Chains and heterogens:
PDB Chain Sequences:
>1xp0A (A:) mgsshhhhhhssglvprgshmeeetrelqslaaavvpsaqtlkitdfsfsdfelsdleta lctirmftdlnlvqnfqmkhevlcrwilsvkknyrknvayhnwrhafntaqcmfaalkag kiqnkltdleilalliaalshdldhpgvsnqflintnselalmyndesvlehhhfdqclm ilnspgnqilsglsieeykttlkiikqailatdlalyikrrgeffelirknqfnledphq kelflamlmtacdlsaitkpwpiqqriaelvateffdqgdrerkelnieptdlmnrekkn kipsmqvgfidaiclqlyealthvsedcfplldgcrknrqkwqalaeqqekmlingesgq akrn
>1xp0A (A:) eeetrelqslaaavvpsaqtlkitdfsfsdfelsdletalctirmftdlnlvqnfqmkhe vlcrwilsvkknyrknvayhnwrhafntaqcmfaalkagkiqnkltdleilalliaalsh dldhpgvsnqflintnselalmyndesvlehhhfdqclmilnspgnqilsglsieeyktt lkiikqailatdlalyikrrgeffelirknqfnledphqkelflamlmtacdlsaitkpw piqqriaelvateffdqgdrerkelnieptdlmnrekknkipsmqvgfidaiclqlyeal thvsedcfplldgcrknrqkwqalae