ArchDB: automated protein loop classification as a tool for structural genomics.

Abstract:

:The annotation of protein function has become a crucial problem with the advent of sequence and structural genomics initiatives. A large body of evidence suggests that protein structural information is frequently encoded in local sequences, and that folds are mainly made up of a number of simple local units of super-secondary structural motifs, consisting of a few secondary structures and their connecting loops. Moreover, protein loops play an important role in protein function. Here we present ArchDB, a classification database of structural motifs, consisting of one loop plus its bracing secondary structures. ArchDB currently contains 12,665 super-secondary elements classified into 1496 motif subclasses. The database provides an easy way to retrieve functional information from protein structures sharing a common motif, to search motifs found in a given SCOP family, superfamily or fold, or to search by keywords on proteins with classified loops. The ArchDB database of loops is located at http://sbi.imim.es/archdb.

journal_name

Nucleic Acids Res

journal_title

Nucleic acids research

authors

Espadaler J,Fernandez-Fuentes N,Hermoso A,Querol E,Aviles FX,Sternberg MJ,Oliva B

doi

10.1093/nar/gkh002

keywords:

subject

Has Abstract

pub_date

2004-01-01 00:00:00

pages

D185-8

issue

Database issue

eissn

0305-1048

issn

1362-4962

pii

32/suppl_1/D185

journal_volume

32

pub_type

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