chr3-136283904-C-A

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM2PM5PP3_Moderate

The NM_000532.5(PCCB):​c.611C>A​(p.Ala204Asp) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,012 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 variant affecting the same amino acid position, but resulting in a different missense (i.e. A204V) has been classified as Likely pathogenic.

Frequency

Genomes: not found (cov: 32)
Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

PCCB
NM_000532.5 missense

Scores

13
4
2

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 7.50
Variant links:
Genes affected
PCCB (HGNC:8654): (propionyl-CoA carboxylase subunit beta) The protein encoded by this gene is a subunit of the propionyl-CoA carboxylase (PCC) enzyme, which is involved in the catabolism of propionyl-CoA. PCC is a mitochondrial enzyme that probably acts as a dodecamer of six alpha subunits and six beta subunits. This gene encodes the beta subunit of PCC. Defects in this gene are a cause of propionic acidemia type II (PA-2). Multiple transcript variants encoding different isoforms have been found for this gene.[provided by RefSeq, May 2010]

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ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PM5
Other missense variant is known to change same aminoacid residue: Variant chr3-136283904-C-T is described in Lovd as [Likely_pathogenic].
PP3
MetaRNN computational evidence supports a deleterious effect, 0.933

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
PCCBNM_000532.5 linkuse as main transcriptc.611C>A p.Ala204Asp missense_variant 6/15 ENST00000251654.9 NP_000523.2
PCCBNM_001178014.2 linkuse as main transcriptc.671C>A p.Ala224Asp missense_variant 7/16 NP_001171485.1
PCCBXM_011512873.2 linkuse as main transcriptc.611C>A p.Ala204Asp missense_variant 6/11 XP_011511175.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
PCCBENST00000251654.9 linkuse as main transcriptc.611C>A p.Ala204Asp missense_variant 6/151 NM_000532.5 ENSP00000251654 P2P05166-1

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251456
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135902
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000289
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
6.84e-7
AC:
1
AN:
1461012
Hom.:
0
Cov.:
30
AF XY:
0.00000138
AC XY:
1
AN XY:
726864
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
32

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.98
BayesDel_addAF
Pathogenic
0.49
D
BayesDel_noAF
Pathogenic
0.56
CADD
Pathogenic
29
DANN
Uncertain
0.99
DEOGEN2
Pathogenic
0.92
D;.;.;D;D;D;.;.;.;D;.
Eigen
Pathogenic
0.70
Eigen_PC
Pathogenic
0.70
FATHMM_MKL
Pathogenic
0.97
D
LIST_S2
Pathogenic
0.99
D;D;D;D;D;D;D;D;D;D;D
M_CAP
Uncertain
0.23
D
MetaRNN
Pathogenic
0.93
D;D;D;D;D;D;D;D;D;D;D
MetaSVM
Uncertain
0.57
D
MutationAssessor
Pathogenic
3.3
M;.;.;.;.;.;.;.;.;.;.
MutationTaster
Benign
1.0
D;D;D;D;D;D;D;D;D;D
PrimateAI
Pathogenic
0.80
T
PROVEAN
Pathogenic
-5.0
D;D;D;D;D;D;D;D;D;D;D
REVEL
Pathogenic
0.93
Sift
Benign
0.14
T;T;T;T;T;T;T;T;T;T;T
Sift4G
Uncertain
0.052
T;T;T;T;T;T;T;T;T;T;T
Polyphen
1.0
D;.;.;.;.;.;.;D;.;.;.
Vest4
0.96
MutPred
0.79
Gain of phosphorylation at Y206 (P = 0.0772);.;.;.;.;Gain of phosphorylation at Y206 (P = 0.0772);.;Gain of phosphorylation at Y206 (P = 0.0772);.;Gain of phosphorylation at Y206 (P = 0.0772);.;
MVP
0.99
MPC
0.43
ClinPred
0.97
D
GERP RS
5.5
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.1
Varity_R
0.78
gMVP
0.92

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

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Other links and lift over

dbSNP: rs760499581; hg19: chr3-136002746; API