REL PDBe PDBe PDBe 2014-07-03 2014-07-09 2015-03-04 2016-02-17 VipA/VipB, contractile sheath of the type VI secretion system Kudryashev M Wang R Brackmann M Scherer S Maier T DiMaio F Baker D Stahlberg H Egelman EH Basler M VipA, VipB, Vibrio, T6SS, cryo-EM, sheath Kudryashev M Wang RY Brackmann M Scherer S Maier T Baker D DiMaio F Stahlberg H Egelman EH Basler M Structure of the type VI secretion system contractile sheath. CELL(CAMBRIDGE,MASS.) 160 952 962 2015 25723169 doi:10.1016/j.cell.2015.01.037 3j9g FULLOVERLAP Native VipA/B sheath purified from Vibrio cholerae Native VipA/B sheath purified from Vibrio cholerae heterodimer of VipA and VipB assembled in a helix 2 VipA Vibrio cholerae O1 biovar El Tor str. N16961 N16961 cytoplasm 0.074 helix built of heterodimers false Q9KN57 VipB Vibrio cholerae O1 biovar El Tor str. N16961 N16961 cytoplasm 0.074 helix built of heterodimers false Q9KN57 helical helicalArray 0.1 7.4
PBS
Quantifoil holey carbon grids
 ETHANE FEI VITROBOT MARK IV Blot for 1.5 seconds before plunging
native polymer
 FEI TITAN KRIOS FLOOD BEAM BRIGHT FIELD FIELD EMISSION GUN 300 2.7 0.4 2.0 29000.0 29000.0 FEI TITAN KRIOS AUTOGRID HOLDER Was corrected manually at high magnification 0 2013-11-15 GATAN K2 (4k x 4k) 72 30
Images were collected in dose fractionation mode and further aligned by Li and Cheng's algorithm in real time using the 2dx_automator
 -5 5
We used Iterative Helical Real Space Reconstruction methodology(IHRSR)
21.8 29.4 C6 OTHER 3.5 OTHER 2dx_automator, Ctffind, Helixboxer, IHRSR/Spider
Resolution was detected by Resmap, it varied from 3.2 A in well ordered parts till 5 A outside of the helix.
Ctffind for each micrograph
 emd_2699.map.gz 1 IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES) 600 600 200 -300 -300 -99 600 600 200 300.0 300.0 100.0 90.0 90.0 90.0 X Y Z -553.858886719999987 760.908996580000007 -99.09090424 111.769683839999999 0.5 0.5 0.5 120.0 AUTHOR Structure of the native helical assembly isolated from Vibrio cholerae
::::EMDATABANK.org::::EMD-2699::::