Chains and heterogens:
PDB Chain Sequences:
>4ha3A (A:) avtfpkdflfgwsqagfqsemgtpgsedpnsdwyawvhdreniaaglvsgdfpengpgyw gnyrkfhdaaqamgltaarigvewsrifprptfdvkvdaevkgddvlsvyvsegaleqld kmanrdainhyremfsdlrsrgitfilnlyhwplplwlhdpiairrgnlsapsgwldvrt viefakfsayvawklddlvymystmnepnvvwglgyaavksgfppgylclecagramknl vqaharaydavkaitkkpvgviyansdftpltdadreaaerakfdnrwaffdavvrgqlg gstrddlkgrldwigvnyytrqvvrargsgyeivpgyghgcepngvspagrpcsdfgwef ypeglynvlkeywdryhlpllvtengiadegdyqrpyylvshvyqvhralqdgvnvigyl hwsladnyewasgfskrfgllmvdystkrlhwrpsafiyreiaksraitdeiehlnsvpp lrglspghr