Chains and heterogens:
PDB Chain Sequences:
>1cxf_ (-) apdtsvsnkqnfstdviyqiftdrfsdgnpannptgaafdgtctnlrlycggdwqgiink indgyltgmgvtaiwisqpveniysiinysgvnntayhgywardfkktnpaygtiadfqn liaaahaknikviidfapnhtspassdqpsfaengrlydngtllggytndtqnlfhhngg tdfsttengiyknlydladlnhnnstvdvylkdaikmwldlgidgirmnavkhmpfgwqk sfmaavnnykpvftfgqwflgvnevspenhkfanesgmslldfrfaqkvrqvfrdntdnm yglkamlegsaadyaqvddqvtfidnhdmerfhasnanrrkleqalaftltsrgvpaiyy gteqymsggtdpdnraripsfststtayqviqklaplrkcnpaiaygstqerwinndvli yerkfgsnvavvavnrnlnapasisglvtslpqgsyndvlggllngntlsvgsggaasnf tlaaggtavwqytaatatptighvgpmmakpgvtitidgrgfgsskgtvyfgttavsgad itswedtqikvkipavaggnynikvanaagtasnvydnfevlsgdqvsvrfvvnnattal gqnvyltgsvselgnwdpakaigpmynqvvyqypnwyydvsvpagktiefkflkkqgstv tweggsnhtftapssgtatinvnwqp