6-119189847-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_005907.4(MAN1A1):​c.1363G>A​(p.Gly455Arg) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000192 in 1,613,870 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 0.000046 ( 0 hom., cov: 31)
Exomes 𝑓: 0.000016 ( 0 hom. )

Consequence

MAN1A1
NM_005907.4 missense

Scores

10
7
2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.91
Variant links:
Genes affected
MAN1A1 (HGNC:6821): (mannosidase alpha class 1A member 1) This gene encodes a class I mammalian Golgi 1,2-mannosidase which is a type II transmembrane protein. This protein catalyzes the hydrolysis of three terminal mannose residues from peptide-bound Man(9)-GlcNAc(2) oligosaccharides and belongs to family 47 of glycosyl hydrolases. [provided by RefSeq, Jul 2012]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.912

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
MAN1A1NM_005907.4 linkuse as main transcriptc.1363G>A p.Gly455Arg missense_variant 10/13 ENST00000368468.4 NP_005898.2
MAN1A1XM_005266986.5 linkuse as main transcriptc.1612G>A p.Gly538Arg missense_variant 10/13 XP_005267043.1
MAN1A1XM_011535833.3 linkuse as main transcriptc.796G>A p.Gly266Arg missense_variant 9/12 XP_011534135.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
MAN1A1ENST00000368468.4 linkuse as main transcriptc.1363G>A p.Gly455Arg missense_variant 10/132 NM_005907.4 ENSP00000357453 P1P33908-1

Frequencies

GnomAD3 genomes
AF:
0.0000460
AC:
7
AN:
152018
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.0000242
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000193
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000294
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.0000318
AC:
8
AN:
251314
Hom.:
0
AF XY:
0.0000442
AC XY:
6
AN XY:
135818
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000289
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000163
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000352
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000164
AC:
24
AN:
1461852
Hom.:
0
Cov.:
34
AF XY:
0.0000220
AC XY:
16
AN XY:
727230
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000224
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:
0.0000144
Gnomad4 OTH exome
AF:
0.0000662
GnomAD4 genome
AF:
0.0000460
AC:
7
AN:
152018
Hom.:
0
Cov.:
31
AF XY:
0.0000674
AC XY:
5
AN XY:
74238
show subpopulations
Gnomad4 AFR
AF:
0.0000242
Gnomad4 AMR
AF:
0.000131
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000193
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.000478
Alfa
AF:
0.000135
Hom.:
0
Bravo
AF:
0.0000831
ExAC
AF:
0.0000412
AC:
5
EpiCase
AF:
0.00
EpiControl
AF:
0.000119

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 GeneticsAug 17, 2021The c.1363G>A (p.G455R) alteration is located in exon 10 (coding exon 9) of the MAN1A1 gene. This alteration results from a G to A substitution at nucleotide position 1363, causing the glycine (G) at amino acid position 455 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
0.27
BayesDel_addAF
Pathogenic
0.25
D
BayesDel_noAF
Pathogenic
0.29
CADD
Pathogenic
28
DANN
Pathogenic
1.0
DEOGEN2
Uncertain
0.58
D
Eigen
Pathogenic
0.75
Eigen_PC
Uncertain
0.64
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Pathogenic
0.99
D
M_CAP
Uncertain
0.26
D
MetaRNN
Pathogenic
0.91
D
MetaSVM
Uncertain
0.23
D
MutationAssessor
Uncertain
2.7
M
MutationTaster
Benign
1.0
D
PrimateAI
Pathogenic
0.83
D
PROVEAN
Pathogenic
-6.9
D
REVEL
Pathogenic
0.70
Sift
Uncertain
0.0010
D
Sift4G
Uncertain
0.0030
D
Polyphen
1.0
D
Vest4
0.93
MutPred
0.69
Gain of MoRF binding (P = 0.0194);
MVP
0.73
MPC
1.5
ClinPred
0.99
D
GERP RS
5.5
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.72
gMVP
0.87

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.050
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: rs754857944; hg19: chr6-119511012; COSMIC: COSV63787073; API