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- PDB-3kr5: Structure of a protease 4 -

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Basic information

Entry
Database: PDB / ID: 3kr5
TitleStructure of a protease 4
ComponentsM17 leucyl aminopeptidase
KeywordsHYDROLASE / protease / Aminopeptidase
Function / homology
Function and homology information


Hydrolases; Acting on peptide bonds (peptidases); Dipeptidases / leucyl aminopeptidase / metallodipeptidase activity / peptide catabolic process / metalloaminopeptidase activity / carboxypeptidase activity / peptidase activity / manganese ion binding / proteolysis / zinc ion binding ...Hydrolases; Acting on peptide bonds (peptidases); Dipeptidases / leucyl aminopeptidase / metallodipeptidase activity / peptide catabolic process / metalloaminopeptidase activity / carboxypeptidase activity / peptidase activity / manganese ion binding / proteolysis / zinc ion binding / identical protein binding / metal ion binding / cytosol / cytoplasm
Similarity search - Function
Peptidase M17, leucine aminopeptidase / Cytosol aminopeptidase signature. / Peptidase M17, leucyl aminopeptidase, C-terminal / Peptidase M17, leucine aminopeptidase/peptidase B / Cytosol aminopeptidase family, catalytic domain / Leucine Aminopeptidase, subunit E, domain 1 / Leucine Aminopeptidase, subunit E; domain 1 / Zn peptidases / Aminopeptidase / Macro domain-like ...Peptidase M17, leucine aminopeptidase / Cytosol aminopeptidase signature. / Peptidase M17, leucyl aminopeptidase, C-terminal / Peptidase M17, leucine aminopeptidase/peptidase B / Cytosol aminopeptidase family, catalytic domain / Leucine Aminopeptidase, subunit E, domain 1 / Leucine Aminopeptidase, subunit E; domain 1 / Zn peptidases / Aminopeptidase / Macro domain-like / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
Chem-BEY / CARBONATE ION / Leucine aminopeptidase
Similarity search - Component
Biological speciesPlasmodium falciparum (malaria parasite P. falciparum)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.56 Å
AuthorsMcGowan, S. / Whisstock, J.C.
CitationJournal: Proc.Natl.Acad.Sci.USA / Year: 2010
Title: Structure of the Plasmodium falciparum M17 aminopeptidase and significance for the design of drugs targeting the neutral exopeptidases
Authors: McGowan, S. / Oellig, C.A. / Birru, W.A. / Caradoc-Davies, T.T. / Stack, C.M. / Lowther, J. / Skinner-Adams, T. / Mucha, A. / Kafarski, P. / Grembecka, J. / Trenholme, K.R. / Buckle, A.M. / ...Authors: McGowan, S. / Oellig, C.A. / Birru, W.A. / Caradoc-Davies, T.T. / Stack, C.M. / Lowther, J. / Skinner-Adams, T. / Mucha, A. / Kafarski, P. / Grembecka, J. / Trenholme, K.R. / Buckle, A.M. / Gardiner, D.L. / Dalton, J.P. / Whisstock, J.C.
History
DepositionNov 17, 2009Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Feb 2, 2010Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Nov 10, 2021Group: Database references / Derived calculations
Category: database_2 / pdbx_struct_conn_angle ...database_2 / 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_asym_id / _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_asym_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_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_asym_id / _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_asym_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
Revision 1.3Nov 1, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: M17 leucyl aminopeptidase
B: M17 leucyl aminopeptidase
C: M17 leucyl aminopeptidase
D: M17 leucyl aminopeptidase
E: M17 leucyl aminopeptidase
F: M17 leucyl aminopeptidase
G: M17 leucyl aminopeptidase
H: M17 leucyl aminopeptidase
I: M17 leucyl aminopeptidase
J: M17 leucyl aminopeptidase
K: M17 leucyl aminopeptidase
L: M17 leucyl aminopeptidase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)721,391112
Polymers704,50812
Non-polymers16,884100
Water41,6872314
1
A: M17 leucyl aminopeptidase
B: M17 leucyl aminopeptidase
C: M17 leucyl aminopeptidase
D: M17 leucyl aminopeptidase
E: M17 leucyl aminopeptidase
F: M17 leucyl aminopeptidase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)360,38655
Polymers352,2546
Non-polymers8,13249
Water1086
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area27900 Å2
ΔGint-130 kcal/mol
Surface area93260 Å2
MethodPISA
2
G: M17 leucyl aminopeptidase
H: M17 leucyl aminopeptidase
I: M17 leucyl aminopeptidase
J: M17 leucyl aminopeptidase
K: M17 leucyl aminopeptidase
L: M17 leucyl aminopeptidase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)361,00557
Polymers352,2546
Non-polymers8,75151
Water1086
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area28170 Å2
ΔGint-124 kcal/mol
Surface area94810 Å2
MethodPISA
Unit cell
Length a, b, c (Å)172.080, 174.160, 227.706
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21B
31C
41D
51E
61F
71G
81H
91I
101J
111K
121L

NCS domain segments:
Dom-IDComponent-IDEns-IDRefine codeAuth asym-IDAuth seq-ID
1111A277 - 603
2111B277 - 603
3111C277 - 603
4111D277 - 603
5111E277 - 603
6111F277 - 603
7111G277 - 603
8111H277 - 603
9111I277 - 603
10111J277 - 603
11111K277 - 603
12111L277 - 603

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Components

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Protein , 1 types, 12 molecules ABCDEFGHIJKL

#1: Protein
M17 leucyl aminopeptidase / Malarial protease


Mass: 58708.973 Da / Num. of mol.: 12 / Fragment: residues 84-605 / Mutation: N152Q, N515Q, N546Q
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Plasmodium falciparum (malaria parasite P. falciparum)
Strain: 3D7 / Plasmid: pTrc-His2b / Production host: Escherichia coli (E. coli) / Strain (production host): BL21 DE3 Rosetta2 / References: UniProt: Q8IL11, leucyl aminopeptidase

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Non-polymers , 6 types, 2414 molecules

#2: Chemical
ChemComp-CO3 / CARBONATE ION


Mass: 60.009 Da / Num. of mol.: 12 / Source method: obtained synthetically / Formula: CO3
#3: Chemical...
ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 24 / Source method: obtained synthetically / Formula: Zn
#4: Chemical
ChemComp-BEY / (2S)-3-[(R)-[(1S)-1-amino-3-phenylpropyl](hydroxy)phosphoryl]-2-benzylpropanoic acid


Mass: 361.372 Da / Num. of mol.: 12 / Source method: obtained synthetically / Formula: C19H24NO4P
#5: Chemical
ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 15 / Source method: obtained synthetically / Formula: SO4
#6: Chemical...
ChemComp-1PE / PENTAETHYLENE GLYCOL / PEG400


Mass: 238.278 Da / Num. of mol.: 37 / Source method: obtained synthetically / Formula: C10H22O6 / Comment: precipitant*YM
#7: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 2314 / 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: 2.51 Å3/Da / Density % sol: 50.97 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 8.5
Details: 40% PEG 400, 0.1M Tris pH 8.5, 0.2M LiSO4, 1mM TCEP, 1mM ZnCl2, 1mM Co4/BEY, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Australian Synchrotron / Beamline: MX2 / Wavelength: 0.95376 Å
DetectorType: ADSC QUANTUM 315r / Detector: CCD / Date: Sep 9, 2009
RadiationMonochromator: Double crystal silicon 111 / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.95376 Å / Relative weight: 1
ReflectionResolution: 2.56→78.9 Å / Num. obs: 217885 / % possible obs: 100 % / Redundancy: 12.2 % / Rmerge(I) obs: 0.549 / Rsym value: 0.164 / Net I/σ(I): 4.1 / Num. measured all: 2662653
Reflection shellResolution: 2.56→2.74 Å / Redundancy: 12.4 % / Rmerge(I) obs: 1.299 / Mean I/σ(I) obs: 2.1 / Num. unique all: 390909 / Rsym value: 0.384 / % possible all: 100

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Processing

Software
NameVersionClassification
Blu-Icedata collection
MOLREPphasing
REFMAC5.5.0102refinement
MOSFLMdata reduction
SCALAdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 3KQX
Resolution: 2.56→77.7 Å / Cor.coef. Fo:Fc: 0.932 / Cor.coef. Fo:Fc free: 0.886 / Occupancy max: 1 / Occupancy min: 0.5 / SU B: 28.392 / SU ML: 0.281 / Cross valid method: THROUGHOUT / ESU R: 2.209 / ESU R Free: 0.359 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.27766 10910 5 %RANDOM
Rwork0.22 ---
obs0.22288 206865 98.79 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: BABINET MODEL WITH MASK
Displacement parametersBiso max: 295.39 Å2 / Biso mean: 24.299 Å2 / Biso min: 2 Å2
Baniso -1Baniso -2Baniso -3
1--2.8 Å20 Å20 Å2
2--1.53 Å20 Å2
3---1.27 Å2
Refinement stepCycle: LAST / Resolution: 2.56→77.7 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms47309 0 821 2314 50444
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0130.02248955
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.4561.97566200
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.36156131
X-RAY DIFFRACTIONr_dihedral_angle_2_deg39.29325.2821967
X-RAY DIFFRACTIONr_dihedral_angle_3_deg16.686158174
X-RAY DIFFRACTIONr_dihedral_angle_4_deg20.1915104
X-RAY DIFFRACTIONr_chiral_restr0.1040.27548
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.02136112
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it1.335330585
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it2.53549154
X-RAY DIFFRACTIONr_scbond_it4.222718370
X-RAY DIFFRACTIONr_scangle_it6.3941017046
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
Refine LS restraints NCS

Ens-ID: 1 / Number: 2422 / Refine-ID: X-RAY DIFFRACTION

Dom-IDAuth asym-IDTypeRms dev position (Å)Weight position
1Atight positional0.050.05
2Btight positional0.050.05
3Ctight positional0.060.05
4Dtight positional0.050.05
5Etight positional0.060.05
6Ftight positional0.060.05
7Gtight positional0.050.05
8Htight positional0.050.05
9Itight positional0.060.05
10Jtight positional0.050.05
11Ktight positional0.050.05
12Ltight positional0.050.05
1Atight thermal0.120.5
2Btight thermal0.120.5
3Ctight thermal0.130.5
4Dtight thermal0.120.5
5Etight thermal0.130.5
6Ftight thermal0.130.5
7Gtight thermal0.130.5
8Htight thermal0.120.5
9Itight thermal0.120.5
10Jtight thermal0.120.5
11Ktight thermal0.120.5
12Ltight thermal0.130.5
LS refinement shellResolution: 2.556→2.622 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.362 665 -
Rwork0.298 12788 -
obs--83.52 %
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL112)L122)L132)L222)L232)L332)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T112)T122)T132)T222)T232)T332)Origin x (Å)Origin y (Å)Origin z (Å)
10.57610.0276-0.17470.26430.01720.1960.009-0.0350.01220.021-0.00260.0499-0.0235-0.0466-0.00630.02820.0048-0.00310.02610.00340.013173.63182.81740.179
20.25210.04790.1460.09610.06470.418-0.0095-0.00630.020.02580.0218-0.07440.00820.1086-0.01230.03080.0056-0.01470.0408-0.01870.0777119.66869.46913.438
30.2629-0.1547-0.11910.48280.28240.41210.00440.0536-0.0684-0.065-0.021-0.00130.0115-0.02730.01650.0299-0.00240.00040.0325-0.00490.031971.35558.107-8.823
40.3569-0.1429-0.09170.34460.01850.1728-0.0346-0.02940.01460.04170.02720.0701-0.0058-0.04890.00740.0268-0.0093-0.00180.04150.00290.024656.97241.80927.268
50.19610.0180.15070.21290.09550.46330.00130.0546-0.0271-0.05180.0165-0.01150.00280.0138-0.01790.0330.00440.00910.02460.00040.0402105.70730.9576.023
60.72690.08910.0260.30570.00720.27340.013-0.0670.0090.0571-0.0039-0.0975-0.00290.0386-0.0090.03320.0169-0.01630.04210.0020.0345101.08655.00253.894
70.6065-0.0252-0.13970.1640.05840.1634-0.0137-0.0688-0.01890.01990.00490.0466-0.0001-0.0370.00880.03110.0082-0.00550.03510.00330.025276.30982.81155.343
80.33670.03540.23150.15930.04520.5516-0.02420.00510.0260.0350.0177-0.0872-0.0080.11890.00660.02670.0084-0.01190.0381-0.00570.063122.40969.436128.769
90.2224-0.0886-0.09240.40850.20380.31630.00290.0618-0.0715-0.0784-0.01130.00660.0067-0.01590.00830.02720.00180.00210.0353-0.01390.027773.59658.097106.452
100.4622-0.1387-0.11840.35150.03470.2035-0.0324-0.02030.04080.04690.01610.0539-0.0196-0.06240.01620.0338-0.0061-0.00690.0445-0.00350.024559.5441.814142.3
110.17650.0140.13630.19740.07280.5322-0.00320.0477-0.027-0.05490.0241-0.0034-0.00010.0156-0.0210.03020.00270.00320.0253-0.00180.0374108.33130.918121.082
120.8670.10670.06150.3667-0.02220.2164-0.0144-0.06520.050.04430.0018-0.098-0.00480.04820.01260.02480.0114-0.0130.04330.00070.0359104.54155.56169.33
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A86 - 603
2X-RAY DIFFRACTION2B86 - 603
3X-RAY DIFFRACTION3C86 - 603
4X-RAY DIFFRACTION4D86 - 603
5X-RAY DIFFRACTION5E86 - 602
6X-RAY DIFFRACTION6F86 - 603
7X-RAY DIFFRACTION7G86 - 603
8X-RAY DIFFRACTION8H86 - 603
9X-RAY DIFFRACTION9I86 - 603
10X-RAY DIFFRACTION10J86 - 603
11X-RAY DIFFRACTION11K86 - 603
12X-RAY DIFFRACTION12L86 - 603

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