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- PDB-4k5o: Phosphonic Arginine Mimetics as Inhibitors of the M1 Aminopeptida... -

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Basic information

Entry
Database: PDB / ID: 4k5o
TitlePhosphonic Arginine Mimetics as Inhibitors of the M1 Aminopeptidases from Plasmodium falciparum
ComponentsM1 family aminopeptidase
KeywordsHYDROLASE/HYDROLASE INHIBITOR / M1 Alanyl-Aminopeptidase / protease / HYDROLASE-HYDROLASE INHIBITOR complex
Function / homology
Function and homology information


symbiont-containing vacuole membrane / vacuolar lumen / Hydrolases; Acting on peptide bonds (peptidases); Aminopeptidases / food vacuole / dipeptidase activity / metalloaminopeptidase activity / aminopeptidase activity / proteolysis / zinc ion binding / membrane ...symbiont-containing vacuole membrane / vacuolar lumen / Hydrolases; Acting on peptide bonds (peptidases); Aminopeptidases / food vacuole / dipeptidase activity / metalloaminopeptidase activity / aminopeptidase activity / proteolysis / zinc ion binding / membrane / nucleus / cytoplasm
Similarity search - Function
Peptidase M1, alanyl aminopeptidase, C-terminal domain / Aminopeptidase N, middle-beta domain / Peptidase M1, alanyl aminopeptidase / Peptidase M1, alanyl aminopeptidase, C-terminal / Peptidase M1, alanyl aminopeptidase, Ig-like fold / Peptidase M1, alanyl aminopeptidase, C-terminal domain superfamily / Alanyl aminopeptidase, Ig-like domain superfamily / Domain of unknown function (DUF3458) Ig-like fold / Domain of unknown function (DUF3458_C) ARM repeats / Zincin-like fold ...Peptidase M1, alanyl aminopeptidase, C-terminal domain / Aminopeptidase N, middle-beta domain / Peptidase M1, alanyl aminopeptidase / Peptidase M1, alanyl aminopeptidase, C-terminal / Peptidase M1, alanyl aminopeptidase, Ig-like fold / Peptidase M1, alanyl aminopeptidase, C-terminal domain superfamily / Alanyl aminopeptidase, Ig-like domain superfamily / Domain of unknown function (DUF3458) Ig-like fold / Domain of unknown function (DUF3458_C) ARM repeats / Zincin-like fold / Zincin-like - #30 / Zincin-like / tricorn interacting facor f3 domain / Peptidase M1, alanine aminopeptidase/leukotriene A4 hydrolase / Peptidase M1, membrane alanine aminopeptidase / Aminopeptidase N-like , N-terminal domain / Peptidase family M1 domain / Peptidase M1 N-terminal domain / Aminopeptidase N-like , N-terminal domain superfamliy / Neutral Protease Domain 2 / Neutral Protease; domain 2 / Peptidase M4/M1, CTD superfamily / Neutral zinc metallopeptidases, zinc-binding region signature. / Alpha Horseshoe / Immunoglobulin-like / Sandwich / 2-Layer Sandwich / Orthogonal Bundle / Mainly Beta / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
Chem-1OT / Aminopeptidase N
Similarity search - Component
Biological speciesPlasmodium falciparum FcB1/Columbia (eukaryote)
MethodX-RAY DIFFRACTION / SYNCHROTRON / Resolution: 1.9 Å
AuthorsMcGowan, S.
CitationJournal: J.Med.Chem. / Year: 2013
Title: Synthesis and Structure-Activity Relationships of Phosphonic Arginine Mimetics as Inhibitors of the M1 and M17 Aminopeptidases from Plasmodium falciparum.
Authors: Kannan Sivaraman, K. / Paiardini, A. / Sienczyk, M. / Ruggeri, C. / Oellig, C.A. / Dalton, J.P. / Scammells, P.J. / Drag, M. / McGowan, S.
History
DepositionApr 15, 2013Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jun 12, 2013Provider: repository / Type: Initial release
Revision 1.1Jul 24, 2013Group: Database references
Revision 1.2Sep 20, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr2_auth_comp_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr2_label_atom_id / _pdbx_struct_conn_angle.ptnr2_label_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_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_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: M1 family aminopeptidase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)105,0127
Polymers104,4611
Non-polymers5516
Water18,2671014
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)76.056, 109.350, 118.518
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121
Detailsbiological unit is the same as asym.

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Components

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Protein , 1 types, 1 molecules A

#1: Protein M1 family aminopeptidase / Pfa-M1


Mass: 104460.508 Da / Num. of mol.: 1 / Fragment: UNP RESIDUES 196-1084 / Mutation: N213Q, N223Q, H378P, N501Q, N795Q, N1069QQ
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Plasmodium falciparum FcB1/Columbia (eukaryote)
Plasmid: pTrc-His2b / Production host: Escherichia coli (E. coli) / Strain (production host): BL21
References: UniProt: O96935, Hydrolases; Acting on peptide bonds (peptidases); Aminopeptidases

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Non-polymers , 5 types, 1020 molecules

#2: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C3H8O3
#3: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Mg
#4: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Zn
#5: Chemical ChemComp-1OT / {(R)-amino[4-(1H-pyrazol-1-yl)phenyl]methyl}phosphonic acid


Mass: 253.194 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H12N3O3P
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 1014 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.36 Å3/Da / Density % sol: 47.86 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 8.5
Details: 22% (v/v) PEG 8000, 10% (v/v) glycerol, 0.1 M Tris, 0.2 M MgCl2, vapor diffusion, hanging drop, temperature 298K, pH 8.5, VAPOR DIFFUSION, HANGING DROP

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Australian Synchrotron / Beamline: MX1 / Wavelength: 0.95467 Å
DetectorType: ADSC QUANTUM 210r / Detector: CCD / Date: Feb 19, 2010
RadiationMonochromator: Double crystal Silicon / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.95467 Å / Relative weight: 1
ReflectionResolution: 1.9→80.37 Å / Num. all: 1113693 / Num. obs: 75260 / % possible obs: 96.4 % / Rmerge(I) obs: 0.144

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Processing

Software
NameVersionClassificationNB
REFMAC5.5.0109refinement
PDB_EXTRACT3.11data extraction
Blu-Icedata collection
XDSdata reduction
SCALAdata scaling
PHASERphasing
RefinementStarting model: 3EBH

3ebh


Resolution: 1.9→64.01 Å / Cor.coef. Fo:Fc: 0.945 / Cor.coef. Fo:Fc free: 0.913 / Occupancy max: 1 / Occupancy min: 0.5 / SU B: 8.082 / SU ML: 0.107 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.167 / ESU R Free: 0.162 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : WITH TLS ADDED
RfactorNum. reflection% reflectionSelection details
Rfree0.2407 3801 5.1 %RANDOM
Rwork0.1816 ---
obs0.1847 74673 95.61 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso max: 57.91 Å2 / Biso mean: 20.831 Å2 / Biso min: 4.28 Å2
Baniso -1Baniso -2Baniso -3
1-0.11 Å20 Å20 Å2
2---0.68 Å20 Å2
3---0.57 Å2
Refinement stepCycle: LAST / Resolution: 1.9→64.01 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms7200 0 32 1014 8246
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0240.0227431
X-RAY DIFFRACTIONr_angle_refined_deg1.891.96410069
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.3365900
X-RAY DIFFRACTIONr_dihedral_angle_2_deg36.54724.831354
X-RAY DIFFRACTIONr_dihedral_angle_3_deg14.533151321
X-RAY DIFFRACTIONr_dihedral_angle_4_deg18.9971528
X-RAY DIFFRACTIONr_chiral_restr0.1420.21115
X-RAY DIFFRACTIONr_gen_planes_refined0.0110.0215594
X-RAY DIFFRACTIONr_mcbond_it1.1481.54464
X-RAY DIFFRACTIONr_mcangle_it1.88727253
X-RAY DIFFRACTIONr_scbond_it3.28432967
X-RAY DIFFRACTIONr_scangle_it4.8774.52810
LS refinement shellResolution: 1.903→1.953 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.396 203 -
Rwork0.366 3769 -
all-3972 -
obs--69.76 %
Refinement TLS params.Method: refined / Origin x: 17.676 Å / Origin y: 4.131 Å / Origin z: 10.217 Å
111213212223313233
T0.0391 Å20.0013 Å20.0042 Å2-0.0038 Å2-0.0013 Å2--0.0433 Å2
L0.119 °2-0.0869 °20.0566 °2-0.3209 °20.1394 °2--0.2187 °2
S-0.0446 Å °-0.0165 Å °0.0113 Å °-0.0097 Å °0.0164 Å °-0.0049 Å °-0.0192 Å °-0.0127 Å °0.0282 Å °
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A196 - 393
2X-RAY DIFFRACTION1A394 - 650
3X-RAY DIFFRACTION1A651 - 746
4X-RAY DIFFRACTION1A747 - 1085

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