PF24760

IF140 C-terminal TPR domain

Pfam entry
Member databasePfam
Pfam typerepeat
Short nameTPR_IF140_C
ClanTPR
Author Chuguransky S;0000-0002-0520-0736
Sequence Ontology0001068

Description

IFT140 is one of the core components (together with WDR19/IFT144 and IFT122) of the IFT-A complex which is required for retrograde ciliary transport and entry into cilia of G protein-coupled receptors (GPCRs), being involved in cilia function and/or assembly
[1, 2]
. IFT-A polymerises interacts with IFT-B, and uses an array of beta-propeller and TPR domains to create 'carriages' of the IFT train that engage TULP adaptor proteins
[2]
. The beta-propeller domains of IFT140 contact the beta-propeller domains of IFT121 from the adjacent complex
[1]
. This entry represents the TPR domain found at the C-terminal of IFT140.

References

1.IFT-A structure reveals carriages for membrane protein transport into cilia. Hesketh SJ, Mukhopadhyay AG, Nakamura D, Toropova K, Roberts AJ. Cell 185, 4971-4985.e16, (2022). View articlePMID: 36462505

2.TULP3 bridges the IFT-A complex and membrane phosphoinositides to promote trafficking of G protein-coupled receptors into primary cilia. Mukhopadhyay S, Wen X, Chih B, Nelson CD, Lane WS, Scales SJ, Jackson PK. Genes Dev. 24, 2180-93, (2010). View articlePMID: 20889716

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