Chains and heterogens:
PDB Chain Sequences:
>4c21A (A:) hhhhhssglvprgahmamiqhprigirptidgrrqgvreslevqtmnmaksvadlisstl kypdgepvecvispstigrvpeaaashelfkksnvcatitvtpcwcygsetmdmspdiph aiwgfngterpgavylaavlashaqkgipafgiygrdvqeasdtdipedvkekllryara alatglmrdtaylsmgsvsmgiggsivnpdffqeylgmrnesvdmteftrrmdrgiydpe eferalkwvkenvkegfdhnredlvlsreekdrqwefvikmfmigrdlmvgnprlaelgf eeeavghhalvagfqgqrqwtdhfpngdfmetflntqfdwngirkpfvfatendslngvs mlfnylltntpqifadvrtywspeavkrvtghtlegraaagflhlinsgsctldgtgqat rdgkpimkpfweleesevqamlentdfppanreyfrgggfstrfltkgdmpvtmvrlnll kgvgpvlqiaegytlelpedvhhtldnrtdpgwpttwfaprltgkgafksvydvmnnwga nhgaityghigadlitlasmlripvnmhnvpeedifrpknwslfgtedlesadyracqll gplhk
>4c21A (A:) iqhprigirptidgrrqgvreslevqtmnmaksvadlisstlkypdgepvecvispstig rvpeaaashelfkksnvcatitvtpcwcygsetmdmspdiphaiwgfngterpgavylaa vlashaqkgipafgiygrdvqeasdtdipedvkekllryaraalatglmrdtaylsmgsv smgiggsivnpdffqeylgmrnesvdmteftrrmdrgiydpeeferalkwvkenvkegfd hnredlvlsreekdrqwefvikmfmigrdlmvgnprlaelgfeeeavghhalvagfqgqr qwtdhfpngdfmetflntqfdwngirkpfvfatendslngvsmlfnylltntpqifadvr tywspeavkrvtghtlegraaagflhlinsgsctldgtgqatrdgkpimkpfweleesev qamlentdfppanreyfrgggfstrfltkgdmpvtmvrlnllkgvgpvlqiaegytlelp edvhhtldnrtdpgwpttwfaprltgkgafksvydvmnnwganhgaityghigadlitla smlripvnmhnvpeedifrpknwslfgtedlesadyracqllgplhk
>4c21B (B:) hhhhhssglvprgahmamiqhprigirptidgrrqgvreslevqtmnmaksvadlisstl kypdgepvecvispstigrvpeaaashelfkksnvcatitvtpcwcygsetmdmspdiph aiwgfngterpgavylaavlashaqkgipafgiygrdvqeasdtdipedvkekllryara alatglmrdtaylsmgsvsmgiggsivnpdffqeylgmrnesvdmteftrrmdrgiydpe eferalkwvkenvkegfdhnredlvlsreekdrqwefvikmfmigrdlmvgnprlaelgf eeeavghhalvagfqgqrqwtdhfpngdfmetflntqfdwngirkpfvfatendslngvs mlfnylltntpqifadvrtywspeavkrvtghtlegraaagflhlinsgsctldgtgqat rdgkpimkpfweleesevqamlentdfppanreyfrgggfstrfltkgdmpvtmvrlnll kgvgpvlqiaegytlelpedvhhtldnrtdpgwpttwfaprltgkgafksvydvmnnwga nhgaityghigadlitlasmlripvnmhnvpeedifrpknwslfgtedlesadyracqll gplhk