Ubiquitin E1-Ub-E2 tetrahedral transthiolation intermediate mimic (doubly Ub-loaded) - cluster 3 map and model (Ub(A)-AMP/PPi/Mg)

Structural basis for transthiolation intermediates in the ubiquitin pathway.

20 mM Tris-HCl, 100 mM NaCl, 5 mM MgCl2, 1 mM ATP, 0.05% CHAPSO

Covalent E1-Ub-E2 transthiolation intermediate mimic complex with second Ub bound to E1 (doubly Ub-loaded E1-Ub-E2 complex)

E2 ubiquitin-conjugating enzyme 4,Ubiquitin carrier protein 4,Ubiquitin-protein ligase 4

SNTIDEGLYSRQLYVLGHEAMKQMSQSNVLIIGCKGLGVEIAKNVCLAGVKSVTLYDPQPTRIEDLSSQYFLTEDDIGVP
RAKVTVSKLAELNQYVPVSVVDELSTEYLKNFKCVVVTETSLTKQLEINDFTHKNHIAYIAADSRGLFGSIFCDFGENFI
CTDTDGNEPLTGMIASITDDGVVTMLEETRHGLENGDFVKFTEVKGMPGLNDGTPRKVEVKGPYTFSIGSVKDLGSAGYN
GVFTQVKVPTKISFKSLRESLKDPEYVYPDFGKMMRPPQYHIAFQALSAFADAHEGSLPRPRNDIDAAEFFEFCKKIAST
LQFDVELDEKLIKEISYQARGDLVAMSAFLGGAVAQEVLKATTSKFYPLKQYFYFDSLESLPSSVTISEETCKPRGCRYD
GQIAVFGSEFQEKIASLSTFLVGAGAIGCEMLKNWAMMGVATGESGHISVTDMDSIEKSNLNRQFLFRPRDVGKLKSECA
STAVSIMNPSLTGKITSYQERVGPESEGIFGDEFFEKLSLVTNALDNVEARMYVDRRCVFFEKPLLESGTLGTKGNTQVV
VPHLTESYGSSQDPPEKSFPICTLKNFPNRIEHTIAWARDLFEGLFKQPIDNVNMYLSSPNFLETSLKTSSNPREVLENI
RDYLVTEKPLSFEECIMWARLQFDKFFNNNIQQLLFNFPKDSVTSTGQPFWSGPKRAPTPLSFDIHNREHFDFIVAAASL
YAFNYGLKSETDPAIYERVLAGYNPPPFAPKSGIKIQVNENEEAPETAANKDKQELKSIADSLPPPSSLVGFRLTPAEFE
KDDDSNHHIDFITAASNLRAMNYDITPADRFKTKFVAGKIVPAMCTSTAVVSGLVCLELVKLVDGKKKIEEYKNGFFNLA
IGLFTFSDPIASPKMKVNGKEIDKIWDRYNLPDCTLQELIDYFQKEEGLEVTMLSSGVSLLYANFQPPKKLAERLPLKIS
ELVEQITKKKLEPFRKHLVLEICCDDANGEDVEVPFICIKL

MALKRINRELADLGKDPPSSSSAGPVGDDLFHWQATIMGPADSPYAGGVFFLSIHFPTDYPFKPPKVNFTTRIYHPNINS
NGSICLDILRDQWSPALTISKVLLSISSLLTDPNPDDPLVPEIAHVYKTDRSRYELSAREWTRKYAIGGLVPR

National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

UBIQUITIN, E1, E2, UBA1, UBC4, TRANSTHIOESTERIFICATION, THIOESTER, TRANSTHIOLATION, TETRAHEDRAL INTERMEDIATE, ADENYLATION, INHIBITOR, LIGASE, NUCLEUS, PHOSPHOPROTEIN, UBL CONJUGATION PATHWAY, UBL, ATP ATP-BINDING, AMP, NUCLEOTIDE-BINDING, ISOPEPTIDE BOND

NTIDEGLYSRQLYVLGHEAMKQMSQSNVLIIGCKGLGVEIAKNVCLAGVKSVTLYDPQPTRIEDLSSQYFLTEDDIGVPR
AKVTVSKLAELNQYVPVSVVDELSTEYLKNFKCVVVTETSLTKQLEINDFTHKNHIAYIAADSRGLFGSIFCDFGENFIC
TDTDGNEPLTGMIASITDDGVVTMLEETRHGLENGDFVKFTEVKGMPGLNDGTPRKVEVKGPYTFSIGSVKDLGSAGYNG
VFTQVKVPTKISFKSLRESLKDPEYVYPDFGKMMRPPQYHIAFQALSAFADAHEGSLPRPRNDIDAAEFFEFCKKIASTL
QFDVELDEKLIKEISYQARGDLVAMSAFLGGAVAQEVLKATTSKFYPLKQYFYFDSLESLPSSVTISEETCKPRGCRYDG
QIAVFGSEFQEKIASLSTFLVGAGAIGCEMLKNWAMMGVATGESGHISVTDMDSIEKSNLNRQFLFRPRDVGKLKSECAS
TAVSIMNPSLTGKITSYQERVGPESEGIFGDEFFEKLSLVTNALDNVEARMYVDRRCVFFEKPLLESGTLGTKGNTQVVV
PHLTESYGSSQDPPEKSFPICTLKNFPNRIEHTIAWARDLFEGLFKQPIDNVNMYLSSPNFLETSLKTSSNPREVLENIR
DYLVTEKPLSFEECIMWARLQFDKFFNNNIQQLLFNFPKDSVTSTGQPFWSGPKRAPTPLSFDIHNREHFDFIVAAASLY
AFNYGLKSETDPAIYERVLAGYNPPPFAPKSGIKIQVNENEEAPETAANKDKQELKSIADSLPPPSSLVGFRLTPAEFEK
DDDSNHHIDFITAASNLRAMNYDITPADRFKTKFVAGKIVPAMCTSTAVVSGLVCLELVKLVDGKKKIEEYKNGFFNLAI
GLFTFSDPIASPKMKVNGKEIDKIWDRYNLPDCTLQELIDYFQKEEGLEVTMLSSGVSLLYANFQPPKKLAERLPLKISE
LVEQITKKKLEPFRKHLVLEICCDDANGEDVEVPFICIKL

MALKRINRELADLGKDPPSSCSAGPVGDDLFHWQATIMGPADSPYAGGVFFLSIHFPTDYPFKPPKVNFTTRIYHPNINS
NGSICLDILRDQWSPALTISKVLLSICSLLTDPNPDDPLVPEIAHVYKTDRSRYELSAREWTRKYAI