Merge pull request #108 from HUPO-PSI/edeutsch-dissociation

Update and add dissociation terms

psi-ms.obo

@@ -1,7 +1,7 @@
 format-version: 1.2
-data-version: 4.1.74
-date: 16:03:2022 10:37
-saved-by: Wout Bittremieux
+data-version: 4.1.75
+date: 23:03:2022 02:22
+saved-by: Eric Deutsch
 auto-generated-by: OBO-Edit 2.3.1
 import: http://purl.obolibrary.org/obo/pato.obo
 import: http://purl.obolibrary.org/obo/uo.obo
@@ -1939,7 +1939,7 @@ id: MS:1000262
 name: infrared multiphoton dissociation
 def: "Multiphoton ionization where the reactant ion dissociates as a result of the absorption of multiple infrared photons." [PSI:MS]
 synonym: "IRMPD" EXACT []
-is_a: MS:1000044 ! dissociation method
+is_a: MS:1000435 ! photodissociation
 
 [Term]
 id: MS:1000263
@@ -4265,7 +4265,7 @@ is_a: MS:1000462 ! ion optics
 [Term]
 id: MS:1000598
 name: electron transfer dissociation
-def: "A process to fragment ions in a mass spectrometer by inducing fragmentation of cations (e.g. peptides or proteins) by transferring electrons to them." [PSI:MS]
+def: "A process to fragment ions in a mass spectrometer by inducing fragmentation of cations (e.g. peptides or proteins) by transferring electrons from radical-anions." [DOI:10.1073/pnas.0402700101, PMID:15210983, PSI:MS]
 synonym: "ETD" EXACT []
 is_a: MS:1000044 ! dissociation method
 
@@ -22289,6 +22289,34 @@ name: Q Exactive UHMR
 def: "Thermo Scientific Q Exactive UHMR (Ultra High Mass Range) Hybrid Quadrupole Orbitrap MS." [PSI:PI]
 is_a: MS:1000494 ! Thermo Scientific instrument model
 
+[Term]
+id: MS:1003246
+name: ultraviolet photodissociation
+def: "Multiphoton ionization where the reactant ion dissociates as a result of the absorption of multiple UV photons." [PSI:MS]
+synonym: "UVPD" EXACT []
+is_a: MS:1000435 ! photodissociation
+
+[Term]
+id: MS:1003247
+name: negative electron transfer dissociation
+def: "A process to fragment ions in a mass spectrometer by inducing fragmentation of anions (e.g. peptides or proteins) by transferring electrons to a radical-cation." [DOI:10.1016/j.jasms.2005.01.015, PSI:MS]
+synonym: "NETD" EXACT []
+is_a: MS:1000044 ! dissociation method
+
+[Term]
+id: MS:1003248
+name: proton transfer reaction
+def: "Process to transfer a proton from a hydronium ion (H3O+) to neutral analyte, leading to a protonated analyte, which typically does not lead to fragmentation." [DOI:10.1002/mas.20048, PSI:MS]
+synonym: "PTR" EXACT []
+is_a: MS:1000008 ! ionization type
+
+[Term]
+id: MS:1003249
+name: proton transfer charge reduction
+def: "Process to transfer one or more protons from a multiply charged cation (peptide or protein ion) to a proton acceptor anion or neutral basic compound, thereby reducing the charge of the original analyte." [PSI:MS]
+synonym: "PTCR" EXACT []
+is_a: MS:1000008 ! ionization type
+
 [Term]
 id: MS:4000000
 name: PSI-MS CV Quality Control Vocabulary