Error in Mutate Insert

From: Jawahar Swaminathan (jawahar@sbu.nii.ernet.in)
Date: Wed Mar 12 1997 - 03:46:20 CST


Dear O users,
We use O version 5.10.3 on a R4400 SGi Indigo Machine. We are having
problems in inserting residues and following it with the lego_loop
command. I have enclosed the error output in this mail to make the
situation clear. Can anyone suggest what may be going wrong with our
strategy of inserting amino acids inbetween a protein chain..?
With regards
Jawahar

O > zone 40 55 end
O > mutate_ins
Mut>  Mutate a molecule by inserting residues.
Mut> Molecule ([FIT2  ]) : 
Mut> After which residue: 45
Mut> New residue name and type (<cr> to end) : 45a val
Mut> New residue name and type (<cr> to end) : 
Mut>  There are     1 mutations
O > sel_on fit2
Sel> Residue range [all molecule]: 
O > sel_off fit2 45 47
O > lego_loop fit2 43 49
Lego> FIT2  43    49    FIT2
 Lego>  Number of selected atoms in zone is     4
 Lego>  The DB is now being loaded.
 Lego>  DGNL> Top matches
 Lego>  Protein   Start Res.    Score  Sequence
 Lego>    TLN_3        103        0.234 SVHYSQGY
 Lego>    PA           122        0.312 KVLDAVRG
 Lego>    PA             6        0.365 KVLDAVRG
 Lego>    FDX_1         28        0.373 YAIDADSC
 Lego>    CYT_4         31        0.388 NLWGLFGR
 Lego>    APP_2        308        0.411 VVFDSDGP
 Lego>    HCAC         101        0.419 GSEHTVDK
 Lego>    HCAC         143        0.543 FLKVGSAK
 Lego>    PA            86        0.548 FTANDSGP
 Lego>    PCY_1         81        0.551 SFYCSPHQ
 Lego>    C2C_3         31        0.574 NLFGVFEN
 Lego>    APP_2         88        0.582 DSVTVGGV
 Lego>    APP_2        163        0.595 GVYDFGFI
 Lego>    PA           202        0.608 FTANDSGP
 Lego>    APP_2        274        0.610 YGPSGDGS
 Lego>    DFR_3        120        0.623 GSFEGDTK
 Lego>    RHD_1         56        0.643 SFFDIEEC
 Lego>    FDX_1          7        0.662 SCIACGAC
 Lego>    APP_2         19        0.694 TPVTIGGT
 Lego>    FB4_1        197        0.700 CQVTHEGS
O > yes
Lego> Centre of gravity updated for    22   27
O > zone 40 55 end
O > refi_zo fit2 43 49
Refi > FIT2  43    49    FIT2
Refi >   R.m.s.d. in bond lengths, angles, fixed diherals
Refi >               NaN             0.20NaN
Refi > Centre of gravity updated for    21   28
Refi > Accept new coordinates? Hit *Yes/*No
O > yes
O > pep_flip fit2 43 49
Util> FIT2  43    49    FIT2
Util> Calculating zone 43     to 49     in molecule FIT2  , object FIT2
Util>  Atmxyz, setzon error.
Util>  Atmxyz, setzon error.
Util>  Atmxyz, setzon error.
Util>  Atmxyz, setzon error.
Util>   20 fragments used for residue 43     pep_flip value= NaN
 

And so on for each residue in the range !!  
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Jawahar Swaminathan		\ /          Phone: 91-11-618 9622 Ext.309   
Structural Biology Unit          |           Phone(R) 91-11-467 7312
National Inst. of Immunology  \ / \ /        Facsimile: 91-11-616 2125
New Delhi - 110 067 INDIA      |   |         Email: jawahar@nii.ernet.in
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