rs36032520

Variant names:

Variant summary

Our verdict is Benign. The variant received -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2

The NM_012064.4(MIP):c.516C>T(p.His172His) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000376 in 1,614,276 control chromosomes in the GnomAD database, including 5 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0022 ( 3 hom., cov: 32)

Exomes 𝑓: 0.00019 ( 2 hom. )

Consequence

MIP
NM_012064.4 synonymous

Scores

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 1.19

Publications

2 publications found

Variant links:

Genes affected

MIP (HGNC:7103): (major intrinsic protein of lens fiber) Major intrinsic protein is a member of the water-transporting aquaporins as well as the original member of the MIP family of channel proteins. The function of the fiber cell membrane protein encoded by this gene is undetermined, yet this protein is speculated to play a role in intracellular communication. The MIP protein is expressed in the ocular lens and is required for correct lens function. This gene has been mapped among aquaporins AQP2, AQP5, and AQP6, in a potential gene cluster at 12q13. [provided by RefSeq, Jul 2008]

MIP Gene-Disease associations (from GenCC):

cataract 15 multiple types
Inheritance: AD Classification: DEFINITIVE, STRONG Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), G2P
cerulean cataract
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
early-onset lamellar cataract
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
early-onset nuclear cataract
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
early-onset posterior polar cataract
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
early-onset sutural cataract
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
total early-onset cataract
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

MIP links:

ENSG00000285528 (HGNC:):

ENSG00000285528 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -21 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.51).

BP6

Variant 12-56453600-G-A is Benign according to our data. Variant chr12-56453600-G-A is described in ClinVar as Benign. ClinVar VariationId is 474239.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=1.19 with no splicing effect.

BS1

Variant frequency is greater than expected in population afr. GnomAd4 allele frequency = 0.0022 (336/152386) while in subpopulation AFR AF = 0.00774 (322/41598). AF 95% confidence interval is 0.00704. There are 3 homozygotes in GnomAd4. There are 162 alleles in the male GnomAd4 subpopulation. Median coverage is 32. This position passed quality control check.

BS2

High AC in GnomAd4 at 336 AD gene.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_012064.4. 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
	MIP	NM_012064.4	MANE Select	c.516C>T	p.His172His	synonymous	Exon 2 of 4	NP_036196.1	P30301

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
MIP	ENST00000652304.1	MANE Select	c.516C>T	p.His172His	synonymous	Exon 2 of 4	ENSP00000498622.1	P30301
MIP	ENST00000555551.1	TSL:1	n.472C>T		non_coding_transcript_exon	Exon 2 of 3
ENSG00000285528	ENST00000648304.1		n.*140C>T		non_coding_transcript_exon	Exon 2 of 4	ENSP00000497190.1	A0A3B3IS89

Frequencies

GnomAD3 genomes

AF:

0.00213

AC:

325

AN:

152268

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00750

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000850

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:

0.000478

GnomAD2 exomes

AF:

0.000545

AC:

137

AN:

251388

AF XY:

0.000368

show subpopulations

Gnomad AFR exome

AF:

0.00800

Gnomad AMR exome

AF:

0.000173

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:

0.000163

GnomAD4 exome

AF:

0.000185

AC:

271

AN:

1461890

Hom.:

Cov.:

AF XY:

0.000151

AC XY:

110

AN XY:

727244

show subpopulations

African (AFR)

AF:

0.00714

AC:

239

AN:

33480

American (AMR)

AF:

0.000201

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53416

Middle Eastern (MID)

AF:

0.000173

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000270

AC:

AN:

1112012

Other (OTH)

AF:

0.000315

AC:

AN:

60396

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.474

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome 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

GnomAD4 genome

AF:

0.00220

AC:

336

AN:

152386

Hom.:

Cov.:

AF XY:

0.00217

AC XY:

162

AN XY:

74526

show subpopulations

African (AFR)

AF:

0.00774

AC:

322

AN:

41598

American (AMR)

AF:

0.000849

AC:

AN:

15308

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:

4834

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10624

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68038

Other (OTH)

AF:

0.000473

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.493

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:

0.00173

Hom.:

Bravo

AF:

0.00221

Asia WGS

AF:

0.00144

AC:

AN:

3478

ClinVar

ClinVar submissions

Significance:Benign

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

Cataract 15 multiple types (2)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.51

CADD

Benign

9.1

(source)

DANN

Benign

0.85

PhyloP100

1.2

Mutation Taster

=95/5

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