8aab is a 1 chain structure with sequence from Synthetic construct. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
↑ Wiedenmann J, Schenk A, Rocker C, Girod A, Spindler KD, Nienhaus GU. A far-red fluorescent protein with fast maturation and reduced oligomerization tendency from Entacmaea quadricolor (Anthozoa, Actinaria). Proc Natl Acad Sci U S A. 2002 Sep 3;99(18):11646-51. Epub 2002 Aug 15. PMID:12185250 doi:http://dx.doi.org/10.1073/pnas.182157199