NM_033026.6:c.15425A>C

Variant names:

• chr7-82758579-T-G
• rs141283244
• NM_033026.6:c.15425A>C

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2 BP4

The NM_033026.6(PCLO):​c.15425A>C​(p.His5142Pro) variant causes a missense change. The variant allele was found at a frequency of 0.000000687 in 1,456,460 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. H5142R) has been classified as Likely benign.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 6.9e-7 (0 hom.)
• Consequence: PCLO NM_033026.6 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 5.58
• Publications: 0 publications found

Genes affected

PCLO (HGNC:13406): (piccolo presynaptic cytomatrix protein) The protein encoded by this gene is part of the presynaptic cytoskeletal matrix, which is involved in establishing active synaptic zones and in synaptic vesicle trafficking. Variations in this gene have been associated with bipolar disorder and major depressive disorder. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Nov 2011]

PCLO Gene-Disease associations (from GenCC):

• pontocerebellar hypoplasia type 3

  Inheritance: AR Classification: STRONG, MODERATE, SUPPORTIVE Submitted by: Labcorp Genetics (formerly Invitae), Orphanet, Ambry Genetics

ACMG classification

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.4105987).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_033026.6. 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
	PCLO	NM_033026.6	MANE Select	c.15425A>C	p.His5142Pro	missense	Exon 25 of 25	NP_149015.2	Q9Y6V0-5

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	PCLO	ENST00000333891.14	TSL:2 MANE Select	c.15425A>C	p.His5142Pro	missense	Exon 25 of 25	ENSP00000334319.8	Q9Y6V0-5

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.87e-7 AC: 1 AN: 1456460 Hom.: 0 Cov.: 29 AF XY: 0.00 AC XY: 0 AN XY: 724434

African (AFR) AF: 0.00 AC: 0 AN: 33132

American (AMR) AF: 0.00 AC: 0 AN: 44148

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 25892

East Asian (EAS) AF: 0.00 AC: 0 AN: 39580

South Asian (SAS) AF: 0.00 AC: 0 AN: 85310

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 52940

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5722

European-Non Finnish (NFE) AF: 9.01e-7 AC: 1 AN: 1109620

Other (OTH) AF: 0.00 AC: 0 AN: 60116

GnomAD4 genome Cov.: 32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.095
BayesDel_addAF	Uncertain	0.013	T
BayesDel_noAF	Benign	-0.22
CADD	Benign	20
DANN	Benign	0.32
Eigen	Uncertain	0.39
Eigen_PC	Uncertain	0.39
FATHMM_MKL	Pathogenic	0.99	D
LIST_S2	Benign	0.75	T
M_CAP	Benign	0.018	T
MetaRNN	Benign	0.41	T
MetaSVM	Benign	-1.0	T
PhyloP100		5.6
PrimateAI	Uncertain	0.59	T
PROVEAN	Uncertain	-4.2	D
REVEL	Benign	0.24
Sift	Uncertain	0.0020	D
Sift4G	Uncertain	0.0080	D
Vest4		0.55
MutPred		0.32		Gain of glycosylation at H5142 (P = 0.0039)
MVP		0.20
MPC		0.048
ClinPred		0.98	D
GERP RS		5.5
Varity_R		0.71
gMVP		0.29
Mutation Taster		=84/16	polymorphism

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.010		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: rs141283244; hg19: chr7-82387895;