On Thu, Aug 14, 2003, Venkata S Koppuravuri wrote:
>
> I am trying to minimize a protien structure on one of our clusters. the
> simulation went fine, but when i checked the min.out file i got weird
> values for some of the parameters. below is a part of min.out file
>
> ----------------------------------
> NSTEP ENERGY RMS GMAX NAME NUMBER
> 1 -nan -nan 2.9855E+15 HB 224
>
> BOND = 16393.1733 ANGLE = 623.3094 DIHED = 463.8889
> VDWAALS = -nan EEL = -nan HBOND = 0.0000
> 1-4 VDW = 497.7016 1-4 EEL = 3080.5624 RESTRAINT = 0.0000
>
"nan" means "not a number". You almost certainly have two atoms on top
of each other in your initial structure. You need to fix this before
the minimization (or anything else) can proceed.
...dac
--
==================================================================
David A. Case | e-mail: case.scripps.edu
Dept. of Molecular Biology, TPC15 | fax: +1-858-784-8896
The Scripps Research Institute | phone: +1-858-784-9768
10550 N. Torrey Pines Rd. | home page:
La Jolla CA 92037 USA | http://www.scripps.edu/case
==================================================================
-----------------------------------------------------------------------
The AMBER Mail Reflector
To post, send mail to amber.scripps.edu
To unsubscribe, send "unsubscribe amber" to majordomo.scripps.edu
Received on Thu Aug 14 2003 - 19:53:00 PDT