12-6514831-T-A

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_014865.4(NCAPD2):​c.898T>A​(p.Phe300Ile) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,894 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 Uncertain significance (★).

Frequency

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

Consequence

NCAPD2
NM_014865.4 missense

Scores

1
5
13

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.34
Variant links:
Genes affected
NCAPD2 (HGNC:24305): (non-SMC condensin I complex subunit D2) Enables histone binding activity. Involved in mitotic chromosome condensation. Located in condensed chromosome; cytosol; and nucleoplasm. Part of condensin complex. Colocalizes with cytoplasm and nuclear chromosome. Implicated in primary autosomal recessive microcephaly. [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 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.27640912).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
NCAPD2NM_014865.4 linkuse as main transcriptc.898T>A p.Phe300Ile missense_variant 9/32 ENST00000315579.10

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
NCAPD2ENST00000315579.10 linkuse as main transcriptc.898T>A p.Phe300Ile missense_variant 9/321 NM_014865.4 P1
NCAPD2ENST00000382457.8 linkuse as main transcriptc.514T>A p.Phe172Ile missense_variant 6/215
NCAPD2ENST00000545732.1 linkuse as main transcriptn.410T>A non_coding_transcript_exon_variant 3/45
NCAPD2ENST00000539084.5 linkuse as main transcriptc.*593T>A 3_prime_UTR_variant, NMD_transcript_variant 8/312

Frequencies

GnomAD3 genomes
Cov.:
32
GnomAD4 exome
AF:
6.84e-7
AC:
1
AN:
1461894
Hom.:
0
Cov.:
33
AF XY:
0.00
AC XY:
0
AN XY:
727248
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:
0.00
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
Cov.:
32

ClinVar

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

Submissions by phenotype

Inborn genetic diseases Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsDec 13, 2022The c.898T>A (p.F300I) alteration is located in exon 9 (coding exon 8) of the NCAPD2 gene. This alteration results from a T to A substitution at nucleotide position 898, causing the phenylalanine (F) at amino acid position 300 to be replaced by an isoleucine (I). 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
0.20
BayesDel_addAF
Benign
-0.092
T
BayesDel_noAF
Benign
-0.37
CADD
Uncertain
23
DANN
Uncertain
0.98
DEOGEN2
Benign
0.17
T;T
Eigen
Benign
-0.0036
Eigen_PC
Benign
0.20
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.88
D;D
M_CAP
Benign
0.011
T
MetaRNN
Benign
0.28
T;T
MetaSVM
Benign
-0.96
T
MutationAssessor
Benign
1.1
L;.
MutationTaster
Benign
1.0
D;D
PrimateAI
Uncertain
0.57
T
PROVEAN
Uncertain
-2.8
D;D
REVEL
Benign
0.14
Sift
Uncertain
0.0050
D;T
Sift4G
Benign
0.29
T;T
Polyphen
0.12
B;.
Vest4
0.59
MutPred
0.50
Gain of catalytic residue at F303 (P = 0.0166);.;
MVP
0.28
MPC
0.29
ClinPred
0.87
D
GERP RS
5.6
Varity_R
0.33
gMVP
0.59

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

No publications associated with this variant yet.

Other links and lift over

hg19: chr12-6623997; API