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Figure 11 | BMC Structural Biology

Figure 11

From: Prediction of transmembrane helix orientation in polytopic membrane proteins

Figure 11

Packing of PetG and PetM subunits in cytochrome b 6 f complex. (A) AGG triplet is formed by highly conserved residues Gly8 and Gly12 from PetG and Ala70 from PetM in 1Q90 structure. (B-D) Structurally similar AGG triplets are found in glycerol facilitator (1FX8), photosystem I (1JB0), and ClC Cl- chloride channel (1KPL). (E) Sequence logo of the PetG subunit (21 sequences, pairwise sequence identity 46%–89%).

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