>2bz4A (A:) observed residues (from ATOM records)
mkravitglgivssignnqqevlaslregrsgitfsqelkdsgmrshvwgnvkldttgli
drkvvrfmsdasiyaflsmeqaiadaglspeayqnnprvgliagsgggsprfqvfgadam
rgprglkavgpyvvtkamasgvsaclatpfkihgvnysissacatsahcignaveqiqlg
kqdivfagggeelcwemacefdamgalstkyndtpekasrtydahrdgfviaggggmvvv
eelehalargahiyaeivgygatsdgadmvapsgegavrcmkmamhgvdtpidylnsqgt
stpvgdvkelaairevfgdkspaisatkamtghslgaagvqeaiysllmlehgfiapsin
ieeldeqaaglnivtettdrelttvmsnsfgfggtnatlvmrklkd