Genetic Variant NM_001159390.2:c.300C>G (chr1-228146924-C-G) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP3

The NM_001159390.2(GUK1):c.300C>G(p.Asn100Lys) 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 1,460,142 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another nucleotide change resulting in the same amino acid substitution has been previously reported as Uncertain significance in ClinVar.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

GUK1
NM_001159390.2 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 2.53

Publications

1 publications found

Variant links:

Genes affected

GUK1 (HGNC:4693): (guanylate kinase 1) The protein encoded by this gene is an enzyme that catalyzes the transfer of a phosphate group from ATP to guanosine monophosphate (GMP) to form guanosine diphosphate (GDP). The encoded protein is thought to be a good target for cancer chemotherapy. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jun 2011]

GUK1 Gene-Disease associations (from GenCC):

mitochondrial disease
Inheritance: AR Classification: LIMITED Submitted by: Ambry Genetics

GUK1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.813

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001159390.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
GUK1	NM_001159390.2	MANE Select	c.300C>G	p.Asn100Lys	missense	Exon 4 of 8	NP_001152862.1	Q16774-2
GUK1	NM_001242840.3		c.300C>G	p.Asn100Lys	missense	Exon 4 of 7	NP_001229769.1	Q16774-3
GUK1	NM_000858.7		c.237C>G	p.Asn79Lys	missense	Exon 5 of 9	NP_000849.1	Q6IBG8

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
GUK1	ENST00000453943.6	TSL:1 MANE Select	c.300C>G	p.Asn100Lys	missense	Exon 4 of 8	ENSP00000401832.2	B1ANH0
GUK1	ENST00000312726.9	TSL:1	n.*294C>G		non_coding_transcript_exon	Exon 5 of 9	ENSP00000317659.5	A0A9L9PY36
GUK1	ENST00000366716.1	TSL:1	n.296C>G		non_coding_transcript_exon	Exon 3 of 7

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.85e-7

AC:

AN:

1460142

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

726504

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33446

American (AMR)

AF:

0.00

AC:

AN:

44720

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26130

East Asian (EAS)

AF:

0.00

AC:

AN:

39688

South Asian (SAS)

AF:

0.00

AC:

AN:

86216

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53354

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5758

European-Non Finnish (NFE)

AF:

9.00e-7

AC:

AN:

1110516

Other (OTH)

AF:

0.00

AC:

AN:

60314

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.89

BayesDel_addAF

Benign

-0.031

BayesDel_noAF

Benign

-0.28

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.32

Eigen

Pathogenic

0.69

Eigen_PC

Uncertain

0.60

FATHMM_MKL

Uncertain

0.86

LIST_S2

Pathogenic

0.99

M_CAP

Benign

0.028

MetaRNN

Pathogenic

0.81

MetaSVM

Uncertain

-0.24

MutationAssessor

Uncertain

2.7

PhyloP100

2.5

PrimateAI

Uncertain

0.71

PROVEAN

Pathogenic

-6.0

REVEL

Uncertain

0.39

Sift

Pathogenic

0.0

Sift4G

Uncertain

0.0090

Polyphen

1.0

Vest4

0.97

MutPred

0.74

Loss of helix (P = 0.0237)

MVP

0.66

MPC

1.1

ClinPred

0.99

GERP RS

5.4

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.84

gMVP

0.87

Mutation Taster

=15/85

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

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over