chr12-95878269-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_182496.3(CCDC38):​c.1220C>T​(p.Ala407Val) variant causes a missense change. The variant allele was found at a frequency of 0.000178 in 1,613,410 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000079 ( 0 hom., cov: 32)
Exomes 𝑓: 0.00019 ( 0 hom. )

Consequence

CCDC38
NM_182496.3 missense

Scores

3
9
7

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 5.26
Variant links:
Genes affected
CCDC38 (HGNC:26843): (coiled-coil domain containing 38) Located in centrosome. [provided by Alliance of Genome Resources, Apr 2022]
SNRPF (HGNC:11162): (small nuclear ribonucleoprotein polypeptide F) Enables RNA binding activity. Involved in spliceosomal snRNP assembly. Located in cytosol and nucleus. Part of several cellular components, including methylosome; nucleus; and pICln-Sm protein complex. Biomarker of nasopharynx carcinoma. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CCDC38NM_182496.3 linkuse as main transcriptc.1220C>T p.Ala407Val missense_variant 13/16 ENST00000344280.8 NP_872302.2 Q502W7
CCDC38XM_011537883.3 linkuse as main transcriptc.1220C>T p.Ala407Val missense_variant 13/16 XP_011536185.1 Q502W7
CCDC38XM_047428281.1 linkuse as main transcriptc.728C>T p.Ala243Val missense_variant 9/12 XP_047284237.1
CCDC38XM_011537888.4 linkuse as main transcriptc.569C>T p.Ala190Val missense_variant 7/10 XP_011536190.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CCDC38ENST00000344280.8 linkuse as main transcriptc.1220C>T p.Ala407Val missense_variant 13/161 NM_182496.3 ENSP00000345470.3 Q502W7
SNRPFENST00000552085.1 linkuse as main transcriptc.130-1419G>A intron_variant 3 ENSP00000447127.1 F8W0W6
SNRPFENST00000553192.5 linkuse as main transcriptc.130-1419G>A intron_variant 4 ENSP00000447751.1 A0A0B4J254
CCDC38ENST00000549876.5 linkuse as main transcriptn.104C>T non_coding_transcript_exon_variant 2/55 ENSP00000447129.1 H0YHI1

Frequencies

GnomAD3 genomes
AF:
0.0000789
AC:
12
AN:
152158
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000131
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:
0.000132
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000128
AC:
32
AN:
250540
Hom.:
0
AF XY:
0.000148
AC XY:
20
AN XY:
135414
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.000145
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:
0.000230
Gnomad OTH exome
AF:
0.000164
GnomAD4 exome
AF:
0.000188
AC:
275
AN:
1461252
Hom.:
0
Cov.:
31
AF XY:
0.000187
AC XY:
136
AN XY:
726958
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
Gnomad4 AMR exome
AF:
0.000224
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:
0.000232
Gnomad4 OTH exome
AF:
0.0000994
GnomAD4 genome
AF:
0.0000789
AC:
12
AN:
152158
Hom.:
0
Cov.:
32
AF XY:
0.0000538
AC XY:
4
AN XY:
74332
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.000131
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.000132
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000960
Hom.:
0
Bravo
AF:
0.0000793
TwinsUK
AF:
0.000539
AC:
2
ALSPAC
AF:
0.000519
AC:
2
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.000132
AC:
16
EpiCase
AF:
0.0000545
EpiControl
AF:
0.000415

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 GeneticsJan 23, 2023The c.1220C>T (p.A407V) alteration is located in exon 13 (coding exon 12) of the CCDC38 gene. This alteration results from a C to T substitution at nucleotide position 1220, causing the alanine (A) at amino acid position 407 to be replaced by a valine (V). 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
0.21
BayesDel_addAF
Benign
-0.12
T
BayesDel_noAF
Benign
-0.12
CADD
Pathogenic
26
DANN
Uncertain
1.0
DEOGEN2
Benign
0.079
T
Eigen
Pathogenic
0.86
Eigen_PC
Pathogenic
0.83
FATHMM_MKL
Uncertain
0.84
D
LIST_S2
Benign
0.82
T
M_CAP
Benign
0.064
D
MetaRNN
Uncertain
0.60
D
MetaSVM
Uncertain
0.033
D
MutationAssessor
Pathogenic
3.3
M
PrimateAI
Uncertain
0.48
T
PROVEAN
Uncertain
-3.4
D
REVEL
Uncertain
0.31
Sift
Uncertain
0.0070
D
Sift4G
Uncertain
0.018
D
Polyphen
1.0
D
Vest4
0.50
MVP
0.77
MPC
0.35
ClinPred
0.74
D
GERP RS
5.8
Varity_R
0.35
gMVP
0.20

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: rs150365821; hg19: chr12-96272047; API