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- PDB-4k5l: Phosphonic Arginine Mimetics as Inhibitors of the M1 Aminopeptida... -

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Basic information

Entry
Database: PDB / ID: 4k5l
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 / nucleus ...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 / nucleus / membrane / cytoplasm
Similarity search - Function
Aminopeptidase N, middle-beta domain / Peptidase M1, alanyl aminopeptidase, C-terminal 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 ...Aminopeptidase N, middle-beta domain / Peptidase M1, alanyl aminopeptidase, C-terminal 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-19N / Aminopeptidase N
Similarity search - Component
Biological speciesPlasmodium falciparum FcB1/Columbia (eukaryote)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.91 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 14, 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)105,1484
Polymers104,8341
Non-polymers3143
Water9,800544
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)76.094, 109.345, 118.706
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein M1 family aminopeptidase / Pfa-M1


Mass: 104833.969 Da / Num. of mol.: 1 / Fragment: unp residues 195-1085 / Mutation: N213Q, N223Q, H378P, N501Q, N795Q, N1069QQ
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Plasmodium falciparum FcB1/Columbia (eukaryote)
Production host: Escherichia coli (E. coli) / Strain (production host): BL21
References: UniProt: O96935, Hydrolases; Acting on peptide bonds (peptidases); Aminopeptidases
#2: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Zn
#3: Chemical ChemComp-19N / [(1R)-1-amino-5-carbamimidamidopentyl]phosphonic acid


Mass: 224.198 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C6H17N4O3P
#4: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mg
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 544 / 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: 47.78 %
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, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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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 111 / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.95467 Å / Relative weight: 1
ReflectionResolution: 1.91→80.42 Å / Num. all: 1100704 / Num. obs: 77326 / % possible obs: 99.7 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 0
Reflection shellResolution: 1.91→2.01 Å / % possible all: 97.7

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Processing

Software
NameVersionClassification
Blu-Icedata collection
PHASERphasing
REFMAC5.5.0109refinement
XDSdata reduction
SCALAdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: pdb entry 3EBG

3ebg


Resolution: 1.91→80.42 Å / Cor.coef. Fo:Fc: 0.957 / Cor.coef. Fo:Fc free: 0.935 / SU B: 6.973 / SU ML: 0.094 / Cross valid method: THROUGHOUT / ESU R: 0.145 / ESU R Free: 0.14 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.21982 3923 5.1 %RANDOM
Rwork0.1715 ---
obs0.17396 73397 99.59 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 22.267 Å2
Baniso -1Baniso -2Baniso -3
1--0.55 Å20 Å20 Å2
2---0.78 Å20 Å2
3---1.33 Å2
Refinement stepCycle: LAST / Resolution: 1.91→80.42 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms7219 0 16 544 7779
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0230.0227509
X-RAY DIFFRACTIONr_angle_refined_deg1.7741.96110194
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.25924
X-RAY DIFFRACTIONr_dihedral_angle_2_deg36.08824.863364
X-RAY DIFFRACTIONr_dihedral_angle_3_deg14.271151347
X-RAY DIFFRACTIONr_dihedral_angle_4_deg18.1721529
X-RAY DIFFRACTIONr_chiral_restr0.1460.21129
X-RAY DIFFRACTIONr_gen_planes_refined0.010.0215679
X-RAY DIFFRACTIONr_mcbond_it1.0741.54500
X-RAY DIFFRACTIONr_mcangle_it1.77427330
X-RAY DIFFRACTIONr_scbond_it3.10933009
X-RAY DIFFRACTIONr_scangle_it4.7524.52846
LS refinement shellResolution: 1.909→1.959 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.305 276 -
Rwork0.247 5126 -
obs--94.69 %
Refinement TLS params.Method: refined / Origin x: 17.676 Å / Origin y: 4.131 Å / Origin z: 10.217 Å
111213212223313233
T0.0372 Å20.0042 Å20.0049 Å2-0.0036 Å20.0029 Å2--0.0337 Å2
L0.1914 °2-0.08 °20.0397 °2-0.4125 °20.1356 °2--0.2687 °2
S-0.0427 Å °-0.0091 Å °0.0266 Å °0.0001 Å °0.0209 Å °-0.0117 Å °-0.0111 Å °-0.0108 Å °0.0218 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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