Protein Structure Prediction Center
In Memoriam: Anna Tramontano

Dear members of the CASP community,

We write with the very very sad news that Anna Tramontano has died.

As you probably know, Anna was a mainstay of CASP from almost the beginning, first a predictor, then an assessor and then as an organizer. Her contribution was massive. She had extraordinary scientific insight, and an amazing ability to turn that insight into effective action both in her own research and in CASP. She ran a series of CASP conferences in Italy, she organized and hosted CASP planning meetings, she acted as chief editor of many CASP special issues of Proteins, she provided her own grant funds for many of these activities. She was always able to make wise and practical judgements on how to deal with problems and how to push CASP forward.

These formal acknowledgements fail to begin to convey what an extraordinary, marvelous, person she was, and what a privilege it was to know her and to work with her. She had an immensely strong personality that shone from her at all times - a world beating generosity of spirit that lit up a room. She was always someone to turn to in times of stress, knowing one would receive frank, honest, and wise counsel and help. We do not know what we will do without her.

John, Krzysztof, Andriy, and Torsten.

Anna_photo1 Anna_photo2

Post CASP12 at the Formia train station. On the train to Rome, with Michael Levitt and Torsten Schwede. December, 2016.

Welcome to the Protein Structure Prediction Center!

Our goal is to help advance the methods of identifying protein structure from sequence. The Center has been organized to provide the means of objective testing of these methods via the process of blind prediction. The Critical Assessment of protein Structure Prediction (CASP) experiments aim at establishing the current state of the art in protein structure prediction, identifying what progress has been made, and highlighting where future effort may be most productively focused.

There have been eleven previous CASP experiments. The twelfth experiment is planned to start in May 2016. Description of these experiments and the full data (targets, predictions, interactive tables with numerical evaluation results, dynamic graphs and prediction visualization tools) can be accessed following the links:

CASP1 (1994) | CASP2 (1996) | CASP3 (1998) | CASP4 (2000) | CASP5 (2002) | CASP6 (2004) | CASP7 (2006) | CASP8 (2008) | CASP9 (2010) | CASP10 (2012) | CASP11 (2014) | CASP12 (2016)

Raw data for the experiments held so far are archived and stored in our data archive.

In November 2011 we have opened a new rolling CASP experiment for all-year-round testing of ab initio modeling methods:


Details of the experiments have been published in a scientific journal Proteins: Structure, Function and Bioinformatics. CASP proceedings include papers describing the structure and conduct of the experiments, the numerical evaluation measures, reports from the assessment teams highlighting state of the art in different prediction categories, methods from some of the most successful prediction teams, and progress in various aspects of the modeling.
Prediction methods are assessed on the basis of the analysis of a large number of blind predictions of protein structure. Summary of numerical evaluation of the methods tested in the latest CASP experiment can be found on this web page. The main numerical measures used in evaluations are described in the papers [1] , [2] . The latter paper also contains explanations of data handling procedures and guidelines for navigating the data presented on this website.

Some of the best performing methods are implemented as fully automated servers and therefore can be used by public for protein structure modeling.

To proceed to the pages related to the latest CASP experiments click on the logo below:

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Anna Tramontano
Dear members of the CASP community, We write with the very very sad news that Anna Tramontano died last night. As you probably know, Anna was a mainstay of CASP from almost the beginning, first ...
Target structures and results tables (text version only) have been posted on the web
Targets: We have released structures of 40 CASP12 targets that were used in the evaluation. These targets (targets_T0), their domains (domains_T0), and the corresponding refinement targets (targets_ ...
Meeting program is available online
The complete program of the CASP12 meting is now available online at By now, CASP organizers have contacted the most successful p ...
Protein Structure Prediction Center
Sponsored by the US National Institute of General Medical Sciences (NIH/NIGMS)
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