Chains and heterogens:
PDB Chain Sequences:
>2b4sA (A:) memekefeqidksgswaaiyqdirheasdfpcrvaklpknknrnryrdvspfdhsriklh qedndyinaslikmeeaqrsyiltqgplpntcghfwemvweqksrgvvmlnrvmekgslk caqywpqkeekemifedtnlkltlisediksyytvrqlelenlttqetreilhfhyttwp dfgvpespasflnflfkvresgslspehgpvvvhasagigrsgtfcladtclllmdkrkd pssvdikkvllemrkfrmgliqtadqlrfsylaviegakfimgdssvqdqwkelshed
>2b4sA (A:) emekefeqidksgswaaiyqdirheasdfpcrvaklpknknrnryrdvspfdhsriklhq edndyinaslikmeeaqrsyiltqgplpntcghfwemvweqksrgvvmlnrvmgslkcaq ywpqkeekemifedtnlkltlisediksyytvrqlelenlttqetreilhfhyttwpdfg vpespasflnflfkvresgslspehgpvvvhasagigrsgtfcladtclllmdkrkdpss vdikkvllemrkfrmgliqtadqlrfsylaviegakfimgdssvqdqwk
>2b4sB (B:) vfpssvyvpdewevsrekitllrelgqgsfgmvyegnardiikgeaetrvavktvnesas lrerieflneasvmkgftchhvvrllgvvskgqptlvvmelmahgdlksylrslrpeaen npgrppptlqemiqmaaeiadgmaylnakkfvhrdlaarncmvahdftvkigdfgmtrdi yetdyyrkggkgllpvrwmapeslkdgvfttssdmwsfgvvlweitslaeqpyqglsneq vlkfvmdggyldqpdncpervtdlmrmcwqfnpnmrptfleivnllkddlhpsfpevsff hseenk
>2b4sB (B:) dewevsrekitllrelgqgsfgmvyegnardiikgeaetrvavktvnesaslreriefln easvmkgftchhvvrllgvvskgqptlvvmelmahgdlksylrslrpeaennpgrppptl qemiqmaaeiadgmaylnakkfvhrdlaarncmvahdftvkigdfgmtrdiyetdyyrkg gkgllpvrwmapeslkdgvfttssdmwsfgvvlweitslaeqpyqglsneqvlkfvmdgg yldqpdncpervtdlmrmcwqfnpnmrptfleivnllkddlhpsfpevsffhseenk
>2b4sD (D:) vfpssvyvpdewevsrekitllrelgqgsfgmvyegnardiikgeaetrvavktvnesas lrerieflneasvmkgftchhvvrllgvvskgqptlvvmelmahgdlksylrslrpeaen npgrppptlqemiqmaaeiadgmaylnakkfvhrdlaarncmvahdftvkigdfgmtrdi yetdyyrkggkgllpvrwmapeslkdgvfttssdmwsfgvvlweitslaeqpyqglsneq vlkfvmdggyldqpdncpervtdlmrmcwqfnpnmrptfleivnllkddlhpsfpevsff hseenk
>2b4sD (D:) dewevsrekitllrelgqgsfgmvyegnardiikgeaetrvavktvnesaslreriefln easvmkgftchhvvrllgvvskgqptlvvmelmahgdlksylrslrpeaennpgrppptl qemiqmaaeiadgmaylnakkfvhrdlaarncmvahdftvkigdfgmtrdiyetdyyrkg gkgllpvrwmapeslkdgvfttssdmwsfgvvlweitslaeqpyqglsneqvlkfvmdgg yldqpdncpervtdlmrmcwqfnpnmrptfleivnllkddlhpsfpevsffhseenk