Hyperlinked Tables and PFAM models compared to experimental structures from Briefings in Bioinformatics 2020

 

Hyperlinked tables 

 

Table 1. Webservers for template-less protein structure prediction. The list follows alphabetical order only.

 

Server [ref]

URL

Underlying methods

Assessment

Max. models delivered

Quality estimate

Output

C-QUARK [22]

https://zhanglab.ccmb.med.umich.edu/C-QUARK/

ML-assisted contact prediction

CASP13 [16]

5

Own C-score (QUARK-like) plus estimated TM score and RMSD

Models and contact map

C-I-TASSER [22]

https://zhanglab.ccmb.med.umich.edu/C-I-TASSER/

ML-assisted contact prediction

CASP13 [16]

5

Own C-score (I-TASSER-like) plus estimated TM score and RMSD

Models, predicted contact map, and extended I-TASSER-like analysis (PDB structural matches, gene ontology predictions, predicted ligands, etc.)

RaptorX-Contact [23]

http://raptorx.uchicago.edu/ContactMap/

Contact prediction

CASP13 [16]

5

Own score plus residue-wise score estimated from CNS restraint violations

Models and predicted contact map

RaptorX-DeepModeller [23,24]

http://raptorx.uchicago.edu/StructPredV2/predict/

Contact and distance prediction

CASP13 [16]

5

Own score plus residue-wise scores estimated from CNS restraint violations

Models and predicted contact and distance maps

Robetta [26–28]

https://robetta.bakerlab.org/

Rosetta assisted by contact predictions and homology modeling using PDB and the Gremlin/Rosetta dataset of Table 2

CASP13 [16]

5

Estimated GDTTS for global quality (linearly related to TM score), plus residue-wise quality estimates

Models, intermediate predictions, quality estimate plots

trRosetta [21]

https://yanglab.nankai.edu.cn/trRosetta/

Contact, distance and orientation prediction

Not available; presumably similar to AlphaFold [21]

5

Estimated TM score and RMSD

Models, predicted contacts, distances and orientations

 

 

 

Table 2. Databases of precomputed models. See overlap and PFAM coverage in Figure S3; and examples comparing predictions to subsequent structures in Figure S4. The list follows alphabetical order only.

 

Dataset [ref]

URL

Underlying methods

Quality estimate for models

Average TM score in our tests

Additional comments

DMPfold [32]

http://bioinf.cs.ucl.ac.uk/downloads/dmpfold/pfam_models.tgz

Contact predictions from DeepMetaPSICOV, associated server at http://bioinf.cs.ucl.ac.uk/psipred/

Estimated TM scores on Github site

0.54 (9 models)

Main table includes models expected of high quality, but website includes many more predictions: https://github.com/psipred/DMPfold

Gremlin/Rosetta, 2015 [30] and 2017 [26]

https://gremlin2.bakerlab.org/meta/aah4043_final.zip and https://gremlin2.bakerlab.org/struct.php

Rosetta assisted with contact predictions from Gremlin

Own scores

0.80 (12 models)

Website includes comparisons to actual structures, showing that most are not new folds: https://gremlin2.bakerlab.org/meta_struct.php

PConsC3 [31]

http://c3.pcons.net/static/download/pfam.tar.gz

PConsC3 server at http://c3.pcons.net/pred/

Own scores

0.51 (13 models)

See associated server for user submissions and additional data at http://c3.pcons.net/pred/

Tara3D [33]

https://zhanglab.ccmb.med.umich.edu/Tara-3D/

C-I-QUARK server from Table 1

Estimated TM scores on authors’ website

0.53 (9 models)

Used marine metagenomics. See https://zhanglab.ccmb.med.umich.edu/Tara-3D/

Modelsearch [34]

http://lucianoabriata.altervista.org/modelsearch/

(This website provides a sequence search interface for the datasets above plus others)

 

 

Table S2. Servers for pure contact prediction and coevolution calculations.

 

Service

URL

Reference

DCA

   (pure coevolution)

http://dca.rice.edu/portal/dca/dca-webservice

Morcos et al. PNAS 2011

DeepMetaPSICOV

   (contact prediction)

http://bioinf.cs.ucl.ac.uk/psipred/

Kandathil et al. Proteins 2019

EVCouplings

   (pure coevolution)

https://evcouplings.org/

Marks et al. Plos One 2011

Gremlin

   (pure coevolution)

http://gremlin.bakerlab.org/

Anishchenko et al. PNAS 2017

 

 

 

Table S3. Servers for modeling predicting contacts between pairs of proteins. Note this technology is less developed than normal contact predictions and results are far less reliable.

 

Service

URL

Reference

EVComplex

https://evcouplings.org/complex

Zeng et al. Nucleic Acids Res. 2018

Gremlin complex

http://gremlin.bakerlab.org/cplx_submit.php

Ovchinnikov et al. eLife 2014

RaptorX complex

http://raptorx.uchicago.edu/ComplexContact/

Hopf TA et al. eLife 2014

 

 

 

Download PFAM models and experimental structures from Figure S3

PFAMmodelsVSexpstruct.zip

 

Other related links

All links of the tables in this article and SI are available in clickable form at  http://lucianoabriata.altervista.org/papersdata/bib2020.html

 

Modelsearch web app to query sequences on several databases incl. those of models precomputed for PFAM families, all CASP models, models based on SAXS data from SASBDB, integrative models from PDB-Dev, and models compiled from Supporting Information of publications: http://lucianoabriata.altervista.org/modelsearch/


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