Chains and heterogens:
PDB Chain Sequences:
>1ew2A (A:) iipveeenpdfwnreaaealgaakklqpaqtaaknliiflgdgmgvstvtaarilkgqkk dklgpeiplamdrfpyvalsktynvdkhvpdsgatataylcgvkgnfqtiglsaaarfnq cnttrgnevisvmnrakkagksvgvvtttrvqhaspagtyahtvnrnwysdadvpasarq egcqdiatqlisnmdidvilgggrkymfrmgtpdpeypddysqggtrldgknlvqewlak rqgaryvwnrtelmqasldpsvthlmglfepgdmkyeihrdstldpslmemteaalrlls rnprgfflfveggridhghhesrayraltetimfddaieragqltseedtlslvtadhsh vfsfggyplrgssifglapgkardrkaytvllygngpgyvlkdgarpdvtesesgspeyr qqsavpldeethagedvavfargpqahlvhgvqeqtfiahvmafaaclepytacdlappa gttdaahpgrsvvpallpllagtlllletatap
>1ew2A (A:) iipveeenpdfwnreaaealgaakklqpaqtaaknliiflgdgmgvstvtaarilkgqkk dklgpeiplamdrfpyvalsktynvdkhvpdsgatataylcgvkgnfqtiglsaaarfnq cnttrgnevisvmnrakkagksvgvvtttrvqhaspagtyahtvnrnwysdadvpasarq egcqdiatqlisnmdidvilgggrkymfrmgtpdpeypddysqggtrldgknlvqewlak rqgaryvwnrtelmqasldpsvthlmglfepgdmkyeihrdstldpslmemteaalrlls rnprgfflfveggridhghhesrayraltetimfddaieragqltseedtlslvtadhsh vfsfggyplrgssifglapgkardrkaytvllygngpgyvlkdgarpdvtesesgspeyr qqsavpldeethagedvavfargpqahlvhgvqeqtfiahvmafaaclepytacdlapp