Chains and heterogens:
PDB Chain Sequences:
>3r3vA (A:) ghmpdladlfpgfgsewintssgrifarvggdgppllllhgfpqthvmwhrvapklaerf kvivadlpgygwsdmpesdeqhtpytkramakqlieameqlghvhfalaghnrgarvsyr laldspgrlsklavldilptyeywqrmnrayalkiyhwsflaqpaplpenllggdpdfyv kaklaswtragdlsafdpravehyriafadpmrrhvmcedyragayadfehdkidveagn kipvpmlalwgasgiaqsaatpldvwrkwasdvqgapiesghflpeeapdqtaealvrff saapgs
>3r3vA (A:) ladlfpgfgsewintssgrifarvggdgppllllhgfpqthvmwhrvapklaerfkviva dlpgygwsdmpesdeqhtpytkramakqlieameqlghvhfalaghnrgarvsyrlalds pgrlsklavldilptyeywqrmnrayalkiyhwsflaqpaplpenllggdpdfyvkakla swtragdlsafdpravehyriafadpmrrhvmcedyragayadfehdkidveagnkipvp mlalwgasgiasaatpldvwrkwasdvqgapiesghflpeeapdqtaealvrffsa
>3r3vB (B:) ghmpdladlfpgfgsewintssgrifarvggdgppllllhgfpqthvmwhrvapklaerf kvivadlpgygwsdmpesdeqhtpytkramakqlieameqlghvhfalaghnrgarvsyr laldspgrlsklavldilptyeywqrmnrayalkiyhwsflaqpaplpenllggdpdfyv kaklaswtragdlsafdpravehyriafadpmrrhvmcedyragayadfehdkidveagn kipvpmlalwgasgiaqsaatpldvwrkwasdvqgapiesghflpeeapdqtaealvrff saapgs
>3r3vB (B:) ladlfpgfgsewintssgrifarvggdgppllllhgfpqthvmwhrvapklaerfkviva dlpgygwsdmpesdeqhtpytkramakqlieameqlghvhfalaghnrgarvsyrlalds pgrlsklavldilptyeywqrmnrayalkiyhwsflaqpaplpenllggdpdfyvkakla swtragdlsafdpravehyriafadpmrrhvmcedyragayadfehdkidveagnkipvp mlalwgasgtpldvwrkwasdvqgapiesghflpeeapdqtaealvrffsa