This page displays GO annotations in different sections according to the annotation method used to add that annotation to SGD.

Last Reviewed on: 2009-10-19    Molecular Function | Biological Process | Cellular Component

Manually curated Molecular Function
Annotation(s)	Evidence	Reference(s)	Assigned By
contributes_to first spliceosomal transesterification activity	IC: Inferred By Curator from U2-type catalytic step 1 spliceosome Assigned on 2009-11-10	Tsai WY, et al.  (1999) Cef1p is a component of the Prp19p-associated complex and essential for pre-mRNA splicing. J Biol Chem 274(14):9455-62	SGD
contributes_to second spliceosomal transesterification activity	IMP: Inferred from Mutant Phenotype Assigned on 2013-03-06	Query CC and Konarska MM  (2012) CEF1/CDC5 alleles modulate transitions between catalytic conformations of the spliceosome. RNA 18(5):1001-13	SGD

Manually curated Biological Process
Annotation(s)	Evidence	Reference(s)	Assigned By
generation of catalytic spliceosome for second transesterification step	IMP: Inferred from Mutant Phenotype Assigned on 2013-03-06	Query CC and Konarska MM  (2012) CEF1/CDC5 alleles modulate transitions between catalytic conformations of the spliceosome. RNA 18(5):1001-13	SGD
mRNA splicing, via spliceosome	IMP: Inferred from Mutant Phenotype Assigned on 2009-11-10	Tsai WY, et al.  (1999) Cef1p is a component of the Prp19p-associated complex and essential for pre-mRNA splicing. J Biol Chem 274(14):9455-62	SGD

Manually curated Cellular Component
Annotation(s)	Evidence	Reference(s)	Assigned By
Prp19 complex	IDA: Inferred from Direct Assay Assigned on 2009-10-19	Tsai WY, et al.  (1999) Cef1p is a component of the Prp19p-associated complex and essential for pre-mRNA splicing. J Biol Chem 274(14):9455-62	SGD
U2-type catalytic step 1 spliceosome	IDA: Inferred from Direct Assay Assigned on 2009-10-19	Tsai WY, et al.  (1999) Cef1p is a component of the Prp19p-associated complex and essential for pre-mRNA splicing. J Biol Chem 274(14):9455-62	SGD

* Manually curated GO annotations reflect our best understanding of the basic molecular function, biological process, and cellular component for this gene product. Manually curated annotations are assigned by SGD curators based on published papers when available, or by curatorial statements if necessary. Curators periodically review all Manually curated GO annotations for accuracy and completeness. The "Last Reviewed on:" date at the top of this section indicates when these annotations were last reviewed.

There are no High-throughput annotations for CEF1

** GO annotations from High-throughput experiments are made based on a variety of large scale high-throughput experiments, including genome-wide experiments. Many of these annotations are made based on GO annotations (or mappings to GO annotations) assigned by the authors, rather than SGD curators. While SGD curators read these publications and often work closely with authors to incorporate the information, each individual annotation may not necessarily be reviewed by a curator. GO Annotations from high-throughput experiments will be assigned only when this type of data is available, and thus may not be assigned in all three aspects of the Gene Ontologies.

Molecular Function | Biological Process | Cellular Component

Computational Molecular Function
Annotation(s)	Evidence	Reference(s)	Assigned By
chromatin binding	IEA: Inferred from Electronic Annotation with EBI:IPR001005 Last updated 2013-03-02	DDB, et al.  (2001) Gene Ontology annotation through association of InterPro records with GO terms.	InterPro
DNA binding	IEA: Inferred from Electronic Annotation with EBI:IPR009057 Last updated 2013-03-02	DDB, et al.  (2001) Gene Ontology annotation through association of InterPro records with GO terms.	InterPro
	IEA: Inferred from Electronic Annotation with EBI:KW-0238 Last updated 2013-03-02	UniProt-GOA  (2011) Gene Ontology annotation based on manual assignment of UniProtKB keywords in UniProtKB/Swiss-Prot entries.	UniProtKB

Computational Biological Process
Annotation(s)	Evidence	Reference(s)	Assigned By
cell cycle	IEA: Inferred from Electronic Annotation with EBI:KW-0131 Last updated 2013-03-02	UniProt-GOA  (2011) Gene Ontology annotation based on manual assignment of UniProtKB keywords in UniProtKB/Swiss-Prot entries.	UniProtKB
mRNA processing	IEA: Inferred from Electronic Annotation with EBI:KW-0507 Last updated 2013-03-02	UniProt-GOA  (2011) Gene Ontology annotation based on manual assignment of UniProtKB keywords in UniProtKB/Swiss-Prot entries.	UniProtKB
RNA splicing	IEA: Inferred from Electronic Annotation with EBI:KW-0508 Last updated 2013-03-02	UniProt-GOA  (2011) Gene Ontology annotation based on manual assignment of UniProtKB keywords in UniProtKB/Swiss-Prot entries.	UniProtKB

Computational Cellular Component
Annotation(s)	Evidence	Reference(s)	Assigned By
cytoplasm	IEA: Inferred from Electronic Annotation with EBI:SL-0086 Last updated 2013-03-02	UniProt-GOA  (2011) Gene Ontology annotation based on the manual assignment of UniProtKB Subcellular Location terms in UniProtKB/Swiss-Prot entries.	UniProtKB
	IEA: Inferred from Electronic Annotation with EBI:KW-0963 Last updated 2013-03-02	UniProt-GOA  (2011) Gene Ontology annotation based on manual assignment of UniProtKB keywords in UniProtKB/Swiss-Prot entries.	UniProtKB
nucleus	IEA: Inferred from Electronic Annotation with EBI:SL-0191 Last updated 2013-03-02	UniProt-GOA  (2011) Gene Ontology annotation based on the manual assignment of UniProtKB Subcellular Location terms in UniProtKB/Swiss-Prot entries.	UniProtKB
	IEA: Inferred from Electronic Annotation with EBI:KW-0539 Last updated 2013-03-02	UniProt-GOA  (2011) Gene Ontology annotation based on manual assignment of UniProtKB keywords in UniProtKB/Swiss-Prot entries.	UniProtKB
spliceosomal complex	IEA: Inferred from Electronic Annotation with EBI:KW-0747 Last updated 2013-03-02	UniProt-GOA  (2011) Gene Ontology annotation based on manual assignment of UniProtKB keywords in UniProtKB/Swiss-Prot entries.	UniProtKB

*** Computational GO Annotations are predictions. These annotations are NOT reviewed by a curator. Currently, all computational GO annotations for S. cerevisiae are assigned by an external source (for example, the Gene Ontology Annotation (GOA) project of the European Bioinformatics Institute (EBI)).