2HQH image
Entry Detail
PDB ID:
2HQH
Keywords:
STRUCTURAL PROTEIN, PROTEIN BINDING
Title:
Crystal structure of p150Glued and CLIP-170
Biological Source:
Source Organism:
Homo sapiens
Host Organism:
Escherichia coli BL21(DE3)
PDB Version:
Deposition Date:
2006-07-18
Release Date:
2007-08-21
Method Details:
Experimental Method:
X-RAY DIFFRACTION
Resolution:
1.80 Å
R-Value Free:
0.21
R-Value Work:
0.19
Space Group:
P 42 21 2
2HQH validation report
Macromolecular Entities
Protein Blast
Polymer Type:polypeptide(L)
Description:Dynactin-1
Chain IDs:A, B, C, D
Chain Length:93
Number of Molecules:4
Biological Source:Homo sapiens
UniProt ID:Q14203 Pfam ID:PF01302
Protein Blast
Polymer Type:polypeptide(L)
Description:Restin
Chain IDs:E, F, G, H
Chain Length:25
Number of Molecules:4
Biological Source:Homo sapiens
UniProt ID:P30622 Pfam ID:PF16641
Ligand Molecules
ZN
Primary Citation
CLIP170 autoinhibition mimics intermolecular interactions with p150Glued or EB1.
Nat.Struct.Mol.Biol. 14 980 981 (2007)
PMID: 17828275 DOI: 10.1038/nsmb1299

Abstact

CLIP170 and p150(Glued) localize to the plus ends of growing microtubules. Using crystallography and NMR, we show that autoinhibitory interactions within CLIP170 use the same binding determinants as CLIP170's intermolecular interactions with p150(Glued). These interactions have both similar and distinct features when compared with the p150(Glued)-EB1 complex. Our data thus demonstrate that regulation of microtubule dynamics by plus end-tracking proteins (+TIPs) occurs through direct competition between homologous binding interfaces.

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Primary Citation of related structures
1TXQ