| 2FHX: reference: Crystal Structure of Pseudomonas aeruginosa SPM-1 Provides Insights into Variable Zinc Affinity of Metallo-beta-lactamases., Murphy TA, Catto LE, Halford SE, Hadfield AT, Minor W, Walsh TR, Spencer J, J Mol Biol. 2006 Mar 31;357(3):890-903. Epub 2006 Jan 23. PMID: 16460758 |
This OCA 
Structure page
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(documentation).