Hmm - when I try to read Therm_tRNA into the CCP4I2 GUI it says

Cordinate file failed vaildation test!
Not sure what that test is but will ask around..
e

On 10 September 2018 at 12:15, Carter, Charlie <car...@med.unc.edu> wrote:

> Eleanor,
>
> I’ll check into the tRNA TER cards. I have probably experienced
> difficulties with them before, so that may solve one of the problems, but
> not, I think, the other.
>
> Here are two pdb files from the pymol session. Ecoli_HSS_rot.pdb is the
> target structure; Stau_urz_rot.pdb is the result output for the input
> Stau_urz.pdb file. As you can see, even though the residues are, as far as
> I can tell correctly indicated, the rotated file is off by about 90 degrees.
>
> Many thanks for any help.
>
> Charlie
>
>
>
> On Sep 10, 2018, at 5:36 AM, Eleanor Dodson <eleanor.dod...@york.ac.uk
> <eleanor.dod...@york.ac.uk>> wrote:
>
> Charlie - I will try to check this, but cant read your pse file - can you
> find another format?
>
> Thanks Eleanor
>
> On 8 September 2018 at 12:28, Carter, Charlie <car...@med.unc.edu> wrote:
>
> Hi folks,
>
> I continue to use lsqkab because it offers unique flexibility and features
> appropriate to what I do.
>
> Currently, I’ve a project that requires such superposition and for that I
> created from the original pdb files a set of monomeric pdb files that have
> already been superposed by POSA. The POSA alignment used all the residues,
> and I want to orient only a subset that is structurally invariant, in order
> to identify possible interdomain motions.
>
> There are ten such files; eight appear to work properly and have aligned.
> The other two give one or another of two pathologies. The first appears
> simply to get confused and output a rotated coordinate file that appears to
> be ~90 degrees off, despite the fact that the residue numbering is correct
> (see attached .pse file in which three _Urz coordinate sets are
> illustrated, which were superimposed on Ecoli_Urz. The Ttherm_H file is
> correctly rotated; the Stau_LF file is not.).
>
> I decided to try to rotate the two files into an intermediate orientation
> that gave a satisfactory result, i.e. Ttherm_H. The first attempt at this
> involved a second problematic file, Ttherm_tRNA. LSQKSB gave the following
> error message, which instructs me to contact the developers. The
> problematic pdb file, Ttherm_tRNA.pdb, is also attached.
>
>
> * *** RWBROOK error: point code unit    function*
> * ***                    1 -102    2    MMDB_F_Atom*
> * *** file   : Ttherm_tRNA_rot.pdb*
> * *** reason : internal error #2 -- report to developer*
> * *** Execution stopped.*
>
> I should note that I am still using the following version of the software:
>
> source  /usr/local/bin/ccp4-7.0/include/ccp4.setup
>
> The commands in my script are:
>
> #source  /usr/local/bin/ccp4-7.0/include/ccp4.setup
> lsqkab XYZINM $1 XYZINF $2 XYZOUT $1_rot.pdb << END-lsqkab
> FIT RESIDUE MAIN 8 TO 82
> MATCH 10 to 84
> FIT RESIDUE MAIN 83 TO 111
> MATCH 85 to 113
> FIT RESIDUE MAIN 122 TO 129
> MATCH 124 to 131
> OUTPUT XYZ
> END
> END-lsqkab
>
> Many thanks in advance for any help.
>
>
>
>
>
>

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