Table 1.

Detailed field entry data for TP53LNC database

Field code	Entry variables	Description of criteria
P53LncRNA_ID	P53LNCxxxx	System generate unique identifier for TP53LNC database
LNCipedia_ID		Unique identifier assigned from the LncRNAdb project with link out service to LNCipedia.org entry
Ensembl_ID	ENSTxxxx	The transcript variant associated with the gene symbol with link out service to Ensemble
NONCODE_ID	NONHSATxxxx	The transcript variant associated with the gene symbol with link out service to NONCODE
Symbol		The lncRNAs identified by its common HNGC identifier along with available identifying information retrieved from each publication
Verification	Predicted OR Verified (If verified methods specified)	LncRNAs associated with p53-signalling either Predicted (no further experimental evidence available) or Verified (supported by additional experimentation)
Method	The experimental methods that were employed to identify the lncRNAs, such as microarray, RNA-seq, Tilling array, etc.	The experimental approach by which a particular or a large dataset(s) LncRNA related to p53 signalling was identified
p53_regul.	Up-regulated, Down-regulated, N/A	Up-regulated/ Down-regulated according to positive or negative regulation by p53. N/A if unknown
p53_pathway	Pathway(s) OR cellular process(es) such as DNA damage response (DDR), cell cycle, senescence, proliferation, etc.	Particular signalling pathway(s) or processes involved where lncRNAs are Verified
Tissue_Cells	Cell line (tissue source/name specified)	The specific cell(s) type OR tissue(s) (cancerous) in which lncRNA(s) are identified
PMID		Link out to PMIDs of the relevant article