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GeneBe

18-8783864-C-G

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_001395333.1(MTCL1):c.1832C>G(p.Pro611Arg) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00012 in 1,613,028 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P611L) has been classified as Likely benign.

Frequency

Genomes: 𝑓 0.000098 ( 0 hom., cov: 33)
Exomes 𝑓: 0.00012 ( 0 hom. )

Consequence

MTCL1
NM_001395333.1 missense

Scores

19

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.771
Variant links:
Genes affected
MTCL1 (HGNC:29121): (microtubule crosslinking factor 1) Enables microtubule binding activity. Predicted to be involved in establishment or maintenance of epithelial cell apical/basal polarity; microtubule bundle formation; and positive regulation of protein targeting to membrane. Located in midbody and spindle pole. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.021703392).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
MTCL1NM_001395333.1 linkuse as main transcriptc.1832C>G p.Pro611Arg missense_variant 5/15 ENST00000695636.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MTCL1ENST00000695636.1 linkuse as main transcriptc.1832C>G p.Pro611Arg missense_variant 5/15 NM_001395333.1 A2

Frequencies

GnomAD3 genomes
AF:
0.0000986
AC:
15
AN:
152172
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
Gnomad ASJ
AF:
0.000288
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.000162
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.0000925
AC:
23
AN:
248552
Hom.:
0
AF XY:
0.0000963
AC XY:
13
AN XY:
135056
show subpopulations
Gnomad AFR exome
AF:
0.0000636
Gnomad AMR exome
AF:
0.0000869
Gnomad ASJ exome
AF:
0.000300
Gnomad EAS exome
AF:
0.000164
Gnomad SAS exome
AF:
0.0000327
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.000107
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000123
AC:
179
AN:
1460738
Hom.:
0
Cov.:
91
AF XY:
0.000129
AC XY:
94
AN XY:
726658
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.0000671
Gnomad4 ASJ exome
AF:
0.000383
Gnomad4 EAS exome
AF:
0.000101
Gnomad4 SAS exome
AF:
0.0000580
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.000132
Gnomad4 OTH exome
AF:
0.000149
GnomAD4 genome
AF:
0.0000985
AC:
15
AN:
152290
Hom.:
0
Cov.:
33
AF XY:
0.0000537
AC XY:
4
AN XY:
74458
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.0000653
Gnomad4 ASJ
AF:
0.000288
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000162
Gnomad4 OTH
AF:
0.000473
Alfa
AF:
0.0000573
Hom.:
0
Bravo
AF:
0.000136
TwinsUK
AF:
0.000270
AC:
1
ALSPAC
AF:
0.000259
AC:
1
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000233
AC:
2
ExAC
AF:
0.0000742
AC:
9
EpiCase
AF:
0.000109
EpiControl
AF:
0.000178

ClinVar

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

Submissions by phenotype

Inborn genetic diseases Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsNov 05, 2021The c.752C>G (p.P251R) alteration is located in exon 6 (coding exon 4) of the MTCL1 gene. This alteration results from a C to G substitution at nucleotide position 752, causing the proline (P) at amino acid position 251 to be replaced by an arginine (R). 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
Benign
0.085
BayesDel_addAF
Benign
-0.47
T
BayesDel_noAF
Benign
-0.65
Cadd
Benign
6.9
Dann
Benign
0.71
DEOGEN2
Benign
0.032
T;.;.;.
Eigen
Benign
-1.4
Eigen_PC
Benign
-1.5
FATHMM_MKL
Benign
0.20
N
LIST_S2
Benign
0.53
T;T;.;T
M_CAP
Benign
0.0089
T
MetaRNN
Benign
0.022
T;T;T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
0.34
N;.;.;.
MutationTaster
Benign
1.0
N;N;N;N;N
PrimateAI
Benign
0.25
T
PROVEAN
Benign
0.31
N;N;N;N
REVEL
Benign
0.049
Sift
Benign
0.26
T;T;T;T
Sift4G
Benign
0.35
T;T;T;T
Polyphen
0.45
.;.;B;B
Vest4
0.27
MVP
0.055
MPC
0.13
ClinPred
0.026
T
GERP RS
-2.6
Varity_R
0.033
gMVP
0.40

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: rs140796802; hg19: chr18-8783862; API