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- PDB-1hvq: CRYSTAL STRUCTURES OF HEVAMINE, A PLANT DEFENCE PROTEIN WITH CHIT... -

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Basic information

Entry
Database: PDB / ID: 1hvq
TitleCRYSTAL STRUCTURES OF HEVAMINE, A PLANT DEFENCE PROTEIN WITH CHITINASE AND LYSOZYME ACTIVITY, AND ITS COMPLEX WITH AN INHIBITOR
ComponentsHEVAMINE A
KeywordsHYDROLASE / GLYCOSIDASE / CHITIN DEGRADATION / MULTIFUNCTIONAL ENZYME
Function / homology
Function and homology information


chitinase / chitinase activity / vacuole / chitin catabolic process / polysaccharide catabolic process / lysozyme / lysozyme activity
Similarity search - Function
Chitinase Cts1-like / Glycosyl hydrolases family 18 (GH18) active site / Glycosyl hydrolases family 18 (GH18) active site signature. / Glycosyl hydrolases family 18 (GH18) domain profile. / Glycoside hydrolase family 18, catalytic domain / Glycosyl hydrolases family 18 / Glycosidases / Glycoside hydrolase superfamily / TIM Barrel / Alpha-Beta Barrel / Alpha Beta
Similarity search - Domain/homology
triacetyl-beta-chitotriose / Hevamine-A
Similarity search - Component
Biological speciesHevea brasiliensis (rubber tree)
MethodX-RAY DIFFRACTION / Resolution: 2.2 Å
AuthorsTerwisscha Van Scheltinga, A.C. / Kalk, K.H. / Beintema, J.J. / Dijkstra, B.W.
Citation
Journal: Structure / Year: 1994
Title: Crystal structures of hevamine, a plant defence protein with chitinase and lysozyme activity, and its complex with an inhibitor.
Authors: Terwisscha van Scheltinga, A.C. / Kalk, K.H. / Beintema, J.J. / Dijkstra, B.W.
#1: Journal: J.Mol.Biol. / Year: 1990
Title: Crystallization of Hevamine, an Enzyme with Lysozyme(Slash)Chitinase Activity from Hevea Brasiliensis Latex
Authors: Rozeboom, H.J. / Budiani, A. / Beintema, J.J. / Dijkstra, B.W.
History
DepositionOct 13, 1994Processing site: BNL
Revision 1.0Dec 2, 1995Provider: repository / Type: Initial release
Revision 1.1Mar 3, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 1.3Apr 18, 2018Group: Data collection / Other / Category: diffrn_detector / pdbx_database_status
Item: _diffrn_detector.detector / _pdbx_database_status.process_site
Revision 2.0Jul 29, 2020Group: Atomic model / Data collection ...Atomic model / Data collection / Derived calculations / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / entity / entity_name_com / pdbx_branch_scheme / pdbx_chem_comp_identifier / pdbx_entity_branch / pdbx_entity_branch_descriptor / pdbx_entity_branch_link / pdbx_entity_branch_list / pdbx_entity_nonpoly / pdbx_molecule_features / pdbx_nonpoly_scheme / pdbx_struct_assembly_gen / struct_asym / struct_conn / struct_site / struct_site_gen
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_site.auth_asym_id / _atom_site.auth_atom_id / _atom_site.auth_seq_id / _atom_site.label_asym_id / _atom_site.label_atom_id / _atom_site.type_symbol / _chem_comp.name / _chem_comp.type / _entity.formula_weight / _entity.pdbx_description / _entity.pdbx_number_of_molecules / _entity.type / _pdbx_struct_assembly_gen.asym_id_list / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: HEVAMINE A
hetero molecules


Theoretical massNumber of molelcules
Total (without water)30,2012
Polymers29,5731
Non-polymers6281
Water3,675204
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)52.300, 57.360, 82.680
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121
Atom site foot note1: CIS PROLINE - PRO 162

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Components

#1: Protein HEVAMINE A


Mass: 29573.182 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Details: PLANT ENDOCHITINASE/LYSOZYME / Source: (natural) Hevea brasiliensis (rubber tree) / Tissue: LATEX / References: UniProt: P23472, chitinase, lysozyme
#2: Polysaccharide 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2- ...2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose / triacetyl-beta-chitotriose


Type: oligosaccharide, Oligosaccharide / Class: Inhibitor / Mass: 627.594 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Details: oligosaccharide / References: triacetyl-beta-chitotriose
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/1,3,2/[a2122h-1b_1-5_2*NCC/3=O]/1-1-1/a4-b1_b4-c1WURCSPDB2Glycan 1.1.0
[][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}}LINUCSPDB-CARE
#3: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 204 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 2.1 Å3/Da / Density % sol: 41.31 %
Crystal grow
*PLUS
Method: vapor diffusion, hanging drop / PH range low: 9 / PH range high: 5
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetails
135-65 %satammonium sulfate1drop
21.7-3.4 Msodium chloride1reservoirprecipitant

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Data collection

Diffraction sourceWavelength: 1.54
DetectorType: ENRAF-NONIUS FAST / Detector: DIFFRACTOMETER / Date: Nov 15, 1993
RadiationMonochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.54 Å / Relative weight: 1
ReflectionNum. obs: 9453 / % possible obs: 92 % / Observed criterion σ(I): 3 / Redundancy: 3.9 % / Rmerge(I) obs: 0.082
Reflection
*PLUS
Highest resolution: 2.4 Å / Lowest resolution: 28 Å / Rmerge(I) obs: 0.082

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Processing

Software
NameClassification
MADNESdata collection
X-PLORmodel building
X-PLORrefinement
MADNESdata reduction
X-PLORphasing
RefinementResolution: 2.2→8 Å / σ(F): 0
RfactorNum. reflection% reflection
Rfree0.244 --
Rwork0.144 --
obs0.144 9145 92.7 %
Refine analyzeLuzzati coordinate error obs: 0.25 Å
Refinement stepCycle: LAST / Resolution: 2.2→8 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2087 0 43 204 2334
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.015
X-RAY DIFFRACTIONx_bond_d_na
X-RAY DIFFRACTIONx_bond_d_prot
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_d_na
X-RAY DIFFRACTIONx_angle_d_prot
X-RAY DIFFRACTIONx_angle_deg3.1
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it
X-RAY DIFFRACTIONx_mcangle_it
X-RAY DIFFRACTIONx_scbond_it
X-RAY DIFFRACTIONx_scangle_it
Software
*PLUS
Name: X-PLOR / Classification: refinement
Refinement
*PLUS
Highest resolution: 2.4 Å
Solvent computation
*PLUS
Displacement parameters
*PLUS

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