12-94367934-G-C

Variant names:

• chr12-94367934-G-C
• rs189675715
• NM_016122.3:c.1203C>G

Variant summary

Our verdict is Benign. The variant received -7 ACMG points: 0P and 7B. BP4_Strong BP6_Moderate BP7

The NM_016122.3(CEP83):​c.1203C>G​(p.Leu401Leu) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000229 in 1,612,766 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★). Synonymous variant affecting the same amino acid position (i.e. L401L) has been classified as Likely benign.

• Frequency:
  • Genomes: 𝑓 0.000020 (0 hom., cov: 32)
  • Exomes 𝑓: 0.000023 (0 hom.)
• Consequence: CEP83 NM_016122.3 synonymous
• Clinical Significance: Likely benign criteria provided, single submitter B:1
• Conservation: PhyloP100: 0.0860
• Publications: 2 publications found

Genes affected

CEP83 (HGNC:17966): (centrosomal protein 83) The protein encoded by this gene is a centriolar protein involved in primary cilium assembly. Defects in this gene have been associated with infantile nephronophthisis and intellectual disability. [provided by RefSeq, Oct 2016]

CEP83 Gene-Disease associations (from GenCC):

• nephronophthisis 18

  Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE Submitted by: G2P, Ambry Genetics, Genomics England PanelApp, Labcorp Genetics (formerly Invitae)
• nephronophthisis 2

  Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

ACMG classification

Our verdict: Benign. The variant received -7 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.49).
• BP6: Variant 12-94367934-G-C is Benign according to our data. Variant chr12-94367934-G-C is described in ClinVar as Likely_benign. ClinVar VariationId is 1152270.Status of the report is criteria_provided_single_submitter, 1 stars.
• BP7: Synonymous conserved (PhyloP=0.086 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_016122.3. 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
	CEP83	NM_016122.3	MANE Select	c.1203C>G	p.Leu401Leu	synonymous	Exon 11 of 17	NP_057206.2	Q9Y592-1
	CEP83	NM_001042399.2		c.1203C>G	p.Leu401Leu	synonymous	Exon 10 of 16	NP_001035858.1	Q9Y592-1
	CEP83	NM_001346457.2		c.1203C>G	p.Leu401Leu	synonymous	Exon 10 of 17	NP_001333386.1	Q9Y592-1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CEP83	ENST00000397809.10	TSL:1 MANE Select	c.1203C>G	p.Leu401Leu	synonymous	Exon 11 of 17	ENSP00000380911.4	Q9Y592-1
	CEP83	ENST00000339839.9	TSL:1	c.1203C>G	p.Leu401Leu	synonymous	Exon 10 of 16	ENSP00000344655.5	Q9Y592-1
	CEP83	ENST00000547232.5	TSL:1	n.1104C>G		non_coding_transcript_exon	Exon 11 of 17	ENSP00000447783.1	A0A338VFC5

Frequencies

GnomAD3 genomes AF: 0.0000197 AC: 3 AN: 151946 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.00

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.000622

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00

Gnomad NFE AF: 0.00

Gnomad OTH AF: 0.00

GnomAD2 exomes AF: 0.0000282 AC: 7 AN: 248496 AF XY: 0.0000148

Gnomad AFR exome AF: 0.00

Gnomad AMR exome AF: 0.00

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.000167

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.0000233 AC: 34 AN: 1460702 Hom.: 0 Cov.: 30 AF XY: 0.0000372 AC XY: 27 AN XY: 726632

African (AFR) AF: 0.00 AC: 0 AN: 33458

American (AMR) AF: 0.00 AC: 0 AN: 44638

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26104

East Asian (EAS) AF: 0.000101 AC: 4 AN: 39638

South Asian (SAS) AF: 0.000337 AC: 29 AN: 86062

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53318

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5762

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1111376

Other (OTH) AF: 0.0000166 AC: 1 AN: 60346

GnomAD4 genome AF: 0.0000197 AC: 3 AN: 152064 Hom.: 0 Cov.: 32 AF XY: 0.0000269 AC XY: 2 AN XY: 74320

African (AFR) AF: 0.00 AC: 0 AN: 41478

American (AMR) AF: 0.00 AC: 0 AN: 15286

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3468

East Asian (EAS) AF: 0.00 AC: 0 AN: 5182

South Asian (SAS) AF: 0.000623 AC: 3 AN: 4818

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10540

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 294

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 67982

Other (OTH) AF: 0.00 AC: 0 AN: 2104

Alfa AF: 0.00 Hom.: 0

ClinVar

ClinVar submissions

Significance: Likely benign

Revision: criteria provided, single submitter

Pathogenic	VUS	Benign	Condition
-	-	1	Nephronophthisis 18 (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.49
CADD	Benign	3.1
DANN	Benign	0.64
PhyloP100		0.086
RBP_binding_hub_radar		0.0
RBP_regulation_power_radar		1.7
Mutation Taster		=99/1	polymorphism

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

Other links and lift over

dbSNP: rs189675715; hg19: chr12-94761710;