SMART Tutorial

Here is a database for predicting protein domains: SMART (Simple Modular Architecture Research Tool), which is an online analysis tool for protein domain identification and annotation. Its data is synchronized with UniProt, Ensembl and STRING databases, and more than 1,300 protein domains have been manually annotated. More than 20 years have passed since the first edition was released in 1997, and it is still popular.

Tool URL: http://smart.embl-heidelberg.de/

Tutorial

SMART has two modes: normal and genomic. The main difference between the two is the difference in the underlying database. The former is redundant, while the latter only uses proteomic data that has completed genome sequencing.

SMART Tutoaial

The colors of the two modes are different, but the interface is similar. You can switch by clicking the corresponding mode. For example, enter the genomic mode like this:

SMART Tutoaial

You can search for protein domains by entering the ID (or ACC) or protein sequence of the Uniprot/Ensembl protein sequence.

SMART Tutoaial

Click the Sequence SMART button to submit the task. After a few seconds, you can get the prediction result in the figure below. The structure diagram of the web page is interactive, and it can also be saved as a vector diagram in svg format for easy use in the article.

SMART Tutoaial

The following is a list of predicted domains, including those shown and not shown in the figure above.

SMART Tutoaial

If you have a lot of sequences that need to be predicted, you can also enter SMART's batch processing page (as shown in the figure below, click the question mark button in the Sequence analysis section to have a link), URL: http://smart.embl-heidelberg.de/smart/batch.pl

Prepare the ID (or ACC) or protein sequence (fasta format) of the Uniprot/Ensembl protein sequence according to the requirements on the page, and you can submit up to 10,000.

SMART Tutoaial

Here is just a brief introduction, if you are interested, hurry up and try other functions~

Commonly used protein sequence and structure database

PDB protein three-dimensional structure http://www.rcsb.org/pdb

SWISS-PROT protein sequence database http://kr.expasy.org/sprot/

PIR protein sequence database http://pir.georgetown.edu/

OWL non-redundant protein sequence http://www.bioinf.man.ac.uk/dbbrowser/OWL/

EMBL Nucleic Acid Sequence Database http://www.embl-heidelberg.de/

Translation database of TrEMBLEMBL http://kr.expasy.org/sprot/

GenBANK Nucleic Acid Sequence Database http://www.ncbi.nih.gov/Genbank/

PROSITE protein functional site http://kr.expasy.org/prosite/

SWISS-MODEL builds structure from sequence model http://www.expasy.org/swissmod/SWISS-MODEL.html

SWISS-3DIMAGE three-dimensional structure diagram http://us.expasy.org/sw3d/

DSSP protein secondary structure parameters http://www.cmbi.kun.nl/gv/dssp/

FSSP protein family with known spatial structure http://www.ebi.ac.uk/dali/fssp/fssp.html

SCOP protein classification database http://scop.mrc-lmb.cam.ac.uk/scop/

CATH protein classification database http://www.biochem.ucl.ac.uk/bsm/cath/

Pfam protein family and domain http://pfam.wustl.edu/

* It should be noted that our service is only used for research, not for clinical use.

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