Chains and heterogens:
PDB Chain Sequences:
>1kvu_ (-) mrvlvtggsgyigshtcvqllqnghdviildnlcnskrsvlpvierlggkhptfvegdir nealmteilhdhaidtvihfaglkavgesvqkpleyydnnvngtlrlisamraanvknfi fsssatvygdqpkipyvesfptgtpqspfgksklmveqiltdlqkaqpdwsiallryfnp vgahpsgdmgedpqgipnnlmpyiaqvavgrrdslaifgndyptedgtgvrdyihvmdla dghvvameklankpgvhiynlgagvgnsvldvvnafskacgkpvnyhfaprregdlpayw adaskadrelnwrvtrtldemaqdtwhwqsrhpqgypd