.. _config_ref tasks psfgen source sequence glycans:

``glycans``
===========

parameters controlling how model-built glycans are adjusted, if present

Single-valued attributes:

  * ``numbering``: Glycan resid numbering convention: 'narrow' = block-allocate above max protein resid; 'wide' = root monomer gets protein-attachment resid + wide_shift, subsequent monomers increment by 1 (default: narrow)

  * ``wide_shift``: Resid offset added to the protein attachment resid for the 'wide' glycan numbering convention (e.g. ASN 123 → NAG 3123 with default shift of 3000) (default: 3000)

  * ``max_glycan_size``: Maximum number of residues per glycan tree; used to block-allocate unique resid ranges in the 'narrow' convention so glycans can be extended later without resid conflicts (default: 30)



Subattribute:

.. toctree::
   :maxdepth: 1

   glycans/declash


.. raw:: html

   <div class="autogen-footer">
     <p>This page was generated by ycleptic v2.0.6 on 2026-05-28.</p>
   </div>