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GeneE
2 sources retrieved Β· Most recent: April 2026 Β· Index updated 15 days ago
β“˜GeneE is for informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment.
CPLANE2
ciliogenesis and planar polarity effector complex subunit 2
Chromosome 1 Β· 1p36.13
NCBI Gene: 79363Ensembl: ENSG00000132881.13HGNC: HGNC:28127UniProt: Q9BU20
15PubMed Papers
0Diseases
0Drugs
0Pathogenic Variants
FUNCTIONAL ROLE
Transporter
DATA QUALITY
βœ“ Experimental GO Evidenceβœ“ Swiss-Prot Reviewed
protein bindingcentrioleciliary transition zoneciliary basal body
✦AI Summary

Based on limited published evidence, CPLANE2 is required for efficient primary cilia initiation by regulating late-stage cilia assembly steps, including mother centriole maturation and ciliary vesicle development 1. The protein facilitates axoneme extension through GTP-dependent interactions with CPLANE complex members and transition zone protein Fam92 1. CPLANE2 variants cause human ciliopathy presenting as Oral-Facial-Digital Syndrome, disrupting basal body docking and intraflagellar transport protein recruitment 1. The protein localizes to ciliary basal bodies and transition zones, regulating vesicle fusion and axoneme assembly through GTPase signaling.

Sources cited
1
CPLANE2/RSG1 variants cause human ciliopathy; protein required for basal body docking, intraflagellar transport recruitment, and transition zone architecture through GTP-dependent binding to CPLANE and Fam92
PMID: 39386566
⚠Limited data available β€” This gene has 1 indexed publication. Summary and analysis may be incomplete.
Pathogenic Variants
No pathogenic variants reported on ClinVar for this gene.
View on ClinVar β†—
Related Genes
FUZProtein interaction99%INTUProtein interaction93%WDPCPProtein interaction93%SPAG16Shared pathway50%SEPTIN1Shared pathway40%HOATZShared pathway33%
Tissue Expression

No tissue expression data available for this gene.

Gene Interaction Network
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CPLANE2FUZINTUWDPCPSPAG16SEPTIN1HOATZ
PROTEIN STRUCTURE
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AlphaFoldAI-predicted Β· UniProt Q9BU20
View on AlphaFold β†—
Constraintβ“˜
LOEUFβ“˜
1.65LoF Tolerant
pLIβ“˜
0.00Tolerant
Observed/Expected LoF1.19 [0.86–1.65]
RankingsWhere CPLANE2 stands among ~20K protein-coding genes
  • #15,526of 20,598
    Most Researched15
  • #15,903of 17,882
    Most Constrained (LOEUF)1.65
Genes detectedCPLANE2
Sources retrieved2 papers
Response timeβ€”
πŸ“„ Sources
2
1
The human ciliopathy protein RSG1 links the CPLANE complex to transition zone architecture.
PMID: 39386566
bioRxiv Β· 2024
1.00
2
The human ciliopathy protein RSG1 links the CPLANE complex to transition zone architecture.
PMID: 40593758
Nat Commun Β· 2025
0.50