NM_001253852.3:c.1082C>T

Variant names:

Variant summary

Our verdict is Benign. The variant received -8 ACMG points: 0P and 8B. BP4_StrongBS1

The NM_001253852.3(AP4B1):c.1082C>T(p.Ala361Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000118 in 1,614,164 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.000072 ( 0 hom., cov: 32)

Exomes 𝑓: 0.00012 ( 0 hom. )

Consequence

AP4B1
NM_001253852.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:5

Conservation

PhyloP100: 0.537

Publications

2 publications found

Variant links:

Genes affected

AP4B1 (HGNC:572): (adaptor related protein complex 4 subunit beta 1) This gene encodes a subunit of a heterotetrameric adapter-like complex 4 that is involved in targeting proteins from the trans-Golgi network to the endosomal-lysosomal system. Mutations in this gene are associated with cerebral palsy spastic quadriplegic type 5 (CPSQ5) disorder. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Dec 2011]

AP4B1 links:

AP4B1-AS1 (HGNC:44114): (AP4B1 antisense RNA 1)

AP4B1-AS1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -8 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.007973254).

BS1

Variant frequency is greater than expected in population eas. GnomAdExome4 allele frequency = 0.000122 (179/1461890) while in subpopulation EAS AF = 0.00327 (130/39700). AF 95% confidence interval is 0.00282. There are 0 homozygotes in GnomAdExome4. There are 97 alleles in the male GnomAdExome4 subpopulation. Median coverage is 30. This position passed quality control check.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001253852.3. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
AP4B1	NM_001253852.3	MANE Select	c.1082C>T	p.Ala361Val	missense	Exon 5 of 10	NP_001240781.1	Q9Y6B7-1
AP4B1	NM_001438373.1		c.1082C>T	p.Ala361Val	missense	Exon 6 of 11	NP_001425302.1
AP4B1	NM_006594.5		c.1082C>T	p.Ala361Val	missense	Exon 6 of 11	NP_006585.2	Q9Y6B7-1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
AP4B1	ENST00000369569.6	TSL:1 MANE Select	c.1082C>T	p.Ala361Val	missense	Exon 5 of 10	ENSP00000358582.1	Q9Y6B7-1
AP4B1	ENST00000256658.8	TSL:1	c.1082C>T	p.Ala361Val	missense	Exon 6 of 11	ENSP00000256658.4	Q9Y6B7-1
AP4B1	ENST00000863127.1		c.1082C>T	p.Ala361Val	missense	Exon 5 of 11	ENSP00000533186.1

Frequencies

GnomAD3 genomes

AF:

0.0000723

AC:

AN:

152156

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000724

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00135

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000107

AC:

AN:

251422

AF XY:

0.000147

show subpopulations

Gnomad AFR exome

AF:

0.000123

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000924

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000703

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000122

AC:

179

AN:

1461890

Hom.:

Cov.:

AF XY:

0.000133

AC XY:

AN XY:

727248

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44722

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00327

AC:

130

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.000173

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.0000396

AC:

AN:

1112010

Other (OTH)

AF:

0.0000662

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.485

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<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:

0.0000722

AC:

AN:

152274

Hom.:

Cov.:

AF XY:

0.000107

AC XY:

AN XY:

74466

show subpopulations

African (AFR)

AF:

0.0000722

AC:

AN:

41552

American (AMR)

AF:

0.00

AC:

AN:

15284

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00135

AC:

AN:

5188

South Asian (SAS)

AF:

0.000207

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10612

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68024

Other (OTH)

AF:

0.00

AC:

AN:

2110

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.548

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<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:

0.00

Hom.:

Bravo

AF:

0.0000718

ESP6500AA

AF:

0.000227

AC:

ESP6500EA

AF:

0.000116

AC:

ExAC

AF:

0.000132

AC:

EpiCase

AF:

0.00

EpiControl

AF:

0.000178

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

Hereditary spastic paraplegia 47 (2)

Inborn genetic diseases (1)

not provided (1)

not specified (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.078

BayesDel_addAF

Benign

-0.52

BayesDel_noAF

Benign

-0.59

CADD

Benign

(source)

DANN

Benign

0.87

DEOGEN2

Benign

0.062

Eigen

Benign

-0.96

Eigen_PC

Benign

-0.75

FATHMM_MKL

Benign

0.32

LIST_S2

Benign

0.84

M_CAP

Benign

0.0083

MetaRNN

Benign

0.0080

MetaSVM

Benign

-0.94

MutationAssessor

Benign

-1.4

PhyloP100

0.54

PrimateAI

Benign

0.36

PROVEAN

Benign

0.69

REVEL

Benign

0.065

Sift

Benign

0.75

Sift4G

Benign

0.99

Polyphen

0.0060

Vest4

0.094

MVP

0.25

MPC

0.12

ClinPred

0.052

GERP RS

3.1

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.055

gMVP

0.13

Mutation Taster

=80/20

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over