NM_000381.4:c.1266C>T

Variant names:

Variant summary

Our verdict is Benign. Variant got -19 ACMG points: 0P and 19B. BP4_ModerateBP6_Very_StrongBP7BS1BS2

The NM_000381.4(MID1):c.1266C>T(p.Thr422Thr) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00123 in 1,209,683 control chromosomes in the GnomAD database, including 15 homozygotes. There are 461 hemizygotes in GnomAD. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0014 ( 3 hom., 31 hem., cov: 23)

Exomes 𝑓: 0.0012 ( 12 hom. 430 hem. )

Consequence

MID1
NM_000381.4 synonymous

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:4

Conservation

PhyloP100: -0.255

Variant links:

Genes affected

MID1 (HGNC:7095): (midline 1) The protein encoded by this gene is a member of the tripartite motif (TRIM) family, also known as the 'RING-B box-coiled coil' (RBCC) subgroup of RING finger proteins. The TRIM motif includes three zinc-binding domains, a RING, a B-box type 1 and a B-box type 2, and a coiled-coil region. This protein forms homodimers which associate with microtubules in the cytoplasm. The protein is likely involved in the formation of multiprotein structures acting as anchor points to microtubules. Mutations in this gene have been associated with the X-linked form of Opitz syndrome, which is characterized by midline abnormalities such as cleft lip, laryngeal cleft, heart defects, hypospadias, and agenesis of the corpus callosum. This gene was also the first example of a gene subject to X inactivation in human while escaping it in mouse. Alternative promoter use, alternative splicing and alternative polyadenylation result in multiple transcript variants that have different tissue specificities. [provided by RefSeq, Dec 2016]

MID1 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -19 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.44).

BP6

Variant X-10469716-G-A is Benign according to our data. Variant chrX-10469716-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 198417.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=-0.255 with no splicing effect.

BS1

Variant frequency is greater than expected in population nfe. gnomad4 allele frequency = 0.00142 (159/111946) while in subpopulation NFE AF= 0.000545 (29/53225). AF 95% confidence interval is 0.00039. There are 3 homozygotes in gnomad4. There are 31 alleles in male gnomad4 subpopulation. Median coverage is 23. This position pass quality control queck.

BS2

High Homozygotes in GnomAd4 at 3 XL gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
MID1	NM_000381.4 link	c.1266C>T	p.Thr422Thr	synonymous_variant	Exon 7 of 10	ENST00000317552.9	NP_000372.1	O15344-1A0A024RBV4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
MID1	ENST00000317552.9 link	c.1266C>T	p.Thr422Thr	synonymous_variant	Exon 7 of 10	1	NM_000381.4	ENSP00000312678.4		O15344-1
MID1	ENST00000380782.6 link	c.1266C>T	p.Thr422Thr	synonymous_variant	Exon 7 of 10	1		ENSP00000370159.1		O15344-2

Frequencies

GnomAD3 genomes

AF:

0.00142

AC:

159

AN:

111893

Hom.:

Cov.:

AF XY:

0.000910

AC XY:

AN XY:

34069

show subpopulations

Gnomad AFR

AF:

0.0000650

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.0463

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000545

Gnomad OTH

AF:

0.00331

GnomAD3 exomes

AF:

0.00236

AC:

432

AN:

182817

Hom.:

AF XY:

0.00209

AC XY:

141

AN XY:

67541

show subpopulations

Gnomad AFR exome

AF:

0.0000760

Gnomad AMR exome

AF:

0.000110

Gnomad ASJ exome

AF:

0.0468

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.0000524

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.000762

Gnomad OTH exome

AF:

0.00355

GnomAD4 exome

AF:

0.00121

AC:

1324

AN:

1097737

Hom.:

Cov.:

AF XY:

0.00118

AC XY:

430

AN XY:

363175

show subpopulations

Gnomad4 AFR exome

AF:

0.0000758

Gnomad4 AMR exome

AF:

0.000114

Gnomad4 ASJ exome

AF:

0.0461

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000554

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.000321

Gnomad4 OTH exome

AF:

0.00328

GnomAD4 genome

AF:

0.00142

AC:

159

AN:

111946

Hom.:

Cov.:

AF XY:

0.000908

AC XY:

AN XY:

34132

show subpopulations

Gnomad4 AFR

AF:

0.0000649

Gnomad4 AMR

AF:

0.00

Gnomad4 ASJ

AF:

0.0463

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.000545

Gnomad4 OTH

AF:

0.00327

Alfa

AF:

0.00642

Hom.:

Bravo

AF:

0.00149

EpiCase

AF:

0.000819

EpiControl

AF:

0.00160

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:4

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

not provided

Benign:2

Breakthrough Genomics, Breakthrough Genomics

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: not provided

- -

Jan 23, 2025

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

not specified

Benign:1

Mar 09, 2015

Eurofins Ntd Llc (ga)

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Inborn genetic diseases

Benign:1

Mar 23, 2018

Ambry Genetics

Significance: Benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

This alteration is classified as benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.44

CADD

Benign

1.1

DANN

Benign

0.79

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over