[gmx-users] US perl scripts gives empty

[Nikhil Maroli]

Dear all,
im following tut for umbrella sampling for my structure
i have pulled the ligand and visualized using pymol,when i run perl script
i m getting some empty value for some configuration as below

412    4.456
413    4.480
414    4.476
415
416    4.524
417    4.591
418    4.498
419    4.503
420    4.543
421    4.608
422    4.571
423    4.637
424    4.675
425    4.647
426    4.646
427    4.665
428    4.713
429    4.778
430    4.761
431    4.738
432    4.759
433    4.739
434    4.766
435    4.700
436    4.712
437
438    4.757
439    4.788
440
441
442    4.749
443    4.765
444
445    4.766
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460


till 500 it is blank,


Anyone can help me here...!
Thanks
-- 
Ragards,
Nikhil Maroli