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(a) Positions of Tyr25, Tyr30 and Tyr133 in relation to the heme.
(b) Tyr30 located in the distal heme pocket.
(c) Tyr133 in the edge of the heme, showing in both cases the distance between the Tyr hydroxyl and the oxoferryl. The GmLba crystal structure (PDB accession 1BIN) was used for modeling with PyMOL software (www.pmol.org).
