covered by the project.
Mitomap GenBank
AF:
0.00080
AC:
46
Gnomad homoplasmic
AF:
0.00043
AC:
24
AN:
56432
Gnomad heteroplasmic
AF:
0.0
AC:
0
AN:
56432
Alfa
AF:
0.00111
Hom.:
5

Mitomap

No disease associated.

ClinVar

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

Submissions by phenotype

Leigh syndrome Benign:1
Benign, criteria provided, single submitterclinical testingWong Mito Lab, Molecular and Human Genetics, Baylor College of MedicineOct 17, 2019The NC_012920.1:m.14751C>T (YP_003024038.1:p.Thr2Ile) variant in MTCYB gene is interpretated to be a Benign variant based on the modified ACMG guidelines (unpublished). This variant meets the following evidence codes: BS1, BS2, BP4 -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
Apogee2
Benign
0.046
Hmtvar
Benign
0.27
AlphaMissense
Benign
0.11

Splicing

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: rs1603224855; hg19: chrM-14752; API