Is KIF7 p.Ile1007= (c.3021C>T) pathogenic?

KIF7 p.Ile1007= (c.3021C>T) is classified Conflicting classifications of pathogenicity in KIF7 (ClinVar, Conflicting submitters, 5 submitters; last evaluated 2025-09-30). Ultra-rare (popmax 0.061%, amr); Associated with acrocallosal syndrome.

What condition is associated with KIF7 p.Ile1007= (c.3021C>T)?

KIF7 p.Ile1007= (c.3021C>T) is associated with acrocallosal syndrome (ClinVar).

How common is KIF7 p.Ile1007= (c.3021C>T) in the general population?

KIF7 p.Ile1007= (c.3021C>T) is ultra-rare (popmax 0.061%, amr) (gnomAD).

KIF7 p.Ile1007=

c.3021C>T · rs142488318 · VCV96654

Conflicting classifications of pathogenicity Conflicting submitters

Classification

Conflicting classifications of pathogenicity

ClinVar

Review

Conflicting submitters ★☆☆☆

ClinVar · 5 submitters

gnomAD v4.1

Rare

ultra-rare (popmax 0.061%, amr)

Conditions

acrocallosal syndrome

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP -3.8	GERP -4.5
Overall
CADD	1.266	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.061% Admixed American · 33/54,120 alleles

Filtering AF 0.0446% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0389%

Overall 0.0135% 211/1,565,798 alleles · ultra-rare exomes 163/1,413,490 · genomes 48/152,308 · joint denominator

Ancestry group	Frequency	1 in
Admixed Americangrpmax	0.061%	1,640
African / African-American	0.0366%	2,731
European (non-Finnish)	0.0126%	7,906
Remaining individualsnot grpmax-eligible	0.00496%	20,176
East Asian	0.00237%	42,150
South Asian	0.00117%	85,406

Rarity supports pathogenicity (ACMG PM2); frequency above a disease-specific BA1/BS1 threshold argues against it. A variant frequent in one ancestry group can be near-absent in others, so a single global figure can mislead.

Variant & gene context

Gene: KIF7
Protein: p.Ile1007=
Coding: c.3021C>T
MANE Select: NM_198525
dbSNP: rs142488318
Type: single nucleotide variant
Location: chr15:89631585 (GRCh38)
Gene constraint: LOEUF 1.038 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure: AlphaFold pLDDT 68.07 · 5 PDB
Residue 1007: the 'interaction with smo' region

Full KIF7 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

acrocallosal syndrome — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

KIF7 c.1443+2T>C Likely pathogenic ★★ same condition
KIF7 c.1561-1G>A Likely pathogenic ★★ same condition
KIF7 c.1789-2A>G Likely pathogenic ★★ same condition
KIF7 c.2593-3C>G Pathogenic ★★ same condition
KIF7 c.328+2T>G Pathogenic/Likely pathogenic ★★ same condition
KIF7 c.3518-1G>C Likely pathogenic ★★ same condition
KIF7 c.923+2T>G Likely pathogenic ★★ same condition
KIF7 p.Arg1111Ter Pathogenic ★★ same condition

Built on 18 open, versioned datasets — ClinVar, gnomAD, AlphaMissense, REVEL, ClinGen & more — plus Sugi Variant's own cross-source analysis. Source data 2026-01–2026-10, ClinVar 2026-10. Full sources & versions →

Cite Sugi Variant

Gür T. Sugi Variant: A Deterministic Per-Variant Germline Reference from a Knowledge Graph for Humans and AI Agents. 2026. doi:10.5281/zenodo.21509445. This variant: https://sugi.bio/variant/kif7-p-ile1007 (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown