|
Computationally determined sites of probable lipid binding. A matrix algorithm [11] was used to identify probable lipid-binding sites in the following cytoskeletal proteins; α-actinin [14], Arp2 [16], CapZβ-1 (submitted, TBMM), Talin [12-13, 121] and Vinculin [14]. In-vitro experimental support for the computationally predicted sites for α-Actinin, Arp2, Talin, and Vinculin (site 935–978) was obtained from a variety of techniques including hydrophobic labeling, differential scanning calorimetry (DSC), Langmuir Blodgett (film balance), T-jump, CD spectroscopy, cryo-electron microscopy (EM), FTIR, and isothermal titration calorimetry. |
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| Protein |
Sequence Residues |
Species |
Sequence |
Experimental (in-vitro) Validation |
|
|
||||
| α-actinin |
281–300 |
Gallus gallus |
EKLASDLLEWIRRTIPWLEN Residues (287–306) of 1HCI |
DSC, Centrifugation, SDS-PAGE [14] |
| 720–739 |
Gallus gallus |
QLLTTIARTINEVENQILTR Residues (726–745) of 1HCI |
DSC, Centrifugation, SDS-PAGE [14] |
|
| Arp2 |
185–202 |
A. castellanii |
RDVTRYLIKLLLLRGYVF |
DSC, Film Balance, Temperature Jump [16] |
| CapZβ-1 |
134–151 |
Homo sapiens |
IKKAGDGSKKIKGCWDSI |
No data |
| 215–232 |
Homo sapiens |
RLVEDMENKIRSTLNEIY |
No data |
|
| Talin |
385–406 |
M. musculatus |
GEQIAQLIAGYIDIILKKKKSK |
Isothermal Titration Calorimetry, Monolayer Expansion, CD-spectroscopy [15]; FTIR [86] Resonance energy transfer, Cryo-EM [90] |
| Vinculin |
935–978 |
Gallus gallus |
RLVRGGSGNKRALIQCAKDIAKASDEVT RLAKEVAKQCTDKRIR |
Co-sedimentation, Hydrophobic Photolabeling [102] |
| 1020–1040 |
Gallus gallus |
TEMLVHNAQNLMQSVKETVRE |
No data |
|
| 1052–1066 |
Homo sapiens |
AGFTLRWVRKTPWYQ |
No data |
|
Scott et al. Theoretical Biology and Medical Modelling 2006 3:17 doi:10.1186/1742-4682-3-17 |
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