Chains and heterogens:
PDB Chain Sequences:
>1e46P (P:) mernklarqiidtclemtrlglnqgtagnvsvryqdgmlitptgipyeklteshivfidg ngkheegklpssswrfhmaayqsrpdanavvhnhavhctavsilnrsipaihymiaaagg nsipcapyatfgtrelsehvalalknrkatllqhhgliacevnlekalwlahevevlaql ylttlaitdpvpvlsdeeiavvlekf