<DIV><STRONG><FONT size=1>Thank you for replies. Below there are pdb file format specifications. </FONT></STRONG></DIV> <DIV><STRONG><FONT size=1> <H2 style="MARGIN: auto 0cm; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'"><A href="http://www.wwpdb.org/documentation/format23/sect9.html#HETATM" target=_blank rel=nofollow><FONT color=#003399>http://www.wwpdb.org/documentation/format23/sect9.html#HETATM</FONT></A></SPAN></H2></FONT></STRONG></DIV> <DIV><STRONG><FONT size=1>Are these valid for Gromacs pdb files as well? What sections are important and should be present and what can be spared?</FONT></STRONG></DIV> <DIV><STRONG><FONT size=1>Egidijus</FONT></STRONG></DIV><FONT size=1> <H2 style="MARGIN: auto 0cm; TEXT-ALIGN: justify"><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: 'Times New Roman'"><A href="http://www.wwpdb.org/documentation/format23/sect9.html#HETATM" target=_blank rel=nofollow><FONT
color=#003399></FONT></A></SPAN></FONT> </H2><p> 
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