15-89628507-G-T

Position:

• chr15-89628507-G-T

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2 BP4

The NM_198525.3(KIF7):​c.3944C>A​(p.Pro1315His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000685 in 1,460,692 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/21 in silico tools predict a benign 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. P1315L) has been classified as Likely benign.

• Frequency:
  • Genomes: not found (cov: 32)
  • Exomes 𝑓: 6.8e-7 (0 hom.)
• Consequence: KIF7 NM_198525.3 missense
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 2.85

Genes affected

KIF7 (HGNC:30497): (kinesin family member 7) This gene encodes a cilia-associated protein belonging to the kinesin family. This protein plays a role in the sonic hedgehog (SHH) signaling pathway through the regulation of GLI transcription factors. It functions as a negative regulator of the SHH pathway by preventing inappropriate activation of GLI2 in the absence of ligand, and as a positive regulator by preventing the processing of GLI3 into its repressor form. Mutations in this gene have been associated with various ciliopathies. [provided by RefSeq, Oct 2011]

TICRR (HGNC:28704): (TOPBP1 interacting checkpoint and replication regulator) Enables chromatin binding activity. Involved in regulation of DNA-dependent DNA replication initiation. Located in cytosol and nucleoplasm. [provided by Alliance of Genome Resources, Apr 2022]

KIF7 (HGNC:):

ACMG classification

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=0.27115005).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
KIF7	NM_198525.3	c.3944C>A	p.Pro1315His	missense_variant	19/19	ENST00000394412.8	NP_940927.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
KIF7	ENST00000394412.8	c.3944C>A	p.Pro1315His	missense_variant	19/19	5	NM_198525.3	ENSP00000377934.3

Frequencies

GnomAD3 genomes Cov.: 32

GnomAD4 exome AF: 6.85e-7 AC: 1 AN: 1460692 Hom.: 0 Cov.: 31 AF XY: 0.00000138 AC XY: 1 AN XY: 726656

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

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.11
BayesDel_addAF	Benign	-0.12	T
BayesDel_noAF	Benign	-0.41
CADD	Benign	20
DANN	Benign	0.95
DEOGEN2	Benign	0.21	T
Eigen	Benign	0.16
Eigen_PC	Uncertain	0.22
FATHMM_MKL	Uncertain	0.95	D
LIST_S2	Benign	0.66	T
M_CAP	Uncertain	0.11	D
MetaRNN	Benign	0.27	T
MetaSVM	Benign	-0.72	T
MutationAssessor	Uncertain	2.0	M
PrimateAI	Uncertain	0.49	T
PROVEAN	Benign	-2.1	N
REVEL	Benign	0.12
Sift	Benign	0.18	T
Sift4G	Benign	0.25	T
Polyphen		0.86	P
Vest4		0.12
MutPred		0.26		Gain of MoRF binding (P = 0.0526);
MVP		0.67
MPC		0.021
ClinPred		0.34	T
GERP RS		5.3
Varity_R		0.12
gMVP		0.17

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

Other links and lift over

dbSNP: rs150248985; hg19: chr15-90171738;