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- PDB-2ac1: Crystal structure of a cell-wall invertase from Arabidopsis thaliana -

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Basic information

Entry
Database: PDB / ID: 2ac1
TitleCrystal structure of a cell-wall invertase from Arabidopsis thaliana
Componentsinvertase
KeywordsHYDROLASE / five fold beta propeller
Function / homology
Function and homology information


beta-fructofuranosidase activity / beta-fructofuranosidase / apoplast / defense response to fungus / response to wounding / carbohydrate metabolic process / plasma membrane
Similarity search - Function
: / Glycoside hydrolase, family 32, active site / Glycosyl hydrolases family 32 active site. / Glycosyl hydrolase family 32, C-terminal / Glycosyl hydrolases family 32 C terminal / Exo-inulinase; domain 1 / Glycoside hydrolase, family 32 / Glycosyl hydrolase family 32, N-terminal / Glycosyl hydrolases family 32 N-terminal domain / Glycosyl hydrolases family 32 ...: / Glycoside hydrolase, family 32, active site / Glycosyl hydrolases family 32 active site. / Glycosyl hydrolase family 32, C-terminal / Glycosyl hydrolases family 32 C terminal / Exo-inulinase; domain 1 / Glycoside hydrolase, family 32 / Glycosyl hydrolase family 32, N-terminal / Glycosyl hydrolases family 32 N-terminal domain / Glycosyl hydrolases family 32 / Glycosyl hydrolase domain; family 43 / 5 Propeller / Tachylectin-2; Chain A / Glycosyl hydrolase, five-bladed beta-propellor domain superfamily / Concanavalin A-like lectin/glucanase domain superfamily / Jelly Rolls / Sandwich / Mainly Beta
Similarity search - Domain/homology
Beta-fructofuranosidase, insoluble isoenzyme CWINV1
Similarity search - Component
Biological speciesArabidopsis thaliana (thale cress)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.15 Å
AuthorsVerhaest, M. / Le Roy, K. / De Ranter, C. / Van Laere, A. / Van den Ende, W. / Rabijns, A.
CitationJournal: Acta Crystallogr.,Sect.D / Year: 2006
Title: X-ray diffraction structure of a cell-wall invertase from Arabidopsis thaliana.
Authors: Verhaest, M. / Lammens, W. / Le Roy, K. / De Coninck, B. / De Ranter, C.J. / Van Laere, A. / Van den Ende, W. / Rabijns, A.
History
DepositionJul 18, 2005Deposition site: RCSB / Processing site: RCSB
Revision 1.0Aug 29, 2006Provider: repository / Type: Initial release
Revision 1.1Apr 30, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 2.0Jul 29, 2020Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Derived calculations / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / database_PDB_caveat / entity / 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_nonpoly_scheme / pdbx_struct_assembly_gen / pdbx_validate_chiral / 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_seq_id / _atom_site.label_asym_id / _atom_site.label_entity_id / _chem_comp.name / _chem_comp.type / _pdbx_struct_assembly_gen.asym_id_list / _pdbx_validate_chiral.auth_asym_id / _pdbx_validate_chiral.auth_seq_id / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_role / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Aug 23, 2023Group: Data collection / Database references ...Data collection / Database references / Refinement description / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Revision 2.2Oct 30, 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: invertase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)63,7238
Polymers61,4731
Non-polymers2,2497
Water6,684371
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)112.930, 162.890, 74.190
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number20
Space group name H-MC2221

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Components

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Protein , 1 types, 1 molecules A

#1: Protein invertase / beta-fructofuranosidase 1


Mass: 61473.441 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Arabidopsis thaliana (thale cress) / Gene: At3g13790 / Production host: Pichia pastoris (fungus) / References: UniProt: Q43866, beta-fructofuranosidase

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Sugars , 3 types, 3 molecules

#2: Polysaccharide alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-alpha-D- ...alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-3)-alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 1235.105 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpa1-2DManpa1-3[DManpa1-3DManpa1-6]DManpa1-4DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/2,7,6/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1a_1-5]/1-1-2-2-2-2-2/a4-b1_b4-c1_c3-d1_c6-f1_d2-e1_f3-g1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][a-D-GlcpNAc]{[(4+1)][a-D-GlcpNAc]{[(4+1)][b-D-Manp]{[(3+1)][a-D-Manp]{[(2+1)][a-D-Manp]{}}[(6+1)][b-D-Manp]{[(3+1)][b-D-Manp]{}}}}}}LINUCSPDB-CARE
#3: Polysaccharide 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 424.401 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/1,2,1/[a2122h-1b_1-5_2*NCC/3=O]/1-1/a4-b1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][a-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}}LINUCSPDB-CARE
#4: Sugar ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-acetyl-beta-D-glucosamine / 2-acetamido-2-deoxy-beta-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / N-ACETYL-D-GLUCOSAMINE


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0

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Non-polymers , 2 types, 375 molecules

#5: Chemical
ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C3H8O3
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 371 / Source method: isolated from a natural source / Formula: H2O

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Details

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: 2.78 Å3/Da / Density % sol: 56 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop
Details: ammonium sulphate, VAPOR DIFFUSION, HANGING DROP, temperature 277K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID14-3 / Wavelength: 0.931 Å
DetectorType: MARRESEARCH / Detector: CCD / Date: Dec 17, 2004 / Details: bent mirror
RadiationMonochromator: triangular monochromator / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.931 Å / Relative weight: 1
ReflectionResolution: 2.15→20 Å / Num. obs: 28464 / % possible obs: 74.6 % / Observed criterion σ(F): 1.41 / Observed criterion σ(I): 2 / Redundancy: 3.9 % / Biso Wilson estimate: 15.6 Å2 / Rmerge(I) obs: 0.092
Reflection shellResolution: 2.15→2.19 Å / Num. unique all: 1880 / % possible all: 98.7

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Processing

Software
NameVersionClassification
CNS1.1refinement
DENZOdata reduction
SCALEPACKdata scaling
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1ST8

1st8


Resolution: 2.15→19.8 Å / Rfactor Rfree error: 0.004 / Data cutoff high absF: 163503.69 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.243 3278 4.9 %RANDOM
Rwork0.202 ---
obs0.202 66342 92.3 %-
all-66395 --
Solvent computationSolvent model: FLAT MODEL / Bsol: 56.8767 Å2 / ksol: 0.389486 e/Å3
Displacement parametersBiso mean: 30.9 Å2
Baniso -1Baniso -2Baniso -3
1-12.09 Å20 Å20 Å2
2---3.03 Å20 Å2
3----9.06 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.31 Å0.25 Å
Luzzati d res low-5 Å
Luzzati sigma a0.36 Å0.32 Å
Refinement stepCycle: LAST / Resolution: 2.15→19.8 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4315 0 149 371 4835
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.007
X-RAY DIFFRACTIONc_angle_deg1.3
X-RAY DIFFRACTIONc_dihedral_angle_d25.4
X-RAY DIFFRACTIONc_improper_angle_d0.85
X-RAY DIFFRACTIONc_mcbond_it1.21.5
X-RAY DIFFRACTIONc_mcangle_it1.92
X-RAY DIFFRACTIONc_scbond_it2.012
X-RAY DIFFRACTIONc_scangle_it2.982.5
LS refinement shellResolution: 2.15→2.28 Å / Rfactor Rfree error: 0.015 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.336 486 4.8 %
Rwork0.29 9593 -
obs--84.2 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1protein_rep.paramprotein.top
X-RAY DIFFRACTION2water_rep.paramwater.top
X-RAY DIFFRACTION3carbohydrate.paramcarbohydrate.top
X-RAY DIFFRACTION4gol.paramgol.top

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