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. 2009 Jul 31;5(7):e1000584. doi: 10.1371/journal.pgen.1000584

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Jun et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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(A) Examination of crystal structure of EPHA2 kinase domain reveals that Arg721 in αE forms a salt bridge with Asp872 in αI. (B) Concordant conservation of Arg721 and Asp872 in different members of human Eph kinases. Note that EPHA9 and EPHB5 are not present in human genome and are not shown. (C) The same residues are also concordantly conserved across different species.