About: SHIFTCOR

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SHIFTCOR (Shift Correction) is a freely available web server as well as a stand-alone computer program for protein chemical shift re-referencing. Chemical shift referencing is a particularly widespread problem in biomolecular NMR with up to 25% of existing NMR chemical shift assignments being improperly referenced. Some of these referencing problems can lead to systematic errors of between 1.0 to 2.5 ppm (especially in 13C and 15N chemical shifts). Errors of this magnitude can play havoc with any attempt to compare assignments between proteins or to structurally interpret chemical shifts. Identifying which proteins are mis-assigned or improperly referenced can be challenging, as can correcting the errors once they are found. The SHIFTCOR program was designed to assist with identifying and

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rdf:type	Thing schema:CreativeWork work wikidata:Q386724 Database dul:InformationObject Biological database yago:WikicatScientificTechniques yago:Ability105616246 yago:Abstraction100002137 yago:Cognition100023271 yago:Know-how105616786 yago:Method105660268 yago:PsychologicalFeature100023100 yago:Technique105665146 yago:WikicatProteinMethods
rdfs:label	SHIFTCOR (en)
rdfs:comment	SHIFTCOR (Shift Correction) is a freely available web server as well as a stand-alone computer program for protein chemical shift re-referencing. Chemical shift referencing is a particularly widespread problem in biomolecular NMR with up to 25% of existing NMR chemical shift assignments being improperly referenced. Some of these referencing problems can lead to systematic errors of between 1.0 to 2.5 ppm (especially in 13C and 15N chemical shifts). Errors of this magnitude can play havoc with any attempt to compare assignments between proteins or to structurally interpret chemical shifts. Identifying which proteins are mis-assigned or improperly referenced can be challenging, as can correcting the errors once they are found. The SHIFTCOR program was designed to assist with identifying and (en)
foaf:homepage	http://shiftcor.wishartlab.com/
dc:description	For protein chemical shift re-referencing
dcterms:subject	Biophysics Nuclear magnetic resonance software Biological databases Protein structure Chemistry software Protein methods
Wikipage page ID	34138240 (xsd:integer)
Wikipage revision ID	1098011188 (xsd:integer)
Link from a Wikipage to another Wikipage	Protein secondary structure NMR Protein structure database Biophysics Nuclear magnetic resonance software Chemical shift index Protein Chemical Shift Prediction Protein Chemical Shift Re-Referencing Protein Data Bank Biological databases Protein structure Protein Chemistry software Protein methods Chemical shift Chemical Shift ShiftX Protein NMR RefDB: a database of uniformly referenced protein chemical shifts
Link from a Wikipage to an external page	http://shiftcor.wishartlab.com/
sameAs	SHIFTCOR SHIFTCOR SHIFTCOR SHIFTCOR
dbp:wikiPageUsesTemplate	dbt:Infobox_biodatabase dbt:Reflist dbt:Biophysics-stub
description	For protein chemical shift re-referencing (en)
scope	Data input: Chemical shift assignments in BMRB or SHIFTY format and a corresponding 3D protein structure ; Data output: Reference-corrected chemical shift assignments (en)
title	SHIFTCOR (en)
url	http://shiftcor.wishartlab.com/
Center	University of Alberta (en)
has abstract	SHIFTCOR (Shift Correction) is a freely available web server as well as a stand-alone computer program for protein chemical shift re-referencing. Chemical shift referencing is a particularly widespread problem in biomolecular NMR with up to 25% of existing NMR chemical shift assignments being improperly referenced. Some of these referencing problems can lead to systematic errors of between 1.0 to 2.5 ppm (especially in 13C and 15N chemical shifts). Errors of this magnitude can play havoc with any attempt to compare assignments between proteins or to structurally interpret chemical shifts. Identifying which proteins are mis-assigned or improperly referenced can be challenging, as can correcting the errors once they are found. The SHIFTCOR program was designed to assist with identifying and fixing these chemical shift referencing problems. Specifically it compares, identifies, corrects and re-references 1H, 13C and 15N backbone chemical shifts of peptides and proteins by comparing the observed chemical shifts with the predicted chemical shifts derived from the 3D structure (using PDB coordinates) of the protein(s) of interest [1]. The predicted chemical shifts are calculated using the ShiftX program. The SHIFTCOR program was originally used to construct a database of properly re-referenced protein chemical shift assignments called RefDB. RefDB is a web-accessible database of more than 2000 correctly referenced protein chemical shift assignments. While originally available as a stand-alone program only, SHIFTCOR has since been released for general use as a web server. (en)
curation	Manually curated (en)
laboratory	Dr. David Wishart (en)
prov:wasDerivedFrom	wikipedia-en:SHIFTCOR?oldid=1098011188&ns=0
page length (characters) of wiki page	3540 (xsd:nonNegativeInteger)
title	SHIFTCOR (en)
foaf:isPrimaryTopicOf	wikipedia-en:SHIFTCOR
is Link from a Wikipage to another Wikipage of	David S. Wishart Nuclear magnetic resonance chemical shift re-referencing RefDB (chemistry) Protein chemical shift re-referencing Protein chemical shift prediction ShiftX
is foaf:primaryTopic of	wikipedia-en:SHIFTCOR

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