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- PDB-3pm3: Bovine trypsin variant X(tripleIle227) in complex with small mole... -

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Basic information

Entry
Database: PDB / ID: 3pm3
TitleBovine trypsin variant X(tripleIle227) in complex with small molecule inhibitor
ComponentsCationic trypsin
KeywordsHYDROLASE/HYDROLASE INHIBITOR / Trypsin-like serine protease / HYDROLASE / PROTEIN BINDING / NONE / DUODENUM / HYDROLASE-HYDROLASE INHIBITOR complex
Function / homology
Function and homology information


trypsin / serpin family protein binding / serine protease inhibitor complex / digestion / endopeptidase activity / serine-type endopeptidase activity / proteolysis / extracellular space / metal ion binding
Similarity search - Function
: / Serine proteases, trypsin family, histidine active site / Serine proteases, trypsin family, serine active site / Peptidase S1A, chymotrypsin family / Serine proteases, trypsin family, histidine active site. / Serine proteases, trypsin family, serine active site. / Serine proteases, trypsin domain profile. / Trypsin-like serine protease / Serine proteases, trypsin domain / Trypsin ...: / Serine proteases, trypsin family, histidine active site / Serine proteases, trypsin family, serine active site / Peptidase S1A, chymotrypsin family / Serine proteases, trypsin family, histidine active site. / Serine proteases, trypsin family, serine active site. / Serine proteases, trypsin domain profile. / Trypsin-like serine protease / Serine proteases, trypsin domain / Trypsin / Trypsin-like serine proteases / Thrombin, subunit H / Peptidase S1, PA clan, chymotrypsin-like fold / Peptidase S1, PA clan / Beta Barrel / Mainly Beta
Similarity search - Domain/homology
N-(BENZYLSULFONYL)-O-TERT-BUTYL-D-SERYL-N-(4-CARBAMIMIDOYLBENZYL)GLYCINAMIDE / Chem-TFN / Serine protease 1
Similarity search - Component
Biological speciesBos taurus (cattle)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.53 Å
AuthorsTziridis, A. / Neumann, P. / Kolenko, P. / Stubbs, M.T.
CitationJournal: Biol.Chem. / Year: 2014
Title: Correlating structure and ligand affinity in drug discovery: a cautionary tale involving second shell residues.
Authors: Tziridis, A. / Rauh, D. / Neumann, P. / Kolenko, P. / Menzel, A. / Brauer, U. / Ursel, C. / Steinmetzer, P. / Sturzebecher, J. / Schweinitz, A. / Steinmetzer, T. / Stubbs, M.T.
History
DepositionNov 16, 2010Deposition site: RCSB / Processing site: RCSB
Revision 1.0Dec 7, 2011Provider: repository / Type: Initial release
Revision 1.1Jan 18, 2012Group: Non-polymer description
Revision 1.2Dec 12, 2012Group: Other
Revision 1.3Jul 16, 2014Group: Database references
Revision 1.4Sep 24, 2014Group: Database references
Revision 1.5Sep 6, 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 / pdbx_struct_special_symmetry / 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_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_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.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_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_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_ref_seq_dif.details
Revision 1.6Oct 30, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Cationic trypsin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)24,3928
Polymers23,3761
Non-polymers1,0167
Water6,684371
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)54.502, 54.502, 111.708
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number152
Space group name H-MP3121
Components on special symmetry positions
IDModelComponents
11A-488-

HOH

21A-574-

HOH

31A-635-

HOH

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Components

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Protein , 1 types, 1 molecules A

#1: Protein Cationic trypsin / Beta-trypsin / Alpha-trypsin chain 1 / Alpha-trypsin chain 2


Mass: 23376.363 Da / Num. of mol.: 1 / Fragment: UNP residues 24-246
Mutation: N102E, L104Y, Y175S, P176S, G177F, Q178Y, S195A, V228I
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Bos taurus (cattle) / Plasmid: pET3a / Production host: Escherichia coli (E. coli) / References: UniProt: P00760, trypsin

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Non-polymers , 5 types, 378 molecules

#2: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Ca
#3: Chemical ChemComp-TFN / N-(benzylsulfonyl)-O-tert-butyl-D-seryl-N-(4-carbamimidoylbenzyl)glycinamide


Type: peptide-like, Peptide-like / Class: Inhibitor / Mass: 503.614 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C24H33N5O5S
References: N-(BENZYLSULFONYL)-O-TERT-BUTYL-D-SERYL-N-(4-CARBAMIMIDOYLBENZYL)GLYCINAMIDE
#4: Chemical ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: SO4
#5: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C3H8O3
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 371 / Source method: isolated from a natural source / Formula: H2O

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Details

Has protein modificationY

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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: 2.05 Å3/Da / Density % sol: 39.97 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 8
Details: 30% PEG 8000, 0.1M IMIDAZOLE, 0.2M AMMONIUM SULPHATE, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: BESSY / Beamline: 14.1 / Wavelength: 0.91841 Å
DetectorType: MARMOSAIC 225 mm CCD / Detector: CCD / Details: mirrors
RadiationMonochromator: Si 111 CHANNEL / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.91841 Å / Relative weight: 1
ReflectionResolution: 1.52→50 Å / Num. all: 29835 / Num. obs: 29835 / % possible obs: 93.9 % / Redundancy: 4.5 % / Biso Wilson estimate: 13 Å2 / Rmerge(I) obs: 0.172 / Net I/σ(I): 5.6
Reflection shell
Resolution (Å)Redundancy (%)Rmerge(I) obsMean I/σ(I) obsNum. unique allDiffraction-ID% possible all
1.52-1.572.90.5471.31890161
3.27-504.20.1255.93240195

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Processing

Software
NameVersionClassification
MxCuBEdata collection
AMoREphasing
REFMAC5.5.0109refinement
HKL-2000data reduction
SCALEPACKdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1V2K

1v2k


Resolution: 1.53→50 Å / Cor.coef. Fo:Fc: 0.964 / Isotropic thermal model: ISOTROPIC / Cross valid method: THROUGHOUT / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.18126 1484 -RANDOM
Rwork0.15351 ---
all0.15354 29463 --
obs0.15354 27979 98.58 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 14.447 Å2
Baniso -1Baniso -2Baniso -3
1--0.12 Å2-0.06 Å20 Å2
2---0.12 Å20 Å2
3---0.18 Å2
Refinement stepCycle: LAST / Resolution: 1.53→50 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1633 0 63 371 2067
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0110.0221776
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.5321.9772413
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.585234
X-RAY DIFFRACTIONr_dihedral_angle_2_deg38.9925.76359
X-RAY DIFFRACTIONr_dihedral_angle_3_deg10.95715287
X-RAY DIFFRACTIONr_dihedral_angle_4_deg21.015152
X-RAY DIFFRACTIONr_chiral_restr0.2580.2267
X-RAY DIFFRACTIONr_gen_planes_refined0.0070.0211293
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_it0.7331.51128
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it1.29321811
X-RAY DIFFRACTIONr_scbond_it1.9313648
X-RAY DIFFRACTIONr_scangle_it2.8624.5596
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.53→1.568 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.225 102 -
Rwork0.176 2024 -
obs-2024 92.97 %

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