3ZUW:
reference: Mechanism of Recombination of the P(+)H(A)(-) Radical Pair in Mutant Rhodobacter sphaeroides Reaction Centers with Modified Free Energy Gaps Between P(+)B(A)(-) and P(+)H(A)(-)., Gibasiewicz K, Pajzderska M, Potter JA, Fyfe PK, Dobek A, Brettel K, Jones MR, J Phys Chem B. 2011 Nov 10;115(44):13037-50. Epub 2011 Oct 18. PMID: 21970763

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