Genetic Variant CP:p.Gln165Lys (chr3-149210281-G-T) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM5

The NM_000096.4(CP):c.493C>A(p.Gln165Lys) variant causes a missense change. The variant allele was found at a frequency of 0.00000616 in 1,461,790 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. Q165E) has been classified as Pathogenic.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000062 ( 0 hom. )

Consequence

CP
NM_000096.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 5.14

Publications

2 publications found

Variant links:

Genes affected

CP (HGNC:2295): (ceruloplasmin) The protein encoded by this gene is a metalloprotein that binds most of the copper in plasma and is involved in the peroxidation of Fe(II)transferrin to Fe(III) transferrin. Mutations in this gene cause aceruloplasminemia, which results in iron accumulation and tissue damage, and is associated with diabetes and neurologic abnormalities. Two transcript variants, one protein-coding and the other not protein-coding, have been found for this gene. [provided by RefSeq, Feb 2012]

CP Gene-Disease associations (from GenCC):

aceruloplasminemia
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Genomics England PanelApp, Orphanet, Labcorp Genetics (formerly Invitae), Ambry Genetics
disorder of iron metabolism and transport
Inheritance: AD Classification: LIMITED Submitted by: Ambry Genetics

CP links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

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

PM5

Other missense variant is known to change same aminoacid residue: Variant chr3-149210281-G-C is described in ClinVar as Pathogenic. ClinVar VariationId is 42120.Status of the report is no_assertion_criteria_provided, 0 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000096.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CP	NM_000096.4	MANE Select	c.493C>A	p.Gln165Lys	missense	Exon 3 of 19	NP_000087.2
	CP	NR_046371.2		n.530C>A		non_coding_transcript_exon	Exon 3 of 18

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
CP	ENST00000264613.11	TSL:1 MANE Select	c.493C>A	p.Gln165Lys	missense	Exon 3 of 19	ENSP00000264613.6
CP	ENST00000490639.5	TSL:1	n.525C>A		non_coding_transcript_exon	Exon 3 of 17
CP	ENST00000481169.5	TSL:2	n.493C>A		non_coding_transcript_exon	Exon 3 of 18	ENSP00000418773.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000616

AC:

AN:

1461790

Hom.:

Cov.:

AF XY:

0.00000688

AC XY:

AN XY:

727198

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.00

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26128

East Asian (EAS)

AF:

0.00

AC:

AN:

39694

South Asian (SAS)

AF:

0.00

AC:

AN:

86256

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00000809

AC:

AN:

1111930

Other (OTH)

AF:

0.00

AC:

AN:

60390

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

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

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

EpiCase

AF:

0.0000545

EpiControl

AF:

0.00

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.19

BayesDel_addAF

Uncertain

0.12

BayesDel_noAF

Uncertain

-0.060

CADD

Benign

(source)

DANN

Uncertain

0.99

Eigen

Uncertain

0.59

Eigen_PC

Uncertain

0.52

FATHMM_MKL

Uncertain

0.95

M_CAP

Benign

0.049

MetaRNN

Uncertain

0.51

MetaSVM

Pathogenic

0.86

PhyloP100

5.1

PrimateAI

Benign

0.32

PROVEAN

Benign

-1.7

REVEL

Uncertain

0.47

Sift

Benign

0.25

Sift4G

Benign

0.099

Vest4

0.45

MutPred

0.43

Gain of ubiquitination at Q165 (P = 0.0104)

MVP

0.95

MPC

0.37

ClinPred

0.98

GERP RS

5.8

gMVP

0.80

Mutation Taster

=47/53

disease causing

(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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over