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GeneBe

1-25617963-C-G

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBA1

The NM_020379.4(MAN1C1):c.166C>G(p.Pro56Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00313 in 1,608,838 control chromosomes in the GnomAD database, including 143 homozygotes. In-silico tool predicts a benign outcome for this variant. 14/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★).

Frequency

Genomes: 𝑓 0.017 ( 68 hom., cov: 32)
Exomes 𝑓: 0.0017 ( 75 hom. )

Consequence

MAN1C1
NM_020379.4 missense

Scores

2
16

Clinical Significance

Benign criteria provided, single submitter B:1

Conservation

PhyloP100: 0.139
Variant links:
Genes affected
MAN1C1 (HGNC:19080): (mannosidase alpha class 1C member 1) Predicted to enable mannosyl-oligosaccharide 1,2-alpha-mannosidase activity. Predicted to be involved in N-glycan processing. Located in extracellular exosome. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -14 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.0016571283).
BP6
Variant 1-25617963-C-G is Benign according to our data. Variant chr1-25617963-C-G is described in ClinVar as [Benign]. Clinvar id is 782680.Status of the report is criteria_provided_single_submitter, 1 stars.
BA1
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.0566 is higher than 0.05.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
MAN1C1NM_020379.4 linkuse as main transcriptc.166C>G p.Pro56Ala missense_variant 1/12 ENST00000374332.9

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MAN1C1ENST00000374332.9 linkuse as main transcriptc.166C>G p.Pro56Ala missense_variant 1/121 NM_020379.4 P1
MAN1C1ENST00000263979.7 linkuse as main transcriptc.-500C>G 5_prime_UTR_variant 1/135

Frequencies

GnomAD3 genomes
AF:
0.0168
AC:
2564
AN:
152204
Hom.:
68
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0586
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00693
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:
0.000147
Gnomad OTH
AF:
0.00907
GnomAD3 exomes
AF:
0.00415
AC:
997
AN:
240378
Hom.:
25
AF XY:
0.00317
AC XY:
417
AN XY:
131566
show subpopulations
Gnomad AFR exome
AF:
0.0601
Gnomad AMR exome
AF:
0.00296
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.0000997
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.0000840
Gnomad OTH exome
AF:
0.00188
GnomAD4 exome
AF:
0.00169
AC:
2467
AN:
1456516
Hom.:
75
Cov.:
31
AF XY:
0.00148
AC XY:
1069
AN XY:
724618
show subpopulations
Gnomad4 AFR exome
AF:
0.0598
Gnomad4 AMR exome
AF:
0.00347
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.000163
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000685
Gnomad4 OTH exome
AF:
0.00412
GnomAD4 genome
AF:
0.0169
AC:
2567
AN:
152322
Hom.:
68
Cov.:
32
AF XY:
0.0164
AC XY:
1221
AN XY:
74486
show subpopulations
Gnomad4 AFR
AF:
0.0585
Gnomad4 AMR
AF:
0.00692
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000147
Gnomad4 OTH
AF:
0.00898
Alfa
AF:
0.000954
Hom.:
1
Bravo
AF:
0.0194
TwinsUK
AF:
0.000270
AC:
1
ALSPAC
AF:
0.00
AC:
0
ESP6500AA
AF:
0.0538
AC:
236
ESP6500EA
AF:
0.000233
AC:
2
ExAC
AF:
0.00506
AC:
613
Asia WGS
AF:
0.00260
AC:
9
AN:
3478

ClinVar

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

Submissions by phenotype

not provided Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeFeb 09, 2018- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.070
BayesDel_addAF
Benign
-0.51
T
BayesDel_noAF
Benign
-0.46
Cadd
Benign
17
Dann
Benign
0.97
DEOGEN2
Benign
0.012
T
Eigen
Benign
-0.83
Eigen_PC
Benign
-0.79
FATHMM_MKL
Benign
0.20
N
LIST_S2
Benign
0.67
T
MetaRNN
Benign
0.0017
T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
1.4
L
MutationTaster
Benign
1.0
N;N
PrimateAI
Uncertain
0.61
T
PROVEAN
Benign
-0.61
N
REVEL
Benign
0.071
Sift
Uncertain
0.016
D
Sift4G
Benign
0.47
T
Polyphen
0.0030
B
Vest4
0.17
MVP
0.74
MPC
0.50
ClinPred
0.0014
T
GERP RS
1.5
Varity_R
0.041
gMVP
0.32

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: rs2982320; hg19: chr1-25944454; API