>2bz4B (B:) observed residues (from ATOM records)
mkravitglgivssignnqqevlaslregrsgitfsqelkdsgmrshvwgnvkldttgli
drkvvrfmsdasiyaflsmeqaiadaglspeayqnnprvgliagsgggsprfqvfgadam
rgprglkavgpyvvtkamasgvsaclatpfkihgvnysissacatsahcignaveqiqlg
kqdivfagggeelcwemacefdamgalstkyndtpekasrtydahrdgfviaggggmvvv
eelehalargahiyaeivgygatsdgadmvapsgegavrcmkmamhgvdtpidylnsqgt
stpvgdvkelaairevfgdkspaisatkamtghslgaagvqeaiysllmlehgfiapsin
ieeldeqaaglnivtettdrelttvmsnsfgfggtnatlvmrklkd