ENSCORESW-1316: add protein_id field for CDS
ENSCORESW-1316: add protein_id field for CDS

james-monkeyshines/ensembl,muffato/ensembl,danstaines/ensembl,muffato/ensembl,muffato/ensembl,mjg17/ensembl,Ensembl/ensembl,danstaines/ensembl,mjg17/ensembl,muffato/ensembl,james-monkeyshines/ensembl,mjg17/ensembl,james-monkeyshines/ensembl,Ensembl/ensembl,james-monkeyshines/ensembl,Ensembl/ensembl,Ensembl/ensembl,danstaines/ensembl,mjg17/ensembl