Structure of PDB 9b5x Chain A

Receptor sequence
>9b5xA (length=985) Species: 284812 (Schizosaccharomyces pombe 972h-) [Search protein sequence]
TIDEGLYSRQLYVLGHEAMKQMSQSNVLIIGCKGLGVEIAKNVCLAGVKS
VTLYDPQPTRIEDLSSQYFLTEDDIGVPRAKVTVSKLAELNQYVPVSVVD
ELSTEYLKNFKCVVVTETSLTKQLEINDFTHKNHIAYIAADSRGLFGSIF
CDFGENFICTDTDGNEPLTGMIASITDDGVVTMLEETRHGLENGDFVKFT
EVKGMPGLNDGTPRKVEVKGPYTFSIGSVKDLGSAGYNGVFTQVKVPTKI
SFKSLRESLKDPEYVYPDFGKMMRPPQYHIAFQALSAFADAHEGSLPRPR
NDIDAAEFFEFCKKIASTLQFDVELDEKLIKEISYQARGDLVAMSAFLGG
AVAQEVLKATTSKFYPLKQYFYFDSLESLPSSVTISEETCKPRGCRYDGQ
IAVFGSEFQEKIASLSTFLVGAGAIGCEMLKNWAMMGVATGESGHISVTD
MDSIEKSNLNRQFLFRPRDVGKLKSECASTAVSIMNPSLTGKITSYQERV
GPESEGIFGDEFFEKLSLVTNALDNVEARMYVDRRCVFFEKPLLESGTLG
TKGNTQVVVPHLTESYGSSQDPPEKSFPICTLKNFPNRIEHTIAWARDLF
EGLFKQPIDNVNMYLSSPNFLETSLKTSSNPREVLENIRDYLVTEKPLSF
EECIMWARLQFDKFFNNNIQQLLFNFPKDSVTSTGQPFWSGPKRAPTPLS
FDIHNREHFDFIVAAASLYAFNYGLKSETDPAIYERVLAGYNPPPFAPKS
GIANKDKQELKSIADSLPPPSSLVGFRLTPAEFEKDDDSNHHIDFITAAS
NLRAMNYDITPADRFKTKFVAGKIVPAMCTSTAVVSGLVCLELVKLVDGK
KKIEEYKNGFFNLAIGLFTFSDPIASPKMKVNGKEIDKIWDRYNLPDCTL
QELIDYFQKEEGLEVTMLSSGVSLLYANFQPPKKLAERLPLKISELVEQI
TKKKLEPFRKHLVLEICCDDANGEDVEVPFICIKL
3D structure
PDB9b5x Structural basis for transthiolation intermediates in the ubiquitin pathway
ChainA
Resolution4.16 Å
3D
structure
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Enzymatic activity
Enzyme Commision number 6.2.1.45: E1 ubiquitin-activating enzyme.
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 MG A D465 E468 D452 E455
BS02 ATP A R22 D463 M464 D465 N471 R474 K487 R512 A535 L536 D537 R9 D450 M451 D452 N458 R461 K474 R499 A522 L523 D524
BS03 A1AIV A I592 C593 I579 C580
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0004839 ubiquitin activating enzyme activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0016874 ligase activity
GO:0016887 ATP hydrolysis activity
Biological Process
GO:0006511 ubiquitin-dependent protein catabolic process
GO:0006974 DNA damage response
GO:0016567 protein ubiquitination
Cellular Component
GO:0005634 nucleus
GO:0005737 cytoplasm
GO:0005829 cytosol

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:9b5x, PDBe:9b5x, PDBj:9b5x
PDBsum9b5x
PubMed39143218
UniProtO94609|UBA1_SCHPO Ubiquitin-activating enzyme E1 1 (Gene Name=ptr3)

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