/// <summary>
/// constructor
/// </summary>
public TranscriptMetadata(CompactId transcriptId, int transcriptLength, int cdsLength, bool isLrg)
{
var id = transcriptId.ToString();
TranscriptId = id;
TranscriptLength = transcriptLength;
CdsLength = cdsLength;
IsLrg = isLrg;
AccessionNumber = GetAccessionNumber(id);
}