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- PDB-1gi7: A NOVEL SERINE PROTEASE INHIBITION MOTIF INVOLVING A MULTI-CENTER... -

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Basic information

Entry
Database: PDB / ID: 1gi7
TitleA NOVEL SERINE PROTEASE INHIBITION MOTIF INVOLVING A MULTI-CENTERED SHORT HYDROGEN BONDING NETWORK AT THE ACTIVE SITE
Components(UROKINASE-TYPE PLASMINOGEN ACTIVATOR) x 2
KeywordsBLOOD CLOTTING / hydrolase / three-centered / very short hydrogen bond / oxyanion hole water / shift of pKa of His57 / structure-based drug design / specificity / urokinase / trypsin / thrombin / Zn+2-mediated inhibition
Function / homology
Function and homology information


u-plasminogen activator / regulation of smooth muscle cell-matrix adhesion / urokinase plasminogen activator signaling pathway / regulation of plasminogen activation / regulation of fibrinolysis / regulation of wound healing / protein complex involved in cell-matrix adhesion / regulation of signaling receptor activity / negative regulation of plasminogen activation / serine-type endopeptidase complex ...u-plasminogen activator / regulation of smooth muscle cell-matrix adhesion / urokinase plasminogen activator signaling pathway / regulation of plasminogen activation / regulation of fibrinolysis / regulation of wound healing / protein complex involved in cell-matrix adhesion / regulation of signaling receptor activity / negative regulation of plasminogen activation / serine-type endopeptidase complex / regulation of smooth muscle cell migration / Dissolution of Fibrin Clot / smooth muscle cell migration / plasminogen activation / regulation of cell adhesion mediated by integrin / tertiary granule membrane / negative regulation of fibrinolysis / regulation of cell adhesion / specific granule membrane / serine protease inhibitor complex / fibrinolysis / chemotaxis / blood coagulation / regulation of cell population proliferation / response to hypoxia / positive regulation of cell migration / external side of plasma membrane / serine-type endopeptidase activity / focal adhesion / Neutrophil degranulation / cell surface / signal transduction / proteolysis / extracellular space / extracellular exosome / extracellular region / plasma membrane
Similarity search - Function
Kringle domain / Kringle / Kringle, conserved site / Kringle superfamily / Kringle domain signature. / Kringle domain profile. / Kringle domain / : / Kringle-like fold / EGF-like domain profile. ...Kringle domain / Kringle / Kringle, conserved site / Kringle superfamily / Kringle domain signature. / Kringle domain profile. / Kringle domain / : / Kringle-like fold / EGF-like domain profile. / EGF-like domain signature 1. / EGF-like domain / Serine proteases, trypsin family, histidine active site / Serine proteases, trypsin family, serine active site / Serine proteases, trypsin family, histidine active site. / Peptidase S1A, chymotrypsin family / 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
Chem-120 / CITRIC ACID / Urokinase-type plasminogen activator
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / FOURIER SYNTHESIS / Resolution: 1.79 Å
AuthorsKatz, B.A. / Elrod, K. / Luong, C. / Rice, M. / Mackman, R.L. / Sprengeler, P.A. / Spencer, J. / Hatayte, J. / Janc, J. / Link, J. ...Katz, B.A. / Elrod, K. / Luong, C. / Rice, M. / Mackman, R.L. / Sprengeler, P.A. / Spencer, J. / Hatayte, J. / Janc, J. / Link, J. / Litvak, J. / Rai, R. / Rice, K. / Sideris, S. / Verner, E. / Young, W.
CitationJournal: J.Mol.Biol. / Year: 2001
Title: A novel serine protease inhibition motif involving a multi-centered short hydrogen bonding network at the active site.
Authors: Katz, B.A. / Elrod, K. / Luong, C. / Rice, M.J. / Mackman, R.L. / Sprengeler, P.A. / Spencer, J. / Hataye, J. / Janc, J. / Link, J. / Litvak, J. / Rai, R. / Rice, K. / Sideris, S. / Verner, E. / Young, W.
History
DepositionJan 22, 2001Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jan 22, 2002Provider: repository / Type: Initial release
Revision 1.1Apr 26, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Atomic model / Version format compliance
Revision 1.3Oct 4, 2017Group: Refinement description / Category: software
Revision 1.4Oct 27, 2021Group: Database references / Derived calculations
Category: database_2 / struct_ref_seq_dif ...database_2 / struct_ref_seq_dif / struct_sheet / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details / _struct_sheet.number_strands / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.5Dec 27, 2023Group: Data collection / Category: chem_comp_atom / chem_comp_bond
Revision 1.6Oct 16, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: UROKINASE-TYPE PLASMINOGEN ACTIVATOR
B: UROKINASE-TYPE PLASMINOGEN ACTIVATOR
hetero molecules


Theoretical massNumber of molelcules
Total (without water)30,9265
Polymers30,2882
Non-polymers6393
Water4,612256
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area1540 Å2
ΔGint-2 kcal/mol
Surface area11810 Å2
MethodPISA
Unit cell
Length a, b, c (Å)82.35, 49.79, 66.12
Angle α, β, γ (deg.)90.0, 113.23, 90.0
Int Tables number5
Space group name H-MC121

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Components

#1: Protein/peptide UROKINASE-TYPE PLASMINOGEN ACTIVATOR / UPA / U-PLASMINOGEN ACTIVATOR / UROKINASE-PLASMINOGEN ACTIVATOR


Mass: 2708.183 Da / Num. of mol.: 1 / Fragment: SHORT CHAIN
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Description: CHEM.BIOL. 7, 299-312, 2000 / Plasmid: PPIC9LMWUPA / Production host: Pichia pastoris (fungus) / References: UniProt: P00749
#2: Protein UROKINASE-TYPE PLASMINOGEN ACTIVATOR / E.C.3.4.21.73 / UPA / U-PLASMINOGEN ACTIVATOR / UROKINASE-PLASMINOGEN ACTIVATOR


Mass: 27579.473 Da / Num. of mol.: 1 / Fragment: CATALYTIC DOMAIN / Mutation: N145A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Description: CHEM.BIOL. 7, 299-312, 2000 / Plasmid: PPIC9LMWUPA / Production host: Pichia pastoris (fungus) / References: UniProt: P00749, u-plasminogen activator
#3: Chemical ChemComp-120 / 2-(2-OXO-1,2-DIHYDRO-PYRIDIN-3-YL)-1H-BENZOIMIDAZOLE-5-CARBOXAMIDINE


Mass: 254.267 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C13H12N5O
#4: Chemical ChemComp-CIT / CITRIC ACID


Mass: 192.124 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C6H8O7
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 256 / Source method: isolated from a natural source / Formula: H2O
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: 2.06 Å3/Da / Density % sol: 40.15 %
Crystal growTemperature: 298 K / Method: vapor diffusion / pH: 6.5
Details: 2-propanol PEG 4000, pH 6.5, vapor diffusion at 298 K, pH 6.50
Crystal grow
*PLUS
Method: vapor diffusion, hanging drop / PH range low: 8.2 / PH range high: 7.5
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetailsChemical formula
110 mg/mlprotein1drop
20.10 MHEPES1reservoirpH7.5 or 8.2
30.30 M1reservoirNaCl
422 %(v/v)PEG5000 MME1reservoir

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Data collection

DiffractionMean temperature: 277 K
Diffraction sourceSource: SYNCHROTRON / Site: SSRL / Beamline: BL9-1 / Wavelength: 0.97
DetectorType: MARRESEARCH / Detector: IMAGE PLATE / Date: Jun 25, 2000
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97 Å / Relative weight: 1
ReflectionResolution: 1.79→40.95 Å / Num. obs: 21259 / % possible obs: 90.2 % / Observed criterion σ(I): 0 / Redundancy: 1.7 % / Rmerge(I) obs: 0.098 / Net I/σ(I): 7.6
Reflection shellResolution: 1.79→1.87 Å / Num. unique all: 843 / % possible all: 40.1
Reflection
*PLUS
Num. measured all: 35745

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Processing

Software
NameVersionClassification
MAR345data collection
DENZOdata reduction
X-PLOR3.851refinement
SCALEPACKdata scaling
RefinementMethod to determine structure: FOURIER SYNTHESIS / Resolution: 1.79→7.5 Å / Cross valid method: THROUGHOUT / σ(F): 2.5 / Stereochemistry target values: X-PLOR force field
Details: Only Leu_A9 to Thr A17 are included for the A-chain. Residues prior and after these residues are not visible (disordered). Residues after Thr B242 are not visible (disordered). Residues ...Details: Only Leu_A9 to Thr A17 are included for the A-chain. Residues prior and after these residues are not visible (disordered). Residues after Thr B242 are not visible (disordered). Residues simultaneously refined in two or more conformations are: Met B47, Thr B139, Arg B166, Gln B192, Ser B202 Disordered waters are: HOH510 which is close to a symmetry-related equivalent of HOH511; No energy terms between citrate 1 and 2 are included because they are hydrogen-bonded to one another via an unusually short hydrogen bond between carboxylate/hydroxyl groups.
RfactorNum. reflection% reflection
Rfree0.22 1523 10 %
Rwork0.185 --
obs0.188 15438 67.3 %
Refinement stepCycle: LAST / Resolution: 1.79→7.5 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2003 0 45 256 2304
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.016
X-RAY DIFFRACTIONx_angle_deg4.1
Software
*PLUS
Name: X-PLOR / Version: 3.851 / Classification: refinement
Refinement
*PLUS
Lowest resolution: 7.5 Å / σ(F): 2.5 / % reflection Rfree: 10 % / Rfactor all: 0.188 / Rfactor obs: 0.185 / Rfactor Rfree: 0.22
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_angle_deg4.1
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_deg24.2
LS refinement shell
*PLUS
Highest resolution: 1.79 Å / Lowest resolution: 1.87 Å / Rfactor Rfree: 0.22 / Rfactor obs: 0.188

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