chromosome_id has to be int in assembly
chromosome_id has to be int in assembly

muffato/ensembl,muffato/ensembl,danstaines/ensembl,mjg17/ensembl,danstaines/ensembl,muffato/ensembl,mjg17/ensembl,Ensembl/ensembl,mjg17/ensembl,james-monkeyshines/ensembl,willmclaren/ensembl,Ensembl/ensembl,at7/ensembl,at7/ensembl,at7/ensembl,james-monkeyshines/ensembl,mjg17/ensembl,james-monkeyshines/ensembl,james-monkeyshines/ensembl,Ensembl/ensembl,danstaines/ensembl,muffato/ensembl,willmclaren/ensembl,Ensembl/ensembl,at7/ensembl