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News & Updates POSF New PyMOL fellows announced for 2018-2019 Tutorial Plugins Tutorial updated for PyQt5 Official Release PyMOL v2.2 has been released on July 24, 2018. New Plugin ProBiS H2O is a new plugin for identification of conserved waters in protein structures. Selection keywords New polymer.protein and polymer.nucleic selection keywords. Thanks everyone who participated in the poll! Plugin Update MOLE 2.5 is an updated version of channel analysis software in PyMOL New Script dssr_block is a wrapper for DSSR (3dna) and creates block-shaped nucleic acid cartoons Older News See Older News.

Did you know... PPIIMoL = PPIIMoL = PPIIMoL is a Python module for PyMOL that automates the detection of polyproline II (PPII) helices in proteins. It identifies PPII-like φ/ψ angle patterns, screens for plausible non-canonical Cα–H···O=C contacts, and provides one-click visualization and export. This tool was developed as part of a Bachelor's Thesis in Computer Engineering in collaboration with the Protein Structure, Dynamics and Interactions by NMR Group at the Instituto de Química-Física “Blas Cabrera” (IQF-CSIC). The module’s design and validation take as a primary reference the data and architectonic principles reported by Segura Rodríguez & Laurents (2024) (see How to cite). Scientific background Polyproline II (PPII) helices are extended, left-handed motifs (≈3 residues/turn) typically enriched in glycine- and proline-rich domains. Although common in several glycine-rich bundles, ..→

A Random PyMOL-generated Cover. See Covers.