REL RCSB RCSB RCSB 2013-05-16 2013-06-26 2013-07-03 2013-09-04 CryoEM Structure of the KaiBC Complex Villarreal SA Pattanayek R Williams DR Mori T Qin X Johnson CH Egli M Stewart PL Circadian oscillator, cryoEM, MDFF, protein-protein interface, Synechococcus elongatus Villarreal SA Pattanayek R Williams DR Mori T Qin X Johnson CH Egli M Stewart PL CryoEM and molecular dynamics of the circadian KaiB-KaiC complex indicates that KaiB monomers interact with KaiC and block ATP binding clefts. J.MOL.BIOL. 425 3311 3324 2013 23796516 doi:10.1016/j.jmb.2013.06.018 KaiB in complex with KaiC(489del) KaiB in complex with KaiC(489del)
Visualization of the sample showed complexes of KaiBC and KaiC.
One Hexamer of KaiC binds to 6 monomers of KaiB 2 0.51 KaiB Synechococcus elongatus PCC 7942 Cytoplasm 0.012 6 Dimer true Escherichia coli Q79PF5 GO:3773505 IPR013474 KaiC Synechococcus elongatus PCC 7942 Cytoplasm 0.34
C terminal truncation of KaiC at 489
1 Hexamer true Escherichia coli Q79PF4 GO:3773504 IPR013503 singleParticle particle
20 mM HEPES-NaOH, pH 8.0, 150 mM NaCl, 5 mM MgCl2, 0.5 mM EDTA
homemade holey carbon film and C-flat grids (Protochips, Inc.)
 ETHANE 184 HOMEMADE PLUNGER FEI POLARA 300 FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 2.26 -1.0 -5.0 200000.0 254669.0 OTHER 98 105 101 2010-06-02 GATAN ULTRASCAN 4000 (4k x 4k) 11734 16.
The particles were selected manually.
Each micrograph
 OTHER 16.0 FSC 0.5 CUT-OFF FREALIGN, Rubinstein_2_Refinement_package, IMAGIC
Final map was calculated from 3 data sets.
195226 2000 emd_5672.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 80 80 80 40 40 40 80 80 80 185.59999 185.59999 185.59999 90.0 90.0 90.0 X Y Z -0.10229599 0.245758 0.0020918 0.04392396 2.32 2.32 2.32 0.0877 AUTHOR Reconstruction of KaiB-KaiC(489 deletion)
::::EMDATABANK.org::::EMD-5672::::