Chains and heterogens:
PDB Chain Sequences:
>1udcA (A:) mrvlvtggsgyigshtcvqllqnghdviildnlcnskrsvlpvierlggkhptfvegdir nealmteilhdhaidtvihfaglkavgesvqkpleyydnnvngtlrlisamraanvknfi fsssatvygdqpkipyvesfptgtpqspygksklmveqiltdlqkaqpdwsiallryfnp vgahpsgdmgedpqgipnnlmpyiaqvavgrrdslaifgndyptedgtgvrdyihvmdla dghvvameklankpgvhiynlgagvgnsvldvvnafskacgkpvnyhfaprregdlpayw adaskadrelnwrvtrtldemaqdtwhwqsrhpqgypd