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Figure 2
Structure overview and representative electron density for StARD3LBD. (a) The Cα trace of StARD3 is shown along with surfaces for key structural features: the omega loop (Ω1, lemon), portal 1 (P1, lime), portal 2 (P2, cyan) and solvent molecules located inside the cavity (red spheres inside gray molecular surfaces). (b) A stereoview of electron density and protein structure at portal 1 is shown. Electron density was calculated as a simulated-annealing composite OMIT map with 2|Fo| − |Fc| coefficients and is contoured at 1.1σ. Map color indicates residues belonging to the omega loop (lemon), portal 1 (lime) and tunnel solvent (blue). Both conformations of the omega loop are shown (Ω1-a and Ω1-b). Residues lining portal 1 are labeled (Thr313, Ala335, Gly336, Val342, Ser422 and Thr426).

ISSN: 2053-230X
Volume 72| Part 8| August 2016| Pages 609-618
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