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- PDB-2m86: Solution structure of Hdm2 with engineered cyclotide -

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Basic information

Entry
Database: PDB / ID: 2m86
TitleSolution structure of Hdm2 with engineered cyclotide
Components
  • E3 ubiquitin-protein ligase Mdm2
  • MCo-PMI
KeywordsPROTEIN BINDING/SIGNALING PROTEIN / Hdm2 oncoprotein / MCoTI-I cyclotide / p53 tumor suppressor / PROTEIN BINDING-SIGNALING PROTEIN complex
Function / homology
Function and homology information


cellular response to vitamin B1 / response to formaldehyde / response to water-immersion restraint stress / traversing start control point of mitotic cell cycle / negative regulation of intrinsic apoptotic signaling pathway by p53 class mediator / response to ether / fibroblast activation / atrial septum development / regulation of protein catabolic process at postsynapse, modulating synaptic transmission / negative regulation of signal transduction by p53 class mediator ...cellular response to vitamin B1 / response to formaldehyde / response to water-immersion restraint stress / traversing start control point of mitotic cell cycle / negative regulation of intrinsic apoptotic signaling pathway by p53 class mediator / response to ether / fibroblast activation / atrial septum development / regulation of protein catabolic process at postsynapse, modulating synaptic transmission / negative regulation of signal transduction by p53 class mediator / Trafficking of AMPA receptors / receptor serine/threonine kinase binding / peroxisome proliferator activated receptor binding / positive regulation of vascular associated smooth muscle cell migration / negative regulation of protein processing / SUMO transferase activity / response to iron ion / NEDD8 ligase activity / AKT phosphorylates targets in the cytosol / response to steroid hormone / cellular response to peptide hormone stimulus / atrioventricular valve morphogenesis / endocardial cushion morphogenesis / ventricular septum development / positive regulation of muscle cell differentiation / cellular response to alkaloid / SUMOylation of ubiquitinylation proteins / ligase activity / cardiac septum morphogenesis / regulation of postsynaptic neurotransmitter receptor internalization / blood vessel development / regulation of protein catabolic process / Constitutive Signaling by AKT1 E17K in Cancer / negative regulation of DNA damage response, signal transduction by p53 class mediator / response to magnesium ion / SUMOylation of transcription factors / protein sumoylation / blood vessel remodeling / cellular response to actinomycin D / cellular response to UV-C / protein localization to nucleus / cellular response to estrogen stimulus / ribonucleoprotein complex binding / : / protein autoubiquitination / positive regulation of vascular associated smooth muscle cell proliferation / NPAS4 regulates expression of target genes / transcription repressor complex / positive regulation of mitotic cell cycle / regulation of heart rate / proteolysis involved in protein catabolic process / ubiquitin binding / positive regulation of protein export from nucleus / Stabilization of p53 / Regulation of RUNX3 expression and activity / establishment of protein localization / response to cocaine / cellular response to gamma radiation / cellular response to growth factor stimulus / protein destabilization / RING-type E3 ubiquitin transferase / Oncogene Induced Senescence / Regulation of TP53 Activity through Methylation / cellular response to hydrogen peroxide / response to toxic substance / protein polyubiquitination / ubiquitin-protein transferase activity / disordered domain specific binding / endocytic vesicle membrane / ubiquitin protein ligase activity / p53 binding / Signaling by ALK fusions and activated point mutants / Regulation of TP53 Degradation / positive regulation of proteasomal ubiquitin-dependent protein catabolic process / negative regulation of neuron projection development / 5S rRNA binding / ubiquitin-dependent protein catabolic process / protein-containing complex assembly / Oxidative Stress Induced Senescence / cellular response to hypoxia / Regulation of TP53 Activity through Phosphorylation / proteasome-mediated ubiquitin-dependent protein catabolic process / amyloid fibril formation / regulation of cell cycle / postsynaptic density / Ub-specific processing proteases / protein ubiquitination / protein domain specific binding / response to xenobiotic stimulus / response to antibiotic / negative regulation of DNA-templated transcription / apoptotic process / positive regulation of cell population proliferation / ubiquitin protein ligase binding / positive regulation of gene expression / negative regulation of apoptotic process / nucleolus / glutamatergic synapse / enzyme binding / negative regulation of transcription by RNA polymerase II
Similarity search - Function
R-elafin - #20 / R-elafin / E3 ubiquitin-protein ligase Mdm2 / MDM2, modified RING finger, HC subclass / MDM2 / SWIB/MDM2 domain / p53 negative regulator Mdm2/Mdm4 / SWIB/MDM2 domain / SWIB/MDM2 domain / SWIB/MDM2 domain profile. ...R-elafin - #20 / R-elafin / E3 ubiquitin-protein ligase Mdm2 / MDM2, modified RING finger, HC subclass / MDM2 / SWIB/MDM2 domain / p53 negative regulator Mdm2/Mdm4 / SWIB/MDM2 domain / SWIB/MDM2 domain / SWIB/MDM2 domain profile. / SWIB/MDM2 domain superfamily / Zn-finger in Ran binding protein and others / Zinc finger, C3HC4 type (RING finger) / Zinc finger RanBP2 type profile. / Zinc finger, RanBP2-type superfamily / Zinc finger RanBP2-type signature. / Zinc finger, RanBP2-type / Zinc finger RING-type profile. / Zinc finger, RING-type / Few Secondary Structures / Irregular / Zinc finger, RING/FYVE/PHD-type / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
E3 ubiquitin-protein ligase Mdm2
Similarity search - Component
Biological speciessynthetic construct (others)
Homo sapiens (human)
MethodSOLUTION NMR / DGSA-distance geometry simulated annealing
AuthorsMajumder, S. / Ji, Y. / Millard, M. / Borra, R. / Bi, T. / Elnagar, A.Y. / Neamati, N. / Camarero, J.A.
CitationJournal: J.Am.Chem.Soc. / Year: 2013
Title: In Vivo Activation of the p53 Tumor Suppressor Pathway by an Engineered Cyclotide.
Authors: Ji, Y. / Majumder, S. / Millard, M. / Borra, R. / Bi, T. / Elnagar, A.Y. / Neamati, N. / Shekhtman, A. / Camarero, J.A.
History
DepositionMay 7, 2013Deposition site: BMRB / Processing site: RCSB
Revision 1.0Jul 31, 2013Provider: repository / Type: Initial release
Revision 1.1Aug 21, 2013Group: Database references
Revision 1.2Jun 14, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Other
Category: database_2 / pdbx_database_status ...database_2 / pdbx_database_status / pdbx_nmr_spectrometer / struct_conn / struct_ref_seq_dif
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.status_code_nmr_data / _pdbx_nmr_spectrometer.model / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_ref_seq_dif.details
Revision 1.3Nov 6, 2024Group: Data collection / Database references / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_entry_details / pdbx_modification_feature
Item: _database_2.pdbx_DOI

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: MCo-PMI
B: E3 ubiquitin-protein ligase Mdm2


Theoretical massNumber of molelcules
Total (without water)19,9982
Polymers19,9982
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
NMR ensembles
DataCriteria
Number of conformers (submitted / calculated)10 / 1000structures with the lowest energy
RepresentativeModel #1lowest energy

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Components

#1: Protein MCo-PMI


Mass: 5291.000 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) synthetic construct (others) / Plasmid: pTXB1 / Production host: Escherichia coli (E. coli)
#2: Protein E3 ubiquitin-protein ligase Mdm2 / Double minute 2 protein / Hdm2 / Oncoprotein Mdm2 / p53-binding protein Mdm2


Mass: 14706.715 Da / Num. of mol.: 1 / Fragment: UNP residues 17-125
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: MDM2 / Plasmid: pet28a / Production host: Escherichia coli (E. coli) / References: UniProt: Q00987
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: SOLUTION NMR
NMR experiment
Conditions-IDExperiment-IDSolution-IDType
1112D 1H-15N HSQC
1222D 1H-15N HSQC
1322D 1H-13C HSQC
1413D 1H-15N NOESY
1513D 1H-15N TOCSY
1632D 1H-1H NOESY
1713D 1H-13C NOESY aliphatic
1823D 1H-15N NOESY
1923D 1H-15N TOCSY
11013D HNCA
11113D HN(CO)CA
11213D HN(CA)CB
11312D 1H-1H TOCSY

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Sample preparation

Details
Solution-IDContentsSolvent system
10.2 mM MCo-PMI, 0.2 mM [U-99% 13C; U-99% 15N] Hdm2, 90% H2O/10% D2O90% H2O/10% D2O
20.2 mM [U-99% 15N] Mo-PMI, 0.2 mM Hdm2, 90% H2O/10% D2O90% H2O/10% D2O
30.2 mM MCo-PMI, 0.2 mM Hdm2, 90% H2O/10% D2O90% H2O/10% D2O
Sample
Conc. (mg/ml)ComponentIsotopic labelingSolution-ID
0.2 mMMCo-PMI-11
0.2 mMHdm2-2[U-99% 13C; U-99% 15N]1
0.2 mMMo-PMI-3[U-99% 15N]2
0.2 mMHdm2-42
0.2 mMMCo-PMI-53
0.2 mMHdm2-63
Sample conditionsIonic strength: 0.133 / pH: 6.5 / Pressure: ambient / Temperature: 300 K

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NMR measurement

NMR spectrometerType: Bruker Avance / Manufacturer: Bruker / Model: AVANCE / Field strength: 700 MHz

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Processing

NMR software
NameVersionDeveloperClassification
CHRMM36Karplus, M.refinement
CYANA2.1Guntert, Mumenthaler and Wuthrichstructure solution
RefinementMethod: DGSA-distance geometry simulated annealing / Software ordinal: 1
NMR constraintsNOE constraints total: 1040 / NOE intraresidue total count: 342 / NOE long range total count: 187 / NOE medium range total count: 155 / NOE sequential total count: 320 / Protein chi angle constraints total count: 0 / Protein other angle constraints total count: 0 / Protein phi angle constraints total count: 125 / Protein psi angle constraints total count: 125
NMR representativeSelection criteria: lowest energy
NMR ensembleConformer selection criteria: structures with the lowest energy
Conformers calculated total number: 1000 / Conformers submitted total number: 10 / Maximum lower distance constraint violation: 0.3 Å / Maximum torsion angle constraint violation: 5 ° / Maximum upper distance constraint violation: 1.04 Å

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