Occurs in: Difference between revisions

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Revision as of 10:57, 9 May 2014

Back to Annotation usage examples for each annotation extension relation

Definition

Identifies the cell, tissue, cellular component or anatomical entity in which the molecular function or biological process occurs.

Child terms

  • None.

Scope of use

Domain

BFO:0000007 ! process (Biological Process or Molecular Function)

Range

ENTITY_UNION:0000006 ! entity

Annotation Extension Usage Examples

Enhancing Molecular Function and Biological Process Annotations

Specifying the cell or tissue type in which a process happens

1. Differentiation of a particular cell type:

Statement from paper:

REN promoted neuronal differentiation of neural committed progenitor cells of CNS (ST14A cells, Fig. 7 A) or PNS (N2a cells, Fig. 7 B) origin.


Gene Name (col 2) GO ID (col 5) Reference (col 6) Evidence (col 7) Annotation Extension (col 16)
MGI:2448712 Ren GO:0030154 cell differentiation PMID:12186855 IDA occurs_in(CL:0000540 neuron)


2. A protein's involvement in changing a particular cell's shape:

Statement from paper:

Eotaxin, eotaxin-2, and MCP-4 were the most potent inducers of eosinophil shape change, followed by MCP-3, while MCP-1 and IL-8 were inactive. MCP-4 alone showed a bell-shaped eosinophil dose-response curve over the dose range tested. Eotaxin and eotaxin-2 were inactive on monocytes (Fig. 2⇓B), whereas MCP-1, -3, and -4 all induced monocyte shape change, with MCP-3 exhibiting the highest potency.

Gene Name (col 2) GO ID (col 5) Reference (col 6) Evidence (col 7) Annotation Extension (col 16)
Q99616 MCP4 GO:0008360 regulation of cell shape PMID:10072545 IDA occurs_in(CL:0000771 eosinophil) 'pipe' occurs_in(CL:0000576 monocyte)

Note the use of the pipe to create a multiple annotation extensions. The interpretation of this annotation is MCP4 is involved in the regulation of eosinophil cell shape and monocyte cell shape.

More examples of this usage of occurs_in can be found on the documentation page for Column_16:_Cell_Type


Specifying the subcellular location in which a process happens

1. Protein interaction at the sarcoplasmic reticulum:

Statement from paper:

Canine cardiac junctional SR vesicles were solubilized with 2% Triton X-100 and loaded on the affinity column equilibrated in EGTA-containing buffer (Fig.1). Calsequestrin-binding proteins were then eluted in buffer containing 20 mm CaCl2, a calcium concentration sufficient to disrupt all calsequestrin protein-binding interactions. Immunoblotting of the eluted fractions with triadin antibody revealed that triadin bound completely to the column and was eluted as a discrete peak in Ca2+-containing buffer (Fig. 1 A, upper)


Gene Name (col 2) GO ID (col 5) Reference (col 6) Evidence (col 7) With (col 8) Annotation Extension (col 16)
P12637 CASQ2 GO:0005515 protein binding PMID:9287354 IPI P82179 TRDN occurs_in(GO:0016529 sarcoplasmic reticulum)

2. Sequestering of calcium ion at sarcoplasmic reticulum:

Statement from paper:

To characterize the effects of the new CASQ2 mutations on SR Ca2+ handling in vivo, we performed experiments in adult rat ventricular myocytes infected with adenoviral constructs. Caffeine (10 mmol/L) was applied to myocytes expressing either WT or mutant CASQ2 to evaluate the SR Ca2+-storing capacity by measurement of fluo-3 fluorescence and of Na+/Ca2+ exchange current (INCX; Figure 4A; Table 1).21 Expression of WT increased the SR Ca2+ content by 50%, whereas CASQ2 G112+5X reduced the SR content, not only as compared with WT expression but also as compared with native cells (Ad-control).


Gene Name (col 2) GO ID (col 5) Reference (col 6) Evidence (col 7) Annotation Extension (col 16)
O14958 CASQ2 GO:0051208 sequestering of calcium ion PMID:16908766 IMP occurs_in(GO:0016529 sarcoplasmic reticulum), occurs_in(CL:0000746 cardiac muscle cell)

Note the use of the comma to create a compound annotation extension. The interpretation of this annotation is CASQ2 is involved in sequestering calcium ions in the sarcoplasmic reticulum of cardiac muscle cell.

Using examples (from above) to demonstrate Folding_and_Unfolding using the relationship occurs_in

1. Differentiation of a particular cell type:

Folded/unfolded Gene Name (col 2) GO ID (col 5) Reference (col 6) Evidence (col 7) Annotation Extension (col 16) Parent terms of new folded GO term
Unfolded MGI:2448712 Ren GO:0030154 cell differentiation PMID:12186855 IDA occurs_in(CL:0000540 neuron)
Folded MGI:2448712 Ren New GO ID neuron cell differentiation PMID:12186855 IDA is_a cell differentiation


2. A protein's involvement in changing a particular cell's shape:

Note the use of the pipe to create a multiple annotation extensions.

Folded/unfolded Gene Name (col 2) GO ID (col 5) Reference (col 6) Evidence (col 7) Annotation Extension (col 16) Parent terms of new folded GO term
Unfolded Q99616 MCP4 GO:0008360 regulation of cell shape PMID:10072545 IDA occurs_in(CL:0000771 eosinophil) 'pipe' occurs_in(CL:0000576 monocyte)
Folded Q99616 MCP4 New GO ID regulation of eosinophil cell shape PMID:10072545 IDA is_a regulation of cell shape
Folded Q99616 MCP4 New GO ID regulation of monocyte cell shape PMID:10072545 IDA is_a regulation of cell shape

Back to Annotation usage examples for each annotation extension relation