I have a .go file from the supplementary material of a paper and am trying to understand the formatting. Here's a sample:
Ocbimv22017828m GO:chromatin binding ; GO:0003682;GO:protein binding ; GO:0005515 Ocbimv22003392m GO:protein binding ; GO:0005515 Ocbimv22036412m GO:DNA binding ; GO:0003677|GO:DNA-directed RNA polymerase activity ; GO:0003899|GO:transcription, DNA-templated ; GO:0006351 Ocbimv22003166m GO:scavenger receptor activity ; GO:0005044|GO:membrane ; GO:0016020 Ocbimv22034134m GO:protein binding ; GO:0005515|GO:zinc ion binding ; GO:0008270 Ocbimv22036284m GO:sequence-specific DNA binding transcription factor activity ; GO:0003700|GO:regulation of transcription, DNA-dependent ; GO:0006355|GO:nucleus ; GO:0005634 Ocbimv22004380m GO:transmembrane transporter activity ; GO:0022857|GO:transmembrane transport ; GO:0055085|GO:integral to membrane ; GO:0016021
The Ocbimv22... are the transcript IDs and each has corresponding GO terms. However, sometimes GO terms are separated by semicolons and sometimes by vertical lines. Is this a standard file format (I'm new to this field)? I've tried contacting the corresponding author but have not heard word back... Does semicolon mean something different than vertical line? Or is it safe to assume they're synonymous?