Chains and heterogens:
PDB Chain Sequences:
>4rlfA (A:) vtpppekfnfaehllqtnrvrpdktafvddisslsfaqleaqtrqlaaalraigvkreer vlllmldgtdwpvaflgaiyagivpvavntlltaddyaymlehsraqavlvsgalhpvlk aaltksdhevqrvivsrpaaplepgevdfaefvgahaplekpaatqaddpafwlyssgst grpkgvvhthanpywtselygrntlhlreddvcfsaaklffayglgnaltfpmtvgattl lmgerptpdavfkrwlggvggvkptvfygaptgyagmlaapnlpsrdqvalrlassagea lpaeigqrfqrhfgldivdgigstemlhiflsnlpdrvrygttgwpvpgyqielrgdggg pvadgepgdlyihgpssatmywgnraksrdtfqggwtksgdkyvrnddgsytyagrtddm lkvsgiyvspfeieatlvqhpgvleaavvgvadehgltkpkayvvprpgqtlsetelktf ikdrlapykyprstvfvaelpktatgkiqrfklregvlg
>4rlfA (A:) vtpppekfnfaehllqtnrvrpdktafvddisslsfaqleaqtrqlaaalraigvkreer vlllmldgtdwpvaflgaiyagivpvavntlltaddyaymlehsraqavlvsgalhpvlk aaltksdhevqrvivsrpaaplepgevdfaefvgahaplekpaatqaddpafwlyssgst grpkgvvhthanpywtselygrntlhlreddvcfsaaklffayglgnaltfpmtvgattl lmgerptpdavfkrwlggvggvkptvfygaptgyagmlaapnlpsrdqvalrlassagea lpaeigqrfqrhfgldivdgigstemlhiflsnlpdrvrygttgwpvpgyqielrgdggg pvadgepgdlyihgpssatmywgnraksrdtfqggwtksgdkyvrnddgsytyagrtddm lkvsgiyvspfeieatlvqhpgvleaavvgvadehgltkpkayvvprpgqtlsetelktf ikdrlapykyprstvfvaelpktatgkiqrfklreg
>4rlfB (B:) vtpppekfnfaehllqtnrvrpdktafvddisslsfaqleaqtrqlaaalraigvkreer vlllmldgtdwpvaflgaiyagivpvavntlltaddyaymlehsraqavlvsgalhpvlk aaltksdhevqrvivsrpaaplepgevdfaefvgahaplekpaatqaddpafwlyssgst grpkgvvhthanpywtselygrntlhlreddvcfsaaklffayglgnaltfpmtvgattl lmgerptpdavfkrwlggvggvkptvfygaptgyagmlaapnlpsrdqvalrlassagea lpaeigqrfqrhfgldivdgigstemlhiflsnlpdrvrygttgwpvpgyqielrgdggg pvadgepgdlyihgpssatmywgnraksrdtfqggwtksgdkyvrnddgsytyagrtddm lkvsgiyvspfeieatlvqhpgvleaavvgvadehgltkpkayvvprpgqtlsetelktf ikdrlapykyprstvfvaelpktatgkiqrfklregvlg