This data exists in five parts to make downloading easier.
Part A, covers CYP1 to CYP2 (animals only)
Part B covers CYP3 to CYP9 (animals only)
Part C covers CYP10 to CYP69 and 501-699 and 5001 and higher.
This section includes animals, fungi and other lower eukaryotes
Part D Plants covers CYP71 to CYP99 and 701-772.
Part E Bacteria covers CYP101 to CYP281.
Part F covers fish P450s (not current).
These files include references to confidential sequences that have been named,
but the sequences are not accessible.