LociOiling Lv 1
The newly launched AA Edit 3.0 reveals this is PDB 1KCT.
The details:
Puzzle: 2607:Electron Density Reconstruction 117 segment count = 375 1 chains and ligands chain A (protein), segments 1-375, length = 375 hptfnkitpnlaefafslyrqlahqsnstniffspvsiaaafamlslgakgdthdeileglnfnlteipeaqihegfqellrtlnqpdsqlqlttgnglflseglklvdkfledvkklyhseaftvnfgdteeakkqindyvekgtqgkivdlvkeldrdtvfalvnyiffkgkwerpfevkdteeedfhvdqvttvkvpmmkrlgmfniqhckklsswvllmkylgnataifflpdegklqhlenelthdiitkflenedrrsaslhlpklsitgtydlksvlgqlgitkvfsngadlsgvteeaplklskavhkavltidekgteaagamfleaipmsippevkfnkpfvflmieqntksplfmgkvvnptqk