>1fz4D (D:) observed residues (from ATOM records)
smlgerrrgltdpemaavilkalpeapldgnnkmgyfvtprwkrlteyealtvyaqpnad
wiaggldwgdwtqkfhggrpswgnettelrtvdwfkhrdplrrwhapyvkdkaeewrytd
rflqgysadgqiramnptwrdefinrywgaflfneyglfnahsqgarealsdvtrvslaf
wgfdkidiaqmiqlergflakivpgfdestavpkaewtngevyksarlaveglwqevfdw
nesafsvhavydalfgqfvrreffqrlaprfgdnltpffinqaqtyfqiakqgvqdlyyn
clgddpefsdynrtvmrnwtgkwleptiaalrdfmglfaklpagttdkeeitaslyrvvd
dwiedyasridfkadrdqivkavlagl