Genetic Variant GOLM2:p.Leu265Pro (chr15-44338309-T-C) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_138423.4(GOLM2):c.794T>C(p.Leu265Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000685 in 1,459,638 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 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. L265H) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.9e-7 ( 0 hom. )

Consequence

GOLM2
NM_138423.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.64

Publications

0 publications found

Variant links:

Genes affected

GOLM2 (HGNC:24892): (golgi membrane protein 2) The increased expression level of this gene is associated with HER-2/neu proto-oncogene overexpression. Amplification and resulting overexpression of this proto-oncogene are found in approximately 30% of human breast and 20% of human ovarian cancers. Alternatively spliced variants encoding different isoforms have been identified for this gene. [provided by RefSeq, Dec 2010]

GOLM2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.19024679).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein
GOLM2	NM_138423.4 link	c.794T>C	p.Leu265Pro	missense_variant	Exon 6 of 10	ENST00000299957.11	NP_612432.2
GOLM2	NM_177974.3 link	c.794T>C	p.Leu265Pro	missense_variant	Exon 6 of 9		NP_816929.1
GOLM2	NR_157849.2 link	n.1105T>C		non_coding_transcript_exon_variant	Exon 6 of 10

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
GOLM2	ENST00000299957.11 link	c.794T>C	p.Leu265Pro	missense_variant	Exon 6 of 10	1	NM_138423.4	ENSP00000299957.6		Q6P4E1-4

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.85e-7

AC:

AN:

1459638

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

726274

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.00

AC:

AN:

33444

American (AMR)

AF:

0.00

AC:

AN:

44684

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26112

East Asian (EAS)

AF:

0.00

AC:

AN:

39632

South Asian (SAS)

AF:

0.0000116

AC:

AN:

86164

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53404

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5758

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1110156

Other (OTH)

AF:

0.00

AC:

AN:

60284

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.325

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.089

BayesDel_addAF

Uncertain

0.048

BayesDel_noAF

Benign

-0.17

CADD

Benign

(source)

DANN

Uncertain

1.0

Eigen

Uncertain

0.32

Eigen_PC

Uncertain

0.28

FATHMM_MKL

Benign

0.70

LIST_S2

Benign

0.63

T;T;T

M_CAP

Benign

0.080

MetaRNN

Benign

0.19

T;T;T

MetaSVM

Uncertain

-0.011

MutationAssessor

Uncertain

2.5

M;.;M

PhyloP100

1.6

PrimateAI

Benign

0.39

PROVEAN

Benign

-0.86

N;.;N

REVEL

Uncertain

0.34

Sift

Benign

0.031

D;.;D

Sift4G

Benign

0.12

T;.;T

Polyphen

0.97

.;.;D

Vest4

0.25

MutPred

0.32

Gain of catalytic residue at L265 (P = 0.0173);.;Gain of catalytic residue at L265 (P = 0.0173);

MVP

0.86

MPC

0.70

ClinPred

0.69

GERP RS

3.9

gMVP

0.40

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

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over