malign3D

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Dear sir,

I'll be very much grateful to you if you can help me in one of my modeller job submission.

I am trying to superimpose some structures simultaneously using malign3D. My top script file and alignment file are as follows. I had attached the log file also. There structures were of ~410 residues and with heme and a bound ligand. I always failed to get the structural alignment, the reason I could not figure out. Please help me in running this program, also tell me what are the general steps to follow for doing structural alignments and where are the chances for potential errors.

###########################TOP SCRIPT################## SET OUTPUT_CONTROL = 1 1 1 1 2 SET STOP_ON_ERROR = 1 SET MAXRES = 2000

READ_ALIGNMENT FILE = 'str.ali' SEQUENCE_TO_ALI SET ALIGN_CODES = '1dz8' '2cpp' SET ATOM_FILES = ALIGN_CODES SET ATOM_FILES_DIRECTORY = './'

MALIGN3D

SET ADD_SEQUENCE = on SET CURRENT_DIRECTORY = on SET OUTPUT = 'LONG' SET GAP_PENALTIES_3D = 0.0 1.75 SET FIT_ATOMS = 'CA' SET WRITE_FIT = on SET WRITE_WHOLE_PDB = on WRITE_ALIGNMENT FILE = 'str_STR.pir' SET ALIGNMENT_FORMAT = 'PIR'

#######################ALIGNMENT FILE###################### >P1;1dz8 structureX:1dz8: 11 :A: 414 :A:undefined:undefined: 9.99: 9.99 -----LAPLPPHVPEHLVFDFDMYNPSNLSAGVQEAWAVLQESNVPDLVWTRCNGGHWIA TRGQLIREAYEDYRHFSSECPFIPREAGEAYDFIPTSM---DPPEQRQFRALANQVVGMP VVDKLENRIQELACSLIESLRPQGQCNFTEDYAEPFPIRIFMLLAG--LPEEDIPHL-KY LTDQMT-----------RPDGS-MTFAEAKEALYDYLIPIIEQRRQKPGTD-----AISI VANGQVNGR--PITSDEAKRMCGLLLVGGLDTVVNFLSFSMEFLAKSPEHRQELIQRPER IP------------------AACEELLRRFS-LVADGRILTSDYEFHGVQLKKGDQILLP QMLSGLDERENACPMHVDFSRQKVS----------HTTFGHGSHLCLGQHLARREIIVTL KEWLTRIPDFSIAPGAQ--IQHKSGIVSGVQALPLVWDPATTKAV* >P1;2cpp structureX:2cpp: 10 : : 414 : :undefined:undefined: 1.63: 9.99 ----NLAPLPPHVPEHLVFDFDMYNPSNLSAGVQEAWAVLQESNVPDLVWTRCNGGHWIA TRGQLIREAYEDYRHFSSECPFIPREAGEAYDFIPTSM---DPPEQRQFRALANQVVGMP VVDKLENRIQELACSLIESLRPQGQCNFTEDYAEPFPIRIFMLLAG--LPEEDIPHL-KY LTDQMT-----------RPDGS-MTFAEAKEALYDYLIPIIEQRRQKPGTD-----AISI VANGQVNGR--PITSDEAKRMCGLLLVGGLDTVVNFLSFSMEFLAKSPEHRQELIERPER IP------------------AACEELLRRFS-LVADGRILTSDYEFHGVQLKKGDQILLP QMLSGLDERENACPMHVDFSRQKVS----------HTTFGHGSHLCLGQHLARREIIVTL KEWLTRIPDFSIAPGAQ--IQHKSGIVSGVQALPLVWDPATTKAV* ##########################################################

Thanking you

sridhar

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