Chains and heterogens:
PDB Chain Sequences:
>4xghA (A:) mahhhhhhmgtleaqtqgpgsmtpsdvkatlsfsdnspsvelpiykgtmgpdvidirkly gqtgkftydpgfmstascnsaityidgdkgellyrgypidnlaqnadflescylllkgel pnaaqkkefvatvtkhtmvheqmqfffrgfrrdahpmailvaavgalsafyhdsldindp rhrevsairmiaklptlvamaykysigqpfvyprndlsysanfmrmmfanpceeykvndv lvraldrililhadheqnaststvrlagssganpfaciaagiaclwgpahgganeaalnm leqigtpdnipefikqvkdknsgvklmgfghrvyknydpraklmretcyevlnelglhdd plfklamqlekialedeyfvsrklypnvdfysgivqralgiptsmftcifamartvgwia qwnemiadpeqkigrprqlfigetpraakpidqr
>4xghA (A:) dvkatlsfsdnspsvelpiykgtmgpdvidirklygqtgkftydpgfmstascnsaityi dgdkgellyrgypidnlaqnadflescylllkgelpnaaqkkefvatvtkhtmvheqmqf ffrgfrrdahpmailvaavgalsafyhdsdprhrevsairmiaklptlvamaykysigqp fvyprndlsysanfmrmmfanpceeykvndvlvraldrililhadheqnaststvrlags sganpfaciaagiaclwgpgganeaalnmleqigtpdnipefikydpraklmretcyevl nelglhddplfklamqleklypnvdfysgivqralgiptsmftcifamartvgwiaqwne miadpeqkigrprqlfigetpraakpidqr