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Molecular Dimensions/Crystallophore No 1 (small vial, 0.3mg)/MD2-82
FORMING
CrystallophoreNo1actsasanucleatingagentandimprovescrystalqualityofpre-existinghits.AsshownrightforT5phagewithandwithoutCrystallophoreNo1(topright).
FINDING
CrystallophoreNo1luminescesstronglyinthevisIBLeregionunderUVexcitationmakingdetectingcrystalsindropsandloopseasy.Seemiddleright.
PHASING
TerbiumisalanthanideandthereforehassignificantpotentialforuseasananomalousscattererandintrADItionalisomorphousreplacement.WhenCrystallophoreNo1hasbeenusedasanucleant,itisoftenfoundboundtotheproteinthusprovidinghighqualityphasingpower.
NEXTSTEPS
Tohelpyoubuildthestructureyoucandownloadthepdborcifformatco-ordinatefilesfortheCrystallophoreNo1complex.KindlyprovidedbyPolyvalan.
READALLABOUTIT
ThedevelopmentworkleadingtoCrystallophoreNo1hasnowbeenpublishedin:
Engilberge,S.,Riobé,F.,DiPietro,S.,Lassalle,L.,Coquelle,N.,Arnaud,C.-A.,Pitrat,D.,Mulatier,J.-C.,Madern,D.,Breyton,C.,Maury,O.andGirard,E.Crystallophore:aversatilelanthanidecomplexforproteincrystallographycombiningnucleatingeffect,phasingpropertiesandluminescence.ChemicalScience8:5909-5917(2017).
(bottomright)P.horikoshiiProtease1electrondensityfromSADphasingusingtheTerbiumLIIIabsorptionedge.Crystalgrownin10mMandsubsequentlysoakedin100mMcrystallophoreNo1.
Eachsmallvialccontains0.3mgofthecomplex,enoughtosetup596-wellplatesofyourtargetproteinincomplexwith10mMCrystallophoreNo1(recommendedconcentration).Shippedatroomtemperature.Thedrypowderwillkeepforupto1yearinasealedtubeatroomtemperatureindryconditions.SolutionsofCrystallophoreNo1canbekeptforupto2monthsinasealedtube.Solutionsofthecompoundmixedwithyourtargetproteinshouldbeusedimmediately.