>3pz4B (B:) observed residues (from ATOM records)
eplyslrpeharerlqddsvetvtsieqakveekiqevfssykfnhlvprlvlqrekhfh
ylkrglrqltdayecldasrpwlcywilhslelldepipqivatdvcqflelcqspdggf
gggpgqyphlaptyaavnalciigteeaynvinrekllqylyslkqpdgsflmhvggevd
vrsaycaasvasltniitpdlfegtaewiarcqnweggiggvpgmeahggytfcglaalv
ilkkerslnlksllqwvtsrqmrfeggfqgrcnklvdgcysfwqagllpllhralhaqgd
palsmshwmfhqqalqeyilmccqcpagglldkpgksrdfyhtcyclsglsiaqhfgsga
mlhdvvmgvpenvlqpthpvynigpdkviqatthflqkpvpgf