input description added

[django_unres.git] / django_simple / todo / templates / input.html

diff --git a/django_simple/todo/templates/input.html b/django_simple/todo/templates/input.html
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+{% extends "base.html" %}
+
+{% load i18n lazysignup_tags %}
+{% block content %}
+
+<h4>
+Input data description:</h4>
+<p>
+<ol>
+<li>
+As input Unres server can use protein sequence given using one letter code
+(with XX to mark a new chain) or PDB files.
+<li>
+Only standard codes of aminoacids are recognized in PDB files.
+<li>
+Unres server requires input PDB files with continuous (without breaks)
+protein chains. PDB files with gaps in the structure have to be first prepared
+by filling up all missing residues. There is a plan to add such service to
+the UNRES server but currently, a user has to model missing fragment using
+external software or online servers (for example Modeller software, Modloop
+server).
+<li>
+Disulfide bonds are read from PDB based on SSBOND records and for multichain
+protein COMPND record with propers CHAIN: tokens listing all chains in the
+PDB file.
+<li> A protein structure with disulfide bonds and no corresponding 
+SSBOND records will result in clashes and a very high energy 
+which can crash calculations.
+<li>
+TER records in PDB file are read to recognize chain's ends.
+</ol>
+{% endblock %}