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- PDB-3wd0: Serratia marcescens Chitinase B, tetragonal form -

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Basic information

Entry
Database: PDB / ID: 3wd0
TitleSerratia marcescens Chitinase B, tetragonal form
ComponentsChitinase B
KeywordsHYDROLASE / Tim Barrel
Function / homology
Function and homology information


chitinase / chitinase activity / chitin catabolic process / chitin binding / polysaccharide catabolic process / carbohydrate binding / extracellular region
Similarity search - Function
Carbohydrate-binding module superfamily 5/12 / Chitin-binding domain type 3 / Seminal Fluid Protein PDC-109 (Domain B) / Carbohydrate-binding module family 5/12 / Carbohydrate-binding module superfamily 5/12 / Chitinase A; domain 3 - #10 / Glycosyl hydrolases family 18 (GH18) active site / Glycosyl hydrolases family 18 (GH18) active site signature. / Chitinase insertion domain superfamily / Chitinase II ...Carbohydrate-binding module superfamily 5/12 / Chitin-binding domain type 3 / Seminal Fluid Protein PDC-109 (Domain B) / Carbohydrate-binding module family 5/12 / Carbohydrate-binding module superfamily 5/12 / Chitinase A; domain 3 - #10 / Glycosyl hydrolases family 18 (GH18) active site / Glycosyl hydrolases family 18 (GH18) active site signature. / Chitinase insertion domain superfamily / Chitinase II / Glyco_18 / Glycosyl hydrolases family 18 (GH18) domain profile. / Glycoside hydrolase family 18, catalytic domain / Glycosyl hydrolases family 18 / Chitinase A; domain 3 / Ribbon / Glycosidases / Glycoside hydrolase superfamily / TIM Barrel / Roll / Alpha-Beta Barrel / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
DITHIANE DIOL / Chitinase B
Similarity search - Component
Biological speciesSerratia marcescens (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.7 Å
AuthorsHirose, T. / Maita, N. / Gouda, H. / Koseki, J. / Yamamoto, T. / Sugawara, A. / Nakano, H. / Hirono, S. / Shiomi, K. / Watanabe, T. ...Hirose, T. / Maita, N. / Gouda, H. / Koseki, J. / Yamamoto, T. / Sugawara, A. / Nakano, H. / Hirono, S. / Shiomi, K. / Watanabe, T. / Taniguchi, H. / Sharpless, K.B. / Omura, S. / Sunazuka, T.
CitationJournal: Proc.Natl.Acad.Sci.USA / Year: 2013
Title: Observation of the controlled assembly of preclick components in the in situ click chemistry generation of a chitinase inhibitor
Authors: Hirose, T. / Maita, N. / Gouda, H. / Koseki, J. / Yamamoto, T. / Sugawara, A. / Nakano, H. / Hirono, S. / Shiomi, K. / Watanabe, T. / Taniguchi, H. / Sharpless, K.B. / Omura, S. / Sunazuka, T.
History
DepositionJun 6, 2013Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Sep 18, 2013Provider: repository / Type: Initial release
Revision 1.1Nov 6, 2013Group: Database references
Revision 1.2Nov 8, 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 / 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
A: Chitinase B
hetero molecules


Theoretical massNumber of molelcules
Total (without water)56,91011
Polymers55,9251
Non-polymers98510
Water9,440524
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
A: Chitinase B
hetero molecules

A: Chitinase B
hetero molecules


Theoretical massNumber of molelcules
Total (without water)113,82122
Polymers111,8512
Non-polymers1,97020
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation7_555y,x,-z1
Buried area6360 Å2
ΔGint-33 kcal/mol
Surface area39000 Å2
MethodPISA
Unit cell
Length a, b, c (Å)98.129, 98.129, 197.508
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number96
Space group name H-MP43212

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Components

#1: Protein Chitinase B


Mass: 55925.402 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Serratia marcescens (bacteria) / Gene: chiB / Plasmid: pTrcHis B / Production host: Escherichia coli (E. coli) / Strain (production host): DH5a / References: UniProt: P11797, chitinase
#2: Chemical
ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL / Glycerol


Mass: 92.094 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: C3H8O3
#3: Chemical ChemComp-SO4 / SULFATE ION / Sulfate


Mass: 96.063 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: SO4
#4: Chemical ChemComp-DTD / DITHIANE DIOL


Mass: 152.235 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C4H8O2S2
#5: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 524 / 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: 4.25 Å3/Da / Density % sol: 71.06 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 7
Details: 0.1M Hepes-Na pH7.0, 0.8M ammonium sulfate, 5% (v/v) glycerol, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Photon Factory / Beamline: AR-NW12A / Wavelength: 1 Å
DetectorType: ADSC QUANTUM 210 / Detector: CCD / Date: Oct 11, 2009
RadiationMonochromator: Si 111 / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.7→30 Å / Num. all: 106918 / Num. obs: 106499 / % possible obs: 99.6 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 18.3 % / Biso Wilson estimate: 20.2 Å2 / Rmerge(I) obs: 0.083 / Net I/σ(I): 33.9
Reflection shellResolution: 1.7→1.76 Å / Redundancy: 11.9 % / Rmerge(I) obs: 0.429 / Mean I/σ(I) obs: 5.9 / Num. unique all: 10522 / % possible all: 100

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Processing

Software
NameVersionClassification
ADSCQuantumdata collection
MOLREPphasing
REFMAC5.7.0029refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Starting model: 1.0E+15 / Resolution: 1.7→29.31 Å / Cor.coef. Fo:Fc: 0.962 / Cor.coef. Fo:Fc free: 0.958 / SU B: 1.165 / SU ML: 0.039 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.069 / ESU R Free: 0.067 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT
RfactorNum. reflection% reflectionSelection details
Rfree0.18214 5311 5 %RANDOM
Rwork0.16945 ---
all0.1701 106918 --
obs0.1701 101067 99.55 %-
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 mean: 21.015 Å2
Baniso -1Baniso -2Baniso -3
1-0.7 Å2-0 Å20 Å2
2--0.7 Å2-0 Å2
3----1.39 Å2
Refinement stepCycle: LAST / Resolution: 1.7→29.31 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3914 0 61 524 4499
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0090.024202
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.251.9475729
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.775522
X-RAY DIFFRACTIONr_dihedral_angle_2_deg32.59324.02204
X-RAY DIFFRACTIONr_dihedral_angle_3_deg10.90715626
X-RAY DIFFRACTIONr_dihedral_angle_4_deg12.5041524
X-RAY DIFFRACTIONr_chiral_restr0.0890.2601
X-RAY DIFFRACTIONr_gen_planes_refined0.0070.0213316
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_it
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it
X-RAY DIFFRACTIONr_scbond_it
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.698→1.742 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.229 372 -
Rwork0.205 7368 -
obs--99.97 %

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