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Keywords from Image Description:
PDB sqx EBI. All alpha proteins Cytochrome Cytochrome Cytochrome bc domain Cytochrome bc domain Membrane and cell surface proteins and peptides Single transmembrane helix Cytochrome subunit of cytochrome bc complex Ubiquinolcytochrome reductase transmembrane anchor Cytochrome subunit of cytochrome bc complex Ubiquinolcytochrome reductase