Chains and heterogens:
PDB Chain Sequences:
>4p9nA (A:) pldprikkllesgfvvpigkasvdevrkifrqlasaapkaevrkvedikipgsetsinar vyfpkakgpygvlvylhgggfvigdvesydplcraitnacncvvvsvdyrlapeykfpsa vidsfdatnwiynnldkfdgemgiaiagdsaggnlaavvallskgkldlkyqiliypavg fdsvsrsmieysdgffltrehiewfgsqylrspadlldfrfspiiaqdlsglppaliita eydplrdpeeayanrllqagvpvtsvrfnnvihgflsffplidqgkdaigligsvlrrtf ydks