6PAX:
reference: Crystal structure of the human Pax6 paired domain-DNA complex reveals specific roles for the linker region and carboxy-terminal subdomain in DNA binding., Xu HE, Rould MA, Xu W, Epstein JA, Maas RL, Pabo CO, Genes Dev 1999 May 15;13(10):1263-75. PMID: 10346815

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