1DEU: Crystal Structure Of Human Procathepsin X: A Cysteine Protea The Proregion Covalently Linked To The Active Site Cysteine
reference: Crystal structure of human procathepsin X: a cysteine protease with the proregion covalently linked to the active site cysteine., Sivaraman J, Nagler DK, Zhang R, Menard R, Cygler M, J Mol Biol 2000 Jan 28;295(4):939-51. PMID: 10656802

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