This term is obsolete.

GO:0016154 JSON

pyrimidine-nucleoside phosphorylase activity

Molecular Function

Definition (GO:0016154 GONUTS page)

Catalysis of the reaction: pyrimidine nucleoside + phosphate = pyrimidine + alpha-D-ribose 1-phosphate.

85,493 annotations

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.

Synonym Type
Py-NPase activity related
pyrimidine-nucleoside:phosphate alpha-D-ribosyltransferase activity related

Ancestor Chart

Ancestor chart for GO:0016154
Chart options
Ancestor chart

Child Terms

This table lists all terms that are direct descendants (child terms) of GO:0016154

Child Term Relationship to
GO:0016154
uridine phosphorylase activity
is_a
deoxyuridine phosphorylase activity
is_a
thymidine phosphorylase activity
is_a

Annotation Guidance

Usage of this term is subject to the following annotation guidelines:

Annotating to catalytic activities using the IPI evidence code Link
Describing enzyme functions that catalyse multi-stage reactions Link

Annotation Blacklist

This list aims to correct incorrect annotations to UniProtKB accessions inferred from electronic annotation (IEA) methods that are supplied by the UniProt-GOA project to the GO Consortium:

Category Entity Type Entity ID Taxon ID Entity Name Ancestor GO ID Reason Rule/Method ID
IEA Review protein Q9VNA3 7227 Q9VNA3_DROME GO:0016740 Requested by Helen Attrill. https://github.com/geneontology/go-annotation/issues/3377PMID:28597544: 'SDF2 and SDF2L1 associate with ERdj3 and act as components in the BiP chaperone cycle to prevent the aggregation of misfolded proteins.'They are not enzymes and are ER resident proteins, not membrane or extracellular proteins. IPR016093|IPR036300
IEA Review protein Q9VNA3 7227 Q9VNA3_DROME GO:0016757 Requested by Helen Attrill. https://github.com/geneontology/go-annotation/issues/3377PMID:28597544: 'SDF2 and SDF2L1 associate with ERdj3 and act as components in the BiP chaperone cycle to prevent the aggregation of misfolded proteins.'They are not enzymes and are ER resident proteins, not membrane or extracellular proteins. IPR016093|IPR036300
NOT-qualified manual protein A6KJI3 10116 A6KJI3_RAT GO:0016757 1 NOT-qualified manual annotation exists with evidence code ECO:0000266 from this reference: GO_REF:0000096
NOT-qualified manual protein D6WQD5 7070 D6WQD5_TRICA GO:0016757 1 NOT-qualified manual annotation exists with evidence code ECO:0000318 from this reference: GO_REF:0000033
NOT-qualified manual protein P02521 9031 ARLY1_CHICK GO:0003824 1 NOT-qualified manual annotation exists with evidence code ECO:0000304 from this reference: PMID:11258884
NOT-qualified manual protein Q0E8K5 7227 Q0E8K5_DROME GO:0016740 1 NOT-qualified manual annotation exists with evidence code ECO:0000320 from this reference: PMID:16545593
NOT-qualified manual protein Q6AYL7 10116 Q6AYL7_RAT GO:0016757 1 NOT-qualified manual annotation exists with evidence code ECO:0000266 from this reference: GO_REF:0000096
NOT-qualified manual protein Q7JRM5 7227 Q7JRM5_DROME GO:0016757 1 NOT-qualified manual annotation exists with evidence code ECO:0000318 from this reference: GO_REF:0000033
NOT-qualified manual protein Q7JY99 7227 Q7JY99_DROME GO:0016740 1 NOT-qualified manual annotation exists with evidence code ECO:0000320 from this reference: PMID:16545593
NOT-qualified manual protein Q7KGG1 7227 Q7KGG1_DROME GO:0003824 1 NOT-qualified manual annotation exists with evidence code ECO:0000320 from this reference: PMID:11904370

Cross-references

Database ID Description
EC 2.4.2.2
InterPro IPR018090 Pyrimidine-nucleoside phosphorylase, bacterial/eukaryotic

Co-occurring Terms

These tables show the number of times the term listed in the table has been co-annotated.

No co-occurrence statistics for GO:0016154 based on ALL annotations
The top 100 of 106 co-occurring terms
Co-occurring Term PR S% #Together #Compared
pyrimidine-nucleoside phosphorylase activity
8,968.06 100.00 21,737 21,737
thymidine phosphorylase activity
5,961.31 60.07 18,732 28,180
pyrimidine nucleoside metabolic process
5,473.54 46.36 14,313 23,451
pyrimidine nucleobase metabolic process
4,089.14 36.89 14,321 31,408
deoxyuridine phosphorylase activity
6,028.47 35.74 9,409 13,997
1,4-alpha-oligoglucan phosphorylase activity
2,702.61 26.07 14,317 47,508
guanosine phosphorylase activity
7,746.57 22.95 5,175 5,991
uridine phosphorylase activity
2,776.89 18.18 6,644 21,457
purine-nucleoside phosphorylase activity
1,185.35 10.53 7,417 56,115
pentosyltransferase activity
439.30 4.77 13,997 285,741
Totals 171204 243962878
No co-occurrence statistics for GO:0016154 based on MANUAL annotations
The top 7 of 7 co-occurring terms
Co-occurring Term PR S% #Together #Compared
pyrimidine-nucleoside phosphorylase activity
117,436.27 100.00 11 11
purine-nucleoside phosphorylase activity
8,728.37 7.43 11 148
protein homodimerization activity
22.08 0.02 1 5,319
cytosol
15.34 0.01 11 84,217
cellular_component
5.62 0.00 3 62,739
biological_process
5.30 0.00 3 66,439
molecular_function
5.06 0.00 3 69,561
Totals 43 288434

Change Log

Timestamp Action Category Detail
2023-08-11 Deleted XREF MetaCyc:PYRIMIDINE-NUCLEOSIDE-PHOSPHORYLASE-RXN
2020-10-08 Deleted SYNONYM pyrimidine-nucleoside:phosphate alpha-D-ribosyltransferase activity
2020-10-08 Deleted SYNONYM Py-NPase activity
2020-10-08 Added SYNONYM pyrimidine-nucleoside:phosphate alpha-D-ribosyltransferase activity
2020-10-08 Added SYNONYM Py-NPase activity
2008-05-13 Added DEFINITION Catalysis of the reaction: pyrimidine nucleoside + phosphate = pyrimidine + alpha-D-ribose 1-phosphate.
2008-05-12 Deleted DEFINITION Catalysis of the reaction: pyrimidine nucleoside + phosphate = pyrimidine + alpha-D-ribose 1-phosphate.
2008-04-01 Updated RELATION is a GO:0016763 (pentosyltransferase activity)
2007-11-08 Added SYNONYM pyrimidine-nucleoside:phosphate alpha-D-ribosyltransferase activity
2007-09-06 Added SYNONYM Py-NPase activity
Timestamp Action Category Detail
2003-03-19 Updated TERM pyrimidine-nucleoside phosphorylase activity
2002-02-06 Updated TERM pyrimidine-nucleoside phosphorylase
2001-04-03 Updated TERM pyrimidine-nucleoside phosphorylase
2001-03-30 Added TERM pyrimidine-nucleoside phosphorylase
Timestamp Action Category Detail
2020-10-08 Deleted SYNONYM pyrimidine-nucleoside:phosphate alpha-D-ribosyltransferase activity
2020-10-08 Deleted SYNONYM Py-NPase activity
2020-10-08 Added SYNONYM pyrimidine-nucleoside:phosphate alpha-D-ribosyltransferase activity
2020-10-08 Added SYNONYM Py-NPase activity
2008-05-13 Added DEFINITION Catalysis of the reaction: pyrimidine nucleoside + phosphate = pyrimidine + alpha-D-ribose 1-phosphate.
2008-05-12 Deleted DEFINITION Catalysis of the reaction: pyrimidine nucleoside + phosphate = pyrimidine + alpha-D-ribose 1-phosphate.
2007-11-08 Added SYNONYM pyrimidine-nucleoside:phosphate alpha-D-ribosyltransferase activity
2007-09-06 Added SYNONYM Py-NPase activity
2002-11-27 Added DEFINITION Catalysis of the reaction: pyrimidine nucleoside + phosphate = pyrimidine + alpha-D-ribose 1-phosphate.
Timestamp Action Category Detail
2008-04-01 Updated RELATION is a GO:0016763 (pentosyltransferase activity)
Timestamp Action Category Detail
2023-08-11 Deleted XREF MetaCyc:PYRIMIDINE-NUCLEOSIDE-PHOSPHORYLASE-RXN
2003-10-27 Added XREF MetaCyc:PYRIMIDINE-NUCLEOSIDE-PHOSPHORYLASE-RXN
2001-03-30 Added XREF EC:2.4.2.2
Timestamp Action Category Detail
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