Structure of PDB 4ii3 Chain C Binding Site BS02

Receptor Information
>4ii3 Chain C (length=977) Species: 284812 (Schizosaccharomyces pombe 972h-) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TIDEGLYSRQLYVLGHEAMKQMSQSNVLIIGCKGLGVEIAKNVCLAGVKS
VTLYDPQPTRIEDLSSQYFLTEDDIGVPRAKVTVSKLAELNQYVPVSVVD
ELSTEYLKNFKCVVVTETSLTKQLEINDFTHKNHIAYIAADSRGLFGSIF
CDFGENFICTDTDGNEPLTGMIASITDDGVVTMLEETRHGLENGDFVKFT
EVKGMPGLNDGTPRKVEVKGPYTFSIGSVKDLGSAGYNGVFTQVKVPTKI
SFKSLRESLKDPEYVYPDFGKMMRPPQYHIAFQALSAFADAHEGSLPRPR
NDIDAAEFFEFCKKIASTLQFDVELDEKLIKEISYQARGDLVAMSAFLGG
AVAQEVLKATTSKFYPLKQYFYFDSLESLPSSVTISEETCKPRGCRYDGQ
IAVFGSEFQEKIASLSTFLVGAGAIGCEMLKNWAMMGVATGESGHISVTD
MDSIEKSNLNRQFLFRPRDVGKLKSECASTAVSIMNPSLTGKITSYQERV
GPESEGIFGDEFFEKLSLVTNALDNVEARMYVDRRCVFFEKPLLESGTLG
TKGNTQVVVPHLTESYGSSQDPPEKSFPICTLKNFPNRIEHTIAWARDLF
EGLFKQPIDNVNMYLSSPNFLETSLKTSSNPREVLENIRDYLVTEKPLSF
EECIMWARLQFDKFFNNNIQQLLFNFPKDSVTSTGQPFWSGPKRAPTPLS
FDIHNREHFDFIVAAASLYAFNYGLKSETDPAIYERVLAGYNPPPFAPKS
GIAANKDKQELKSIADSLRLTPAEFEKDDDSNHHIDFITAASNLRAMNYD
ITPADRFKTKFVAGKIVPAMCTSTAVVSGLVCLELVKLVDGKKKIEEYKN
GFFNLAIGLFTFSDPIASPKMKVNGKEIDKIWDRYNLPDCTLQELIDYFQ
KEEGLEVTMLSSGVSLLYANFQPPKKLAERLPLKISELVEQITKKKLEPF
RKHLVLEICCDDANGEDVEVPFICIKL
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain4ii3 Chain C Residue 1106 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4ii3 Structure of a ubiquitin E1-E2 complex: insights to E1-E2 thioester transfer.
Resolution2.9 Å
Binding residue
(original residue number in PDB)		D611 Q619
Binding residue
(residue number reindexed from 1)		D598 Q606
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) R22 R474 D537 C593 T594 K596
Catalytic site (residue number reindexed from 1) R9 R461 D524 C580 T581 K583
Enzyme Commision number 6.2.1.45: E1 ubiquitin-activating enzyme.
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0004839 ubiquitin activating enzyme activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0008641 ubiquitin-like modifier activating enzyme activity
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
GO:0036211 protein modification process
Cellular Component
GO:0005634 nucleus
GO:0005737 cytoplasm
GO:0005829 cytosol

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Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:4ii3, PDBe:4ii3, PDBj:4ii3
PDBsum4ii3
PubMed23416107
UniProtO94609|UBA1_SCHPO Ubiquitin-activating enzyme E1 1 (Gene Name=ptr3)

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