3QY6:
reference: Crystal structures of YwqE from Bacillus subtilis and CpsB from Streptococcus pneumoniae, unique metal-dependent tyrosine phosphatases., Kim HS, Lee SJ, Yoon HJ, An DR, Kim DJ, Kim SJ, Suh SW, J Struct Biol. 2011 May 14. PMID: 21605684

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