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- PDB-7bs2: Bovine Pancreatic Trypsin with serotonin (Room Temperature) -

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Basic information

Entry
Database: PDB / ID: 7bs2
TitleBovine Pancreatic Trypsin with serotonin (Room Temperature)
ComponentsCationic trypsin
KeywordsHYDROLASE / microfluidic device / crystal sorting / room temperature
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 / 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 ...: / 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
SEROTONIN / Serine protease 1
Similarity search - Component
Biological speciesBos taurus (domestic cattle)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 1.8 Å
AuthorsMaeki, M. / Ito, S. / Takeda, R. / Funakubo, T. / Ueno, G. / Ishida, A. / Tani, H. / Yamamoto, M. / Tokeshi, M.
Funding support Japan, 1items
OrganizationGrant numberCountry
Japan Agency for Medical Research and Development (AMED) Japan
CitationJournal: Chem Sci / Year: 2020
Title: Room-temperature crystallography using a microfluidic protein crystal array device and its application to protein-ligand complex structure analysis.
Authors: Maeki, M. / Ito, S. / Takeda, R. / Ueno, G. / Ishida, A. / Tani, H. / Yamamoto, M. / Tokeshi, M.
History
DepositionMar 30, 2020Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Aug 26, 2020Provider: repository / Type: Initial release
Revision 1.1Jun 23, 2021Group: Database references / Category: citation / citation_author
Item: _citation.journal_id_ISSN / _citation.journal_volume ..._citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_PubMed / _citation.title
Revision 1.2Nov 29, 2023Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Revision 1.3Oct 16, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature / Item: _pdbx_entry_details.has_protein_modification

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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)23,6374
Polymers23,3241
Non-polymers3123
Water3,999222
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area190 Å2
ΔGint-15 kcal/mol
Surface area9240 Å2
MethodPISA
Unit cell
Length a, b, c (Å)55.090, 58.520, 67.580
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein Cationic trypsin / Beta-trypsin


Mass: 23324.287 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Bos taurus (domestic cattle) / References: UniProt: P00760, trypsin
#2: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Ca
#3: Chemical ChemComp-SRO / SEROTONIN / 3-(2-AMINOETHYL)-1H-INDOL-5-OL


Mass: 176.215 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C10H12N2O / Feature type: SUBJECT OF INVESTIGATION / Comment: neurotransmitter*YM
#4: Chemical ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: SO4
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 222 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestY
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: 2.34 Å3/Da / Density % sol: 47.33 %
Crystal growTemperature: 277 K / Method: vapor diffusion, sitting drop / Details: PEG 3350

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Data collection

DiffractionMean temperature: 293 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: SPring-8 / Beamline: BL26B2 / Wavelength: 1 Å
DetectorType: RAYONIX MX225-HS / Detector: CCD / Date: May 9, 2019
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.5→44.24 Å / Num. obs: 32490 / % possible obs: 90.9 % / Redundancy: 3.683 % / Biso Wilson estimate: 20.028 Å2 / CC1/2: 0.977 / Rmerge(I) obs: 0.255 / Rrim(I) all: 0.292 / Χ2: 0.972 / Net I/σ(I): 4.71 / Num. measured all: 119669 / Scaling rejects: 266
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsMean I/σ(I) obsNum. measured obsNum. possibleNum. unique obsCC1/2Rrim(I) all% possible all
1.5-1.593.662.0330.6318091560749430.1982.3488.2
1.59-1.73.6931.3451.0417548536447520.3231.54888.6
1.7-1.843.6920.8361.7917096514846310.5870.95990
1.84-2.013.6690.5013.2615167447041340.8280.57392.5
2.01-2.253.630.3215.1914513426339980.9070.36793.8
2.25-2.63.6440.2276.9912895373835390.9430.2694.7
2.6-3.183.6990.1489.5311019314429790.9680.1794.8
3.18-4.53.7480.10813.648623251923010.9770.12391.3
4.5-44.243.8890.09914.844717147212130.9850.11282.4

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Phasing

PhasingMethod: molecular replacement
Phasing MR
Highest resolutionLowest resolution
Rotation5.1 Å44.24 Å
Translation5.1 Å44.24 Å

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Processing

Software
NameVersionClassification
XSCALEdata scaling
PHASER2.7.16phasing
PHENIX1.17refinement
PDB_EXTRACT3.25data extraction
XDSdata reduction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1s0q

1s0q


Resolution: 1.8→44.24 Å / SU ML: 0.16 / Cross valid method: THROUGHOUT / σ(F): 1.37 / Phase error: 17.04
RfactorNum. reflection% reflection
Rfree0.1924 945 4.89 %
Rwork0.1464 --
obs0.1485 19326 92.6 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å
Displacement parametersBiso max: 75.45 Å2 / Biso mean: 15.8643 Å2 / Biso min: 3.56 Å2
Refinement stepCycle: final / Resolution: 1.8→44.24 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1629 0 31 222 1882
Biso mean--25.27 30.07 -
Num. residues----223
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / Total num. of bins used: 7

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all% reflection obs (%)
1.8-1.890.23241380.19982549268791
1.89-2.010.19881280.17782586271493
2.01-2.170.2091260.15462624275094
2.17-2.390.20411550.15152616277194
2.39-2.730.1841430.15162685282895
2.73-3.440.19611240.14772708283294
3.44-44.240.16381310.11172613274487

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