Chains and heterogens:
PDB Chain Sequences:
>1z4wA (A:) spseslitqkqimsqagstgsnsglgsitdllnnilsvanqiiynsavalplqldtlest lltaikslqtsdkleqncswsaalindnryinginqfyfsiaegrnltlgpllnmpsfip tattpegctripsfsltkthwcythnvilngcqdhvssnqfvsmgiieptsagfpffrtl ktlylsdgvnrkscsistvpggcmmycfvstqperddyfsaappeqriiimyyndtiver iinppgvldvwatlnpgtgsgvyylgwvlfpiyggvikgtslwnnqankyfipqmvaalc sqnqatqvqnakssyysswfgnrmiqsgilacplrqdltneclvlpfsndqvlmgaegrl ymygdsvyyyqrsnswwpmtmlykvtitftngqpsaisaqnvptqqvprpgtgdcsatnr cpgfcltgvyadawlltnpsststfgseatftgsylntatqrinptmyianntqiissqq fgssgqeaayghttcfrdtgsvmvyciyiielsssllgqfqivpfirqvtls
>1z4wA (A:) indnryinginqfyfsiaegrnltlgpllnmpsfiptattpegctripsfsltkthwcyt hnvilngcqdhvssnqfvsmgiieptsagfpffrtlktlylsdgvnrkscsistvpggcm mycfvstqperddyfsaappeqriiimyyndtiveriinppgvldvwatlnpgtgsgvyy lgwvlfpiyggvikgtslwnnqankyfipqmvaalcsqnqatqvqnakssyysswfgnrm iqsgilacplrqdltneclvlpfsndqvlmgaegrlymygdsvyyyqrsnswwpmtmlyk vtitftngqpsaisaqnvptqqvprpgtgdcsatnrcpgfcltgvyadawlltnpsstst fgseatftgsylntatqrinptmyianntqiissqqfgssgqeaayghttcfrdtgsvmv yciyiielsssllgqfqivpfirqvtls