REL PDBe PDBe PDBe 2013-11-27 2014-01-08 2014-06-25 2014-07-23 Cryo EM structure of the contractile Type Six Secretion System VipA/B complex Kube S Kapitein N Zimniak T Herzog F Mogk A Wendler P Type Six secretion system, tail sheath structure, Vibro cholerae, VipA/B, gp18, helical, Kube S Kapitein N Zimniak T Herzog F Mogk A Wendler P Structure of the VipA/B Type VI Secretion Complex Suggests a Contraction-State-Specific Recycling Mechanism Cell Reports 8 20 30 2014 24953649 doi:10.1016/j.celrep.2014.05.034 VipA/B tubular complex in contracted state VipA/B tubular complex in contracted state
sample forms tubular complexes of varying length
VipA and VipB form heterodimer 2 VipA Vibrio cholerae O1 ATCC 39315 / El Tor Inaba N16961 cytoplasm 0.0185 heterodimer with VipB in helical array true Escherichia coli K-12 XL1 Blue pQE31 Q9KN58 GO:0008150 GO:0003674 GO:0005575 IPR008312 VipB Vibrio cholerae O1 ATCC 39315 / El Tor Inaba N16961 cytoplasm 0.0556 heterodimer with VipA in helical array true Escherichia coli K-12 XL1 Blue PQE31 Q9KN57 GO:0008150 GO:0003674 GO:0005575 IPR010269 helical filament 0.3 7.5
50mM Tris, 150 mM KCl, 10 mM MgCl2
Quantifoil R3/3 wit carbon support film, glow discharged
 ETHANE 100 FEI VITROBOT MARK IV blot for 3.5 seconds before plunging FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 200 2.7 1.0 4.5 75000.0 145821.0 FEI TITAN KRIOS AUTOGRID HOLDER 2013-01-16 TVIPS TEMCAM-F416 (4k x 4k) 15.6 12271 20 16.
Image were processed after an adapted protocol by Clare & Orlova, 2012 (JSB)
22.2 29.44 OTHER 5.8 OTHER IMAGIC, SPIDER, IHRSR
dataset was symmetrized before final reconstruction as described in Clare & Orlova, 2012 (JSB)
each particle
theta 20 degrees, phi 60 degrees
 emd_2524.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 420 420 420 -210 -210 -210 420 420 420 449.316 449.316 449.316 90.0 90.0 90.0 X Y Z -3.5601995 4.10327435 -0.02253236 0.22957116 1.0698 1.0698 1.0698 0.1 AUTHOR Helical reconstruction of contracted VipA/B type six secretion tubule
::::EMDATABANK.org::::EMD-2524::::
emd_2524.png