NM_001286496.2:c.1700T>C

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 0P and 0B.

The NM_001286496.2(PIF1):​c.1700T>C​(p.Ile567Thr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000516 in 1,607,396 control chromosomes in the GnomAD database, including 1 homozygotes. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000092 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000047 ( 1 hom. )

Consequence

PIF1
NM_001286496.2 missense

Scores

7
8
3

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 9.32

Publications

1 publications found
Variant links:
Genes affected
PIF1 (HGNC:26220): (PIF1 5'-to-3' DNA helicase) This gene encodes a DNA-dependent adenosine triphosphate (ATP)-metabolizing enzyme that functions as a 5' to 3' DNA helicase. The encoded protein can resolve G-quadruplex structures and RNA-DNA hybrids at the ends of chromosomes. It also prevents telomere elongation by inhibiting the actions of telomerase. Alternative splicing and the use of alternative start codons results in multiple isoforms that are differentially localized to either the mitochondria or the nucleus. [provided by RefSeq, Nov 2013]

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001286496.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
PIF1
NM_001286496.2
MANE Select
c.1700T>Cp.Ile567Thr
missense
Exon 12 of 13NP_001273425.1Q9H611-1
PIF1
NM_001286497.2
c.1700T>Cp.Ile567Thr
missense
Exon 12 of 13NP_001273426.1Q9H611-3
PIF1
NM_025049.4
c.1700T>Cp.Ile567Thr
missense
Exon 12 of 13NP_079325.2Q9H611-1

Ensembl Transcripts

Sel.
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
PIF1
ENST00000559239.2
TSL:1 MANE Select
c.1700T>Cp.Ile567Thr
missense
Exon 12 of 13ENSP00000452792.1Q9H611-1
PIF1
ENST00000333425.10
TSL:1
c.1700T>Cp.Ile567Thr
missense
Exon 12 of 13ENSP00000328174.6Q9H611-3
PIF1
ENST00000268043.8
TSL:1
c.1700T>Cp.Ile567Thr
missense
Exon 12 of 13ENSP00000268043.4Q9H611-1

Frequencies

GnomAD3 genomes
AF:
0.0000920
AC:
14
AN:
152246
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.000217
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000654
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000577
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.000478
GnomAD2 exomes
AF:
0.0000661
AC:
16
AN:
242068
AF XY:
0.0000607
show subpopulations
Gnomad AFR exome
AF:
0.000129
Gnomad AMR exome
AF:
0.0000618
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000557
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000339
GnomAD4 exome
AF:
0.0000474
AC:
69
AN:
1455150
Hom.:
1
Cov.:
32
AF XY:
0.0000359
AC XY:
26
AN XY:
723830
show subpopulations
African (AFR)
AF:
0.0000905
AC:
3
AN:
33132
American (AMR)
AF:
0.0000468
AC:
2
AN:
42756
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25842
East Asian (EAS)
AF:
0.000303
AC:
12
AN:
39634
South Asian (SAS)
AF:
0.00
AC:
0
AN:
85778
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
52780
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5724
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1109446
Other (OTH)
AF:
0.000866
AC:
52
AN:
60058
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.493
Heterozygous variant carriers
0
4
8
12
16
20
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000920
AC:
14
AN:
152246
Hom.:
0
Cov.:
33
AF XY:
0.0000807
AC XY:
6
AN XY:
74386
show subpopulations
African (AFR)
AF:
0.000217
AC:
9
AN:
41476
American (AMR)
AF:
0.0000654
AC:
1
AN:
15286
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.000577
AC:
3
AN:
5198
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4834
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10630
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
316
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68034
Other (OTH)
AF:
0.000478
AC:
1
AN:
2094
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.564
Heterozygous variant carriers
0
1
2
2
3
4
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.000177
Hom.:
0
Bravo
AF:
0.000140
ESP6500AA
AF:
0.000227
AC:
1
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.0000742
AC:
9
Asia WGS
AF:
0.00318
AC:
11
AN:
3478

ClinVar

ClinVar submissions
Significance:Uncertain significance
Revision:criteria provided, single submitter
View on ClinVar
Pathogenic
VUS
Benign
Condition
-
1
-
not specified (1)

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.79
BayesDel_addAF
Uncertain
0.037
T
BayesDel_noAF
Pathogenic
0.17
CADD
Pathogenic
27
DANN
Uncertain
1.0
DEOGEN2
Uncertain
0.42
T
Eigen
Pathogenic
0.79
Eigen_PC
Pathogenic
0.80
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.95
D
M_CAP
Benign
0.047
D
MetaRNN
Uncertain
0.66
D
MetaSVM
Benign
-0.54
T
MutationAssessor
Uncertain
2.7
M
PhyloP100
9.3
PrimateAI
Pathogenic
0.80
D
PROVEAN
Uncertain
-3.5
D
REVEL
Pathogenic
0.69
Sift
Uncertain
0.0050
D
Sift4G
Benign
0.079
T
Polyphen
0.95
P
Vest4
0.87
MVP
0.56
MPC
0.27
ClinPred
0.70
D
GERP RS
5.7
Varity_R
0.69
gMVP
0.79
Mutation Taster
=15/85
disease causing

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

Other links and lift over

dbSNP: rs138069301; hg19: chr15-65108939; COSMIC: COSV51424363; COSMIC: COSV51424363; API