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. 2017 Feb 3;474(4):493–515. doi: 10.1042/BCJ20160991

Table 1. ECO codes used during the UniProtKB manual curation process.

ECO code Term name Usage
ECO:0000269 Experimental evidence used in manual assertion Information for which there is published experimental evidence
ECO:0000303 Non-traceable author statement used in manual assertion Information based on author statements in scientific articles for which there is no experimental support
ECO:0000250 Sequence similarity evidence used in manual assertion Information which has been propagated from a related experimentally characterized protein
ECO:0000312 Imported information used in manual assertion Information which has been imported from another database and manually verified
ECO:0000305 Curator inference used in manual assertion Information which has been inferred by a curator based on his/her scientific knowledge or on the scientific content of an article
ECO:0000255 Match to sequence model evidence used in manual assertion Information originating from the UniProt automatic annotation systems or any of the sequence analysis programs used during the manual curation process and which has been manually verified
ECO:0000244 Combinatorial evidence used in manual assertion Information which is manually curated based on a combination of experimental and computational evidence