Genetic Variant AIP:p.Gly23Glu (chr11-67483226-G-A) – ACMG Classification: Benign (-12 pts)

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 1P and 13B. PP3BP4_StrongBP6BS1BS2

The NM_003977.4(AIP):c.68G>A(p.Gly23Glu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000684 in 1,614,226 control chromosomes in the GnomAD database, including 12 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Conflicting classifications of pathogenicity (no stars). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. G23R) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0011 ( 2 hom., cov: 31)

Exomes 𝑓: 0.00064 ( 10 hom. )

Consequence

AIP
NM_003977.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:5

Conservation

PhyloP100: 7.61

Publications

4 publications found

Variant links:

Genes affected

AIP (HGNC:358): (aryl hydrocarbon receptor interacting protein) The protein encoded by this gene is a receptor for aryl hydrocarbons and a ligand-activated transcription factor. The encoded protein is found in the cytoplasm as part of a multiprotein complex, but upon binding of ligand is transported to the nucleus. This protein can regulate the expression of many xenobiotic metabolizing enzymes. Also, the encoded protein can bind specifically to and inhibit the activity of hepatitis B virus. Three transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Dec 2014]

AIP Gene-Disease associations (from GenCC):

growth hormone secreting pituitary adenoma 1
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Labcorp Genetics (formerly Invitae), G2P
familial isolated pituitary adenoma
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
pituitary gigantism
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
acromegaly
Inheritance: Unknown Classification: SUPPORTIVE Submitted by: Orphanet

AIP links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -12 ACMG points.

PP3

Multiple lines of computational evidence support a deleterious effect 7: BayesDel_noAF, Cadd, M_CAP, phyloP100way_vertebrate, PROVEAN, REVEL, REVEL [when AlphaMissense, max_spliceai, FATHMM_MKL, MetaRNN, MutationTaster was below the threshold]

BP4

Computational evidence support a benign effect (MetaRNN=0.010811657).

BP6

Variant 11-67483226-G-A is Benign according to our data. Variant chr11-67483226-G-A is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 305724.

BS1

Variant frequency is greater than expected in population nfe. GnomAd4 allele frequency = 0.0011 (168/152374) while in subpopulation NFE AF = 0.0005 (34/68042). AF 95% confidence interval is 0.000367. There are 2 homozygotes in GnomAd4. There are 122 alleles in the male GnomAd4 subpopulation. Median coverage is 31. This position passed quality control check.

BS2

High AC in GnomAd4 at 168 AD,Unknown gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_003977.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	AIP	NM_003977.4	MANE Select	c.68G>A	p.Gly23Glu	missense	Exon 1 of 6	NP_003968.3
	AIP	NM_001302960.2		c.68G>A	p.Gly23Glu	missense	Exon 1 of 6	NP_001289889.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
AIP	ENST00000279146.8	TSL:1 MANE Select	c.68G>A	p.Gly23Glu	missense	Exon 1 of 6	ENSP00000279146.3
AIP	ENST00000934218.1		c.68G>A	p.Gly23Glu	missense	Exon 1 of 6	ENSP00000604277.1
AIP	ENST00000872352.1		c.68G>A	p.Gly23Glu	missense	Exon 1 of 6	ENSP00000542411.1

Frequencies

GnomAD3 genomes

AF:

0.00110

AC:

168

AN:

152256

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

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:

0.0123

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000500

Gnomad OTH

AF:

0.000955

GnomAD2 exomes

AF:

0.00114

AC:

286

AN:

251410

AF XY:

0.00118

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00979

Gnomad NFE exome

AF:

0.000580

Gnomad OTH exome

AF:

0.00130

GnomAD4 exome

AF:

0.000640

AC:

936

AN:

1461852

Hom.:

Cov.:

AF XY:

0.000633

AC XY:

460

AN XY:

727226

show subpopulations

African (AFR)

AF:

0.0000299

AC:

AN:

33478

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86256

European-Finnish (FIN)

AF:

0.00962

AC:

514

AN:

53412

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.000359

AC:

399

AN:

1111990

Other (OTH)

AF:

0.000348

AC:

AN:

60392

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.473

Heterozygous variant carriers

105

158

210

263

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

100

<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:

0.00110

AC:

168

AN:

152374

Hom.:

Cov.:

AF XY:

0.00164

AC XY:

122

AN XY:

74510

show subpopulations

African (AFR)

AF:

0.0000240

AC:

AN:

41588

American (AMR)

AF:

0.00

AC:

AN:

15300

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5194

South Asian (SAS)

AF:

0.00

AC:

AN:

4832

European-Finnish (FIN)

AF:

0.0123

AC:

131

AN:

10624

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.000500

AC:

AN:

68042

Other (OTH)

AF:

0.000945

AC:

AN:

2116

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.495

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Genome Hom

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:

0.000323

Hom.:

Bravo

AF:

0.000178

TwinsUK

AF:

0.00

AC:

ALSPAC

AF:

0.000778

AC:

ESP6500AA

AF:

0.000227

AC:

ESP6500EA

AF:

0.000698

AC:

ExAC

AF:

0.00101

AC:

123

EpiCase

AF:

0.000109

EpiControl

AF:

0.000474

ClinVar

ClinVar submissions as Germline

Significance:Conflicting classifications of pathogenicity

Revision:criteria provided, conflicting classifications

View on ClinVar

Pathogenic

VUS

Benign

Condition

not provided (3)

AIP-related disorder (1)

Hereditary cancer-predisposing syndrome (1)

Somatotroph adenoma (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.25

BayesDel_addAF

Uncertain

0.089

BayesDel_noAF

Pathogenic

0.27

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.14

Eigen

Uncertain

0.51

Eigen_PC

Uncertain

0.47

FATHMM_MKL

Pathogenic

0.99

LIST_S2

Benign

0.85

M_CAP

Pathogenic

0.54

MetaRNN

Benign

0.011

MetaSVM

Uncertain

0.57

PhyloP100

7.6

PrimateAI

Uncertain

0.58

PROVEAN

Pathogenic

-4.9

REVEL

Pathogenic

0.82

Sift

Uncertain

0.0030

Sift4G

Uncertain

0.0080

Vest4

0.78

MVP

0.95

MPC

1.3

ClinPred

0.16

GERP RS

4.8

PromoterAI

0.024

Neutral

(source)

gMVP

0.90

Mutation Taster

=84/16

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