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chr4-156850397-A-T

Variant summary

Our verdict is Benign. Variant got -8 ACMG points: 0P and 8B. BP4_StrongBS2

The NM_016205.3(PDGFC):​c.138T>A​(p.His46Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000289 in 1,592,978 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000031 ( 0 hom. )

Consequence

PDGFC
NM_016205.3 missense

Scores

2
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.99
Variant links:
Genes affected
PDGFC (HGNC:8801): (platelet derived growth factor C) The protein encoded by this gene is a member of the platelet-derived growth factor family. The four members of this family are mitogenic factors for cells of mesenchymal origin and are characterized by a core motif of eight cysteines. This gene product appears to form only homodimers. It differs from the platelet-derived growth factor alpha and beta polypeptides in having an unusual N-terminal domain, the CUB domain. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Sep 2010]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -8 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.06344992).
BS2
High AC in GnomAdExome4 at 44 AD gene.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
PDGFCNM_016205.3 linkuse as main transcriptc.138T>A p.His46Gln missense_variant 2/6 ENST00000502773.6

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
PDGFCENST00000502773.6 linkuse as main transcriptc.138T>A p.His46Gln missense_variant 2/61 NM_016205.3 P1Q9NRA1-1
PDGFCENST00000274071.6 linkuse as main transcriptc.*46T>A 3_prime_UTR_variant, NMD_transcript_variant 3/71
PDGFCENST00000422544.2 linkuse as main transcriptc.138T>A p.His46Gln missense_variant 2/65 Q9NRA1-2
PDGFCENST00000512711.1 linkuse as main transcriptn.148T>A non_coding_transcript_exon_variant 3/53

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152096
Hom.:
0
Cov.:
32
show subpopulations
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:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000378
AC:
9
AN:
238402
Hom.:
0
AF XY:
0.0000310
AC XY:
4
AN XY:
128930
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
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:
0.0000821
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000305
AC:
44
AN:
1440882
Hom.:
0
Cov.:
28
AF XY:
0.0000377
AC XY:
27
AN XY:
716634
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
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:
0.0000391
Gnomad4 OTH exome
AF:
0.0000168
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152096
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74294
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.0000151
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.0000577
AC:
7

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsJul 07, 2022The c.138T>A (p.H46Q) alteration is located in exon 2 (coding exon 2) of the PDGFC gene. This alteration results from a T to A substitution at nucleotide position 138, causing the histidine (H) at amino acid position 46 to be replaced by a glutamine (Q). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.13
BayesDel_addAF
Benign
-0.39
T
BayesDel_noAF
Benign
-0.61
CADD
Benign
18
DANN
Benign
0.92
DEOGEN2
Benign
0.21
T;.
Eigen
Benign
-0.43
Eigen_PC
Benign
-0.22
FATHMM_MKL
Uncertain
0.83
D
LIST_S2
Benign
0.78
T;T
M_CAP
Benign
0.0067
T
MetaRNN
Benign
0.063
T;T
MetaSVM
Benign
-0.97
T
MutationAssessor
Benign
-0.49
N;N
MutationTaster
Benign
1.0
D;D;D
PrimateAI
Uncertain
0.51
T
PROVEAN
Benign
-0.62
N;N
REVEL
Benign
0.038
Sift
Benign
0.30
T;T
Sift4G
Benign
0.25
T;T
Polyphen
0.080
B;.
Vest4
0.26
MutPred
0.72
Gain of disorder (P = 0.1103);Gain of disorder (P = 0.1103);
MVP
0.093
MPC
0.35
ClinPred
0.047
T
GERP RS
3.5
Varity_R
0.080
gMVP
0.38

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

LitVar

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

Other links and lift over

dbSNP: rs146333661; hg19: chr4-157771549; API