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- PDB-1fy8: CRYSTAL STRUCTURE OF THE DELTAILE16VAL17 RAT ANIONIC TRYPSINOGEN-... -

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Basic information

Entry
Database: PDB / ID: 1fy8
TitleCRYSTAL STRUCTURE OF THE DELTAILE16VAL17 RAT ANIONIC TRYPSINOGEN-BPTI COMPLEX
Components
  • PANCREATIC TRYPSIN INHIBITOR
  • TRYPSIN II, ANIONIC
Keywordshydrolase/hydrolase inhibitor / protein-protein complex / protease-inhibitor complex / beta barrel / hydrolase-hydrolase inhibitor COMPLEX
Function / homology
Function and homology information


Antimicrobial peptides / Alpha-defensins / Activation of Matrix Metalloproteinases / trypsinogen activation / negative regulation of serine-type endopeptidase activity / sulfate binding / potassium channel inhibitor activity / negative regulation of platelet aggregation / zymogen binding / Neutrophil degranulation ...Antimicrobial peptides / Alpha-defensins / Activation of Matrix Metalloproteinases / trypsinogen activation / negative regulation of serine-type endopeptidase activity / sulfate binding / potassium channel inhibitor activity / negative regulation of platelet aggregation / zymogen binding / Neutrophil degranulation / molecular function inhibitor activity / negative regulation of thrombin-activated receptor signaling pathway / collagen catabolic process / trypsin / serine protease inhibitor complex / digestion / response to nutrient / serine-type endopeptidase inhibitor activity / protease binding / serine-type endopeptidase activity / calcium ion binding / proteolysis / extracellular space / extracellular region
Similarity search - Function
: / Pancreatic trypsin inhibitor Kunitz domain / Factor Xa Inhibitor / Proteinase inhibitor I2, Kunitz, conserved site / Pancreatic trypsin inhibitor (Kunitz) family signature. / BPTI/Kunitz family of serine protease inhibitors. / Pancreatic trypsin inhibitor Kunitz domain / Kunitz/Bovine pancreatic trypsin inhibitor domain / Pancreatic trypsin inhibitor (Kunitz) family profile. / Pancreatic trypsin inhibitor Kunitz domain superfamily ...: / Pancreatic trypsin inhibitor Kunitz domain / Factor Xa Inhibitor / Proteinase inhibitor I2, Kunitz, conserved site / Pancreatic trypsin inhibitor (Kunitz) family signature. / BPTI/Kunitz family of serine protease inhibitors. / Pancreatic trypsin inhibitor Kunitz domain / Kunitz/Bovine pancreatic trypsin inhibitor domain / Pancreatic trypsin inhibitor (Kunitz) family profile. / Pancreatic trypsin inhibitor Kunitz domain superfamily / : / Few Secondary Structures / Irregular / 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
Anionic trypsin-2 / Pancreatic trypsin inhibitor
Similarity search - Component
Biological speciesRattus rattus (black rat)
Bos taurus (domestic cattle)
MethodX-RAY DIFFRACTION / Resolution: 1.7 Å
AuthorsPasternak, A. / White, A. / Jeffery, C.J. / Ringe, D. / Hedstrom, L.
CitationJournal: Protein Sci. / Year: 2001
Title: The energetic cost of induced fit catalysis: Crystal structures of trypsinogen mutants with enhanced activity and inhibitor affinity.
Authors: Pasternak, A. / White, A. / Jeffery, C.J. / Medina, N. / Cahoon, M. / Ringe, D. / Hedstrom, L.
History
DepositionSep 28, 2000Deposition site: RCSB / Processing site: RCSB
Revision 1.0Nov 8, 2000Provider: repository / Type: Initial release
Revision 1.1May 5, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 4, 2017Group: Refinement description / Category: software
Revision 1.4Oct 30, 2024Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_entry_details / pdbx_modification_feature / 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 / _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
E: TRYPSIN II, ANIONIC
I: PANCREATIC TRYPSIN INHIBITOR
hetero molecules


Theoretical massNumber of molelcules
Total (without water)31,5926
Polymers31,2632
Non-polymers3284
Water3,927218
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area2080 Å2
ΔGint-62 kcal/mol
Surface area11650 Å2
MethodPISA
Unit cell
Length a, b, c (Å)92.60, 92.60, 62.06
Angle α, β, γ (deg.)90, 90, 120
Int Tables number154
Space group name H-MP3221

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Components

#1: Protein TRYPSIN II, ANIONIC / TRYPSINOGEN


Mass: 24735.691 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Rattus rattus (black rat) / Organ: PANCREAS / Plasmid: PYT / Production host: Saccharomyces cerevisiae (brewer's yeast) / Keywords: DELETION OF I16/V17 / References: UniProt: P00763, trypsin
#2: Protein PANCREATIC TRYPSIN INHIBITOR / BPTI


Mass: 6527.568 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Bos taurus (domestic cattle) / References: UniProt: P00974
#3: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Ca
#4: Chemical ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: SO4
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 218 / 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: 2.46 Å3/Da / Density % sol: 49.91 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 8.5
Details: PEG 4000, lithium sulfate, tris, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal grow
*PLUS
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formula
110-15 mg/mlprotein1drop
21 mM1dropHCl
410 mM1dropCaCl2
535 %PEG40001reservoir
60.2 M1reservoirLiSO4
70.1 MTris-HCl1reservoir
3BPTI1drop

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Data collection

DiffractionMean temperature: 277 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU200 / Wavelength: 1.5418
DetectorType: RIGAKU RAXIS IIC / Detector: IMAGE PLATE / Date: May 16, 1997
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 1.8→10 Å / Num. all: 160328 / Num. obs: 160328 / % possible obs: 95.2 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 4.9 % / Rmerge(I) obs: 0.059 / Net I/σ(I): 11
Reflection shellResolution: 1.83→1.91 Å / Rmerge(I) obs: 0.1 / % possible all: 74.1
Reflection
*PLUS
Highest resolution: 1.7 Å / Num. obs: 32489 / Num. measured all: 160328

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Processing

Software
NameVersionClassification
SCALEPACKdata scaling
X-PLORmodel building
X-PLOR3.1refinement
X-PLORphasing
RefinementResolution: 1.7→10 Å / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.214 1603 -random
Rwork0.183 ---
all0.183 16038 --
obs0.183 16038 95.2 %-
Refinement stepCycle: LAST / Resolution: 1.7→10 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2071 0 16 218 2305
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONt_bond_d0.01
X-RAY DIFFRACTIONx_angle_deg1.5
X-RAY DIFFRACTIONx_torsion_deg26.8
X-RAY DIFFRACTIONx_torsion_impr_deg0.82
Software
*PLUS
Name: X-PLOR / Version: 3.1 / Classification: refinement
Refinement
*PLUS
Highest resolution: 1.7 Å / Lowest resolution: 10 Å / Num. reflection obs: 32489 / σ(F): 0 / Num. reflection Rfree: 3249
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d
X-RAY DIFFRACTIONx_angle_deg1.5
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_deg26.8
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_deg0.82

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