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2016 ; 1747
(ä): ä Nephropedia Template TP
gab.com Text
Twit Text FOAVip
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English Wikipedia
Scalable Text Mining Assisted Curation of Post-Translationally Modified
Proteoforms in the Protein Ontology
#MMPMID28706471
Ross KE
; Natale DA
; Arighi C
; Chen SC
; Huang H
; Li G
; Ren J
; Wang M
; Vijay-Shanker K
; Wu CH
CEUR Workshop Proc
2016[Aug]; 1747
(ä): ä PMID28706471
show ga
The Protein Ontology (PRO) defines protein classes and their interrelationships
from the family to the protein form (proteoform) level within and across species.
One of the unique contributions of PRO is its representation of
post-translationally modified (PTM) proteoforms. However, progress in adding PTM
proteoform classes to PRO has been relatively slow due to the extensive manual
curation effort required. Here we report an automated pipeline for creation of
PTM proteoform classes that leverages two phosphorylation-focused text mining
tools (RLIMS-P, which detects mentions of kinases, substrates, and
phosphorylation sites, and eFIP, which detects phosphorylation-dependent
protein-protein interactions (PPIs)) and our integrated PTM database, iPTMnet. By
applying this pipeline, we obtained a set of ~820 substrate-site pairs that are
suitable for automated PRO term generation with literature-based evidence
attribution. Inclusion of these terms in PRO will increase PRO coverage of
species-specific PTM proteoforms by 50%. Many of these new proteoforms also have
associated kinase and/or PPI information. Finally, we show a phosphorylation
network for the human and mouse peptidyl-prolyl cis-trans isomerase (PIN1/Pin1)
derived from our dataset that demonstrates the biological complexity of the
information we have extracted. Our approach addresses scalability in PRO curation
and will be further expanded to advance PRO representation of phosphorylated
proteoforms.