Chains and heterogens:
PDB Chain Sequences:
>1pbyA (A:) vtgeevlqnacaachvqhedgrweridaarktpegwdmtvtrmmrnhgvalepeeraaiv rhlsdtrglslaeteerryilerepvawdegpdtsmtqtcgrchsyarvalqrrtpedwk hlvnfhlgqfptleyqalardrdwwgiaqaeiipflartyplgeapdayaddasgayvla grqpgrgdytgrlvlkkagedyevtmtldfadgsrsfsgtgrilgagewratlsdgtvti rqifalqdgrfsgrwhdadsdviggrlaavkadaapqvlavaparlkigeetqlrvagtg lgsdltlpegvagsvesagngvtvlkltatgtpgpvslelggqkvdlvaydrpdrisivp dltiariggnggpipkvpaqfeamgwlngpdgqpgtgddialgafpaswatdnfdeeaek mqdakyagsiddtglftpaeagpnperpmqtnnagnlkviatvdaegeplsaeahlyatv qrfvdapir
>1pbyB (B:) rdyilaparpdklvvidtekmavdkvitiadagptpmvpmvapggriayatvnkseslvk idlvtgetlgridlstpeervkslfgaalspdgktlaiyespvrlelthfevqptrvaly daetlsrrkafeaprqitmlawardgsklyglgrdlhvmdpeagtlvedkpiqsweaety aqpdvlavwnqhessgvmatpfytarkdidpadptayrtglltmdletgemamrevrimd vfyfstavnpaktrafgaynvlesfdleknasikrvplphsyysvnvstdgstvwlggal gdlaaydaetlekkgqvdlpgnasmslasvrlftrde
>1pbyC (C:) mnalvgcttsfdpgwevdafgavsnlcqpmeadlygcadpcwwpaqvadtlntypnwsag addvmqdwrklqsvfpetk