In cooperation with B/D-HPP investigators, the C-HPP Special Issue JPR came out on December 1, 2017, which marks the fifth consecutive edition since the first issue has been published in January 2013. This issue culminates in total 191 papers which are focused on C-HPP initiative and related HPP topics. In this issue, 27 papers address (1) the accurate mapping of human protein parts list, which has been well progressed towards the completion of HPP goals and (2) advances in the proteomic technologies for the broader community (Paik et al., 2017, in Editorial). Those 27 manuscripts are categorized in four subjects: (i) Metrics of Progress and Resources, (ii) Missing Protein Detection and Validation, (iii) Analytical Methods and Quality Assessment, and (iv) Protein Functions and Disease.
All manuscripts in JPR special issue provided data on missing proteins and other claims for new protein sequences in accordance with the Human Proteome Project Data Interpretation Guidelines (Version 2.1.0 - July 28, 2016) which requires mandatory full submission of LC-MS/MS data to ProteomeXchange. For this special issue the version of neXtProt issued on January 23, 2017 was used, which has confident protein identification for 17 008 human protein coding genes (category PE1) leaving 2 579 human protein coding genes for which evidence at protein levels should be found either using mass spectrometry or other analytical methods (missing proteins with protein evidence level PE2+PE3+PE4) and 572 human genes which are considered to be dubious (protein evidence PE5). Notably, authors report 73 new missing protein detections by mass spectrometry using several approaches. This data is currently being processed by PeptideAtlas and neXtProt and will be available in the next versions of these two resources, expected in January and February 2018, respectively. The 2018 special issue will be continued and was announced with a ‘Call for Papers’ in JPR, with deadline to submit manuscripts of May 31, 2018. This issue will also cover both C-HPP and B/D-HPP subjects. For this special issue the version of neXtProt that will be issued on February will serve as a reference. Read the December 2017 issue of the Journal of Proteome Research here.
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