NM_005584.5:c.704C>T

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_005584.5(MAB21L1):​c.704C>T​(p.Ala235Val) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000031 in 1,613,162 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 31)
Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

MAB21L1
NM_005584.5 missense

Scores

1
4
12

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 10.0

Publications

4 publications found
Variant links:
Genes affected
MAB21L1 (HGNC:6757): (mab-21 like 1) This gene is similar to the MAB-21 cell fate-determining gene found in C. elegans. It may be involved in eye and cerebellum development, and it has been proposed that expansion of a trinucleotide repeat region in the 5' UTR may play a role in a variety of psychiatric disorders. [provided by RefSeq, Oct 2008]
NBEA (HGNC:7648): (neurobeachin) This gene encodes a member of a large, diverse group of A-kinase anchor proteins that target the activity of protein kinase A to specific subcellular sites by binding to its type II regulatory subunits. Brain-specific expression and coat protein-like membrane recruitment of a highly similar protein in mouse suggest an involvement in neuronal post-Golgi membrane traffic. Mutations in this gene may be associated with a form of autism. This gene and its expression are frequently disrupted in patients with multiple myeloma. Alternative splicing results in multiple transcript variants encoding distinct isoforms. Additional transcript variants may exist, but their full-length nature has not been determined.[provided by RefSeq, Feb 2011]
NBEA Gene-Disease associations (from GenCC):
  • complex neurodevelopmental disorder
    Inheritance: AD Classification: DEFINITIVE Submitted by: ClinGen
  • neurodevelopmental disorder with or without early-onset generalized epilepsy
    Inheritance: AD Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae), G2P
  • syndromic intellectual disability
    Inheritance: AD Classification: STRONG Submitted by: Illumina

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_005584.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
MAB21L1
NM_005584.5
MANE Select
c.704C>Tp.Ala235Val
missense
Exon 1 of 1NP_005575.1F1T0A2
NBEA
NM_001385012.1
MANE Select
c.6585+2899G>A
intron
N/ANP_001371941.1Q5T321
NBEA
NM_001379245.1
c.6576+2899G>A
intron
N/ANP_001366174.1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
MAB21L1
ENST00000379919.6
TSL:6 MANE Select
c.704C>Tp.Ala235Val
missense
Exon 1 of 1ENSP00000369251.4Q13394
NBEA
ENST00000379939.7
TSL:5 MANE Select
c.6585+2899G>A
intron
N/AENSP00000369271.2Q5T321
MAB21L1
ENST00000707125.1
c.704C>Tp.Ala235Val
missense
Exon 2 of 2ENSP00000516753.1Q13394

Frequencies

GnomAD3 genomes
AF:
0.0000132
AC:
2
AN:
151516
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.0000485
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
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:
0.00
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.00000799
AC:
2
AN:
250326
AF XY:
0.00000739
show subpopulations
Gnomad AFR exome
AF:
0.000124
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000205
AC:
3
AN:
1461646
Hom.:
0
Cov.:
32
AF XY:
0.00000275
AC XY:
2
AN XY:
727116
show subpopulations
African (AFR)
AF:
0.0000597
AC:
2
AN:
33480
American (AMR)
AF:
0.00
AC:
0
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26134
East Asian (EAS)
AF:
0.00
AC:
0
AN:
39700
South Asian (SAS)
AF:
0.00
AC:
0
AN:
86258
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53186
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5768
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1112002
Other (OTH)
AF:
0.0000166
AC:
1
AN:
60394
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.525
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000132
AC:
2
AN:
151516
Hom.:
0
Cov.:
31
AF XY:
0.00
AC XY:
0
AN XY:
73960
show subpopulations
African (AFR)
AF:
0.0000485
AC:
2
AN:
41216
American (AMR)
AF:
0.00
AC:
0
AN:
15226
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3466
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5096
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4770
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10522
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
67916
Other (OTH)
AF:
0.00
AC:
0
AN:
2078
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.575
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.0000712
Hom.:
0
Bravo
AF:
0.0000227
ExAC
AF:
0.0000165
AC:
2

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
Inborn genetic diseases (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.095
BayesDel_addAF
Benign
-0.17
T
BayesDel_noAF
Benign
-0.21
CADD
Uncertain
24
DANN
Uncertain
0.98
DEOGEN2
Benign
0.14
T
Eigen
Benign
0.11
Eigen_PC
Uncertain
0.34
FATHMM_MKL
Pathogenic
0.98
D
LIST_S2
Benign
0.76
T
M_CAP
Benign
0.014
T
MetaRNN
Uncertain
0.60
D
MetaSVM
Benign
-0.99
T
MutationAssessor
Benign
-0.14
N
PhyloP100
10
PROVEAN
Benign
-0.96
N
REVEL
Uncertain
0.30
Sift
Benign
0.50
T
Sift4G
Benign
0.50
T
Polyphen
0.0010
B
Vest4
0.83
MutPred
0.38
Loss of disorder (P = 0.102)
MVP
0.71
MPC
0.69
ClinPred
0.19
T
GERP RS
5.8
PromoterAI
-0.017
Neutral
Varity_R
0.39
gMVP
0.66
Mutation Taster
=18/82
disease causing

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.040
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs771150876; hg19: chr13-36049572; COSMIC: COSV59769415; COSMIC: COSV59769415; API