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GO:0009521 photosystem

Term Information

ID GO:0009521
Name photosystem
Ontology Cellular Component
Definition A complex located in a photosynthetic membrane that consists of a photoreaction center associated with accessory pigments and electron carriers. Examples of this component are found in Arabidopsis thaliana and in photosynthetic bacterial and archaeal species.
PMID:9821949
Secondary IDs GO:0030090
GONUTS GO:0009521 Wiki Page

Synonyms

Synonyms are alternative words or phrases closely related in meaning to the term name, with indication of the relationship between the name and synonym given by the synonym scope. Click on the icon for more details.
Type Synonym
narrow reaction center
narrow reaction centre

Taxon Constraints

The use of this term should conform to the following taxon constraints:
Taxon Rule Ancestor GO ID Ancestor GO Term Name Relationship Taxon ID Taxon Reference(s)
GOTAX:0000057 GO:0005623 cell only_in_taxon 131567 cellular organisms
GOTAX:0000469 GO:0009579 thylakoid never_in_taxon 33208 Metazoa
More information on taxon constraints in GO is available here

GO Slims

This term is present in the following GO Consortium-maintained GO slims:
GO slim nameCount of all terms
goslim_pir462

Cross-references

Database ID
InterPro IPR000932
InterPro IPR005869
Wikipedia Photosystem

Ancestor Chart

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Child Terms

This table lists all terms that are direct descendants (child terms) of GO:0009521:
Relationship To GO:0009521 Child Term Child Term Name
Is a GO:0009522 photosystem I
Is a GO:0009523 photosystem II

Protein Annotation

Displaying annotations FIRST to LAST of TOTAL Page size: Additional filters: Bookmarkable link
Database
Gene Product ID
Symbol
Qualifier
GO Identifier
GO Term Name
Aspect
Original GO ID
Original GO Term Name
Evidence
Reference
With
Taxon
Date
Assigned By
Product Form ID
Name
Synonym
Type
Taxon Name
Sequence

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Co-occurring Terms

These tables show the number of times the term listed in the table has been co-annotated with GO:0009521. The terms are listed in descending order of number of times the term has been co-annotated.
The table on the left is calculated using both electronic and manual-evidenced annotations, while the table on the right is calculated using only manual-evidenced annotations.
Co-occurrence statistics for GO:0009521 based on the entire annotation set Co-occurrence statistics for GO:0009521 based on non-IEA annotations only

Change Log

All changes

Timestamp Action Category Detail
2013-04-18 Updated SLIM goslim_pir
2010-05-27 Added RELATION is a GO:0044436 (thylakoid part)
2009-08-06 Deleted SYNONYM reaction centre (sensu Gram-negative Bacteria)
2009-08-06 Added SYNONYM reaction center
2009-08-06 Deleted SYNONYM reaction center (sensu Proteobacteria)
2009-08-06 Deleted SYNONYM reaction centre (sensu Proteobacteria)
2009-08-06 Deleted SYNONYM reaction center (sensu Gram-negative Bacteria)
2009-08-06 Added SYNONYM reaction centre
2009-08-06 Added DEFINITION A complex located in a photosynthetic membrane that consists of a photoreaction center associated with accessory pigments and electron carriers. Examples of this component are found in Arabidopsis thaliana and in photosynthetic bacterial and archaeal species.
2009-08-06 Deleted DEFINITION A complex located in a photosynthetic membrane that consists of a photoreaction center associated with accessory pigments and electron carriers.
2009-02-08 Added XREF Wikipedia:Photosystem
2008-10-21 Added RELATION is a GO:0044425 (membrane part)
2008-06-09 Added SLIM goslim_pir
2008-05-13 Added DEFINITION A complex located in a photosynthetic membrane that consists of a photoreaction center associated with accessory pigments and electron carriers.
2008-05-12 Deleted DEFINITION A complex located in a photosynthetic membrane that consists of a photoreaction center associated with accessory pigments and electron carriers.
2008-04-27 Updated DEFINITION A complex located in a photosynthetic membrane that consists of a photoreaction center associated with accessory pigments and electron carriers.
2008-04-06 Added RELATION part of GO:0034357 (photosynthetic membrane)
2008-04-06 Deleted RELATION is a GO:0044436 (thylakoid part)
2008-04-06 Added SECONDARY GO:0030090 (reaction center (sensu Proteobacteria))
2008-04-06 Added SYNONYM reaction center (sensu Gram-negative Bacteria)
2008-04-06 Added SYNONYM reaction center (sensu Proteobacteria)
2008-04-06 Added SYNONYM reaction centre (sensu Gram-negative Bacteria)
2008-04-06 Added SYNONYM reaction centre (sensu Proteobacteria)
2008-04-01 Updated RELATION is a GO:0044436 (thylakoid part)
2008-04-01 Updated RELATION is a GO:0043234 (protein complex)
2002-02-06 Updated TERM photosystem
2001-08-06 Added DEFINITION One of the photochemical systems containing photosynthetic and accessory pigments and electron carriers that operate in sequence to perform the two light reactions of photosynthesis.
2001-04-03 Updated TERM photosystem
2001-03-30 Added TERM photosystem

Term

Timestamp Action Category Detail
2002-02-06 Updated TERM photosystem
2001-04-03 Updated TERM photosystem
2001-03-30 Added TERM photosystem

Definition/synonyms

Timestamp Action Category Detail
2009-08-06 Deleted SYNONYM reaction centre (sensu Gram-negative Bacteria)
2009-08-06 Added SYNONYM reaction center
2009-08-06 Deleted SYNONYM reaction center (sensu Proteobacteria)
2009-08-06 Deleted SYNONYM reaction centre (sensu Proteobacteria)
2009-08-06 Deleted SYNONYM reaction center (sensu Gram-negative Bacteria)
2009-08-06 Added SYNONYM reaction centre
2009-08-06 Added DEFINITION A complex located in a photosynthetic membrane that consists of a photoreaction center associated with accessory pigments and electron carriers. Examples of this component are found in Arabidopsis thaliana and in photosynthetic bacterial and archaeal species.
2009-08-06 Deleted DEFINITION A complex located in a photosynthetic membrane that consists of a photoreaction center associated with accessory pigments and electron carriers.
2008-05-13 Added DEFINITION A complex located in a photosynthetic membrane that consists of a photoreaction center associated with accessory pigments and electron carriers.
2008-05-12 Deleted DEFINITION A complex located in a photosynthetic membrane that consists of a photoreaction center associated with accessory pigments and electron carriers.
2008-04-27 Updated DEFINITION A complex located in a photosynthetic membrane that consists of a photoreaction center associated with accessory pigments and electron carriers.
2008-04-06 Added SYNONYM reaction center (sensu Gram-negative Bacteria)
2008-04-06 Added SYNONYM reaction center (sensu Proteobacteria)
2008-04-06 Added SYNONYM reaction centre (sensu Gram-negative Bacteria)
2008-04-06 Added SYNONYM reaction centre (sensu Proteobacteria)
2001-08-06 Added DEFINITION One of the photochemical systems containing photosynthetic and accessory pigments and electron carriers that operate in sequence to perform the two light reactions of photosynthesis.

Relationships

Timestamp Action Category Detail
2010-05-27 Added RELATION is a GO:0044436 (thylakoid part)
2008-10-21 Added RELATION is a GO:0044425 (membrane part)
2008-04-06 Added RELATION part of GO:0034357 (photosynthetic membrane)
2008-04-06 Deleted RELATION is a GO:0044436 (thylakoid part)
2008-04-01 Updated RELATION is a GO:0044436 (thylakoid part)
2008-04-01 Updated RELATION is a GO:0043234 (protein complex)

Cross-references

Timestamp Action Category Detail
2009-02-08 Added XREF Wikipedia:Photosystem

Other

Timestamp Action Category Detail
2013-04-18 Updated SLIM goslim_pir
2008-06-09 Added SLIM goslim_pir
2008-04-06 Added SECONDARY GO:0030090 (reaction center (sensu Proteobacteria))
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