Genetic Variant NM_014321.4:c.92C>T (chr16-46691017-C-T) – ACMG Classification: Uncertain_significance (4 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_014321.4(ORC6):c.92C>T(p.Ser31Phe) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,866 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

ORC6
NM_014321.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2

Conservation

PhyloP100: 4.81

Publications

0 publications found

Variant links:

Genes affected

ORC6 (HGNC:17151): (origin recognition complex subunit 6) The origin recognition complex (ORC) is a highly conserved six subunit protein complex essential for the initiation of the DNA replication in eukaryotic cells. Studies in yeast demonstrated that ORC binds specifically to origins of replication and serves as a platform for the assembly of additional initiation factors such as Cdc6 and Mcm proteins. The protein encoded by this gene is a subunit of the ORC complex. Gene silencing studies with small interfering RNA demonstrated that this protein plays an essential role in coordinating chromosome replication and segregation with cytokinesis. [provided by RefSeq, Oct 2010]

ORC6 Gene-Disease associations (from GenCC):

Meier-Gorlin syndrome 3
Inheritance: AR Classification: DEFINITIVE, STRONG Submitted by: ClinGen, Labcorp Genetics (formerly Invitae), G2P
Meier-Gorlin syndrome
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet

ORC6 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.888

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_014321.4. 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
	ORC6	NM_014321.4	MANE Select	c.92C>T	p.Ser31Phe	missense	Exon 2 of 7	NP_055136.1	Q9Y5N6
	ORC6	NR_037620.2		n.198C>T		non_coding_transcript_exon	Exon 2 of 7

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
ORC6	ENST00000219097.7	TSL:1 MANE Select	c.92C>T	p.Ser31Phe	missense	Exon 2 of 7	ENSP00000219097.2	Q9Y5N6
ORC6	ENST00000912416.1		c.92C>T	p.Ser31Phe	missense	Exon 2 of 7	ENSP00000582475.1
ORC6	ENST00000912417.1		c.92C>T	p.Ser31Phe	missense	Exon 2 of 7	ENSP00000582476.1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461866

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727230

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:

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:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111986

Other (OTH)

AF:

0.00

AC:

AN:

60394

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

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.:

ClinVar

ClinVar submissions as Germline

Significance:Uncertain significance

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

Inborn genetic diseases (1)

not provided (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.55

BayesDel_addAF

Pathogenic

0.31

BayesDel_noAF

Pathogenic

0.21

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.080

Eigen

Uncertain

0.65

Eigen_PC

Uncertain

0.60

FATHMM_MKL

Uncertain

0.85

LIST_S2

Uncertain

0.91

M_CAP

Uncertain

0.14

MetaRNN

Pathogenic

0.89

MetaSVM

Uncertain

-0.12

MutationAssessor

Uncertain

2.7

PhyloP100

4.8

PrimateAI

Uncertain

0.54

PROVEAN

Benign

-1.5

REVEL

Uncertain

0.47

Sift

Uncertain

0.0030

Sift4G

Benign

0.48

Polyphen

1.0

Vest4

0.86

MutPred

0.68

Loss of disorder (P = 0.0107)

MVP

0.84

MPC

0.44

ClinPred

0.93

GERP RS

5.2

PromoterAI

0.19

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.1

Varity_R

0.49

gMVP

0.66

Mutation Taster

=244/56

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over