1LWT: Crystal Structure Of The Intein Homing Endonuclease Pi-Scei Bound To Its Substrate Dna (Ca2+ Free)
reference: Crystal structure of the intein homing endonuclease PI-SceI bound to its recognition sequence., Moure CM, Gimble FS, Quiocho FA, Nat Struct Biol 2002 Oct;9(10):764-70. PMID: 12219083

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