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Disulfide bonding patterns in Hj_Cel5A. (A) Cartoon representation of the protein highlighting positions of the four intramolecular disulfide bonds detected in the electron density. (B) Fo-Fc cysteine sidechain omit maps contoured to 5 σ. Sidechain atoms from the Cβ to the end of the sidechain were deleted from the model before map generation.
