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- PDB-3a21: Crystal Structure of Streptomyces avermitilis beta-L-Arabinopyran... -

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Basic information

Entry
Database: PDB / ID: 3a21
TitleCrystal Structure of Streptomyces avermitilis beta-L-Arabinopyranosidase
ComponentsPutative secreted alpha-galactosidase
KeywordsHYDROLASE / beta-alpha-barrel / Greek key motif / beta-jellyroll / beta-trefoil
Function / homology
Function and homology information


alpha-galactosidase / alpha-galactosidase activity / carbohydrate metabolic process
Similarity search - Function
: / Alpha-galactosidase, CBM13 domain / Alpha galactosidase, C-terminal beta sandwich domain / Alpha galactosidase C-terminal beta sandwich domain / Alpha galactosidase A / Glycoside hydrolase, family 27 / Ricin-type beta-trefoil lectin domain / Ricin-type beta-trefoil / Lectin domain of ricin B chain profile. / Ricin B, lectin domain ...: / Alpha-galactosidase, CBM13 domain / Alpha galactosidase, C-terminal beta sandwich domain / Alpha galactosidase C-terminal beta sandwich domain / Alpha galactosidase A / Glycoside hydrolase, family 27 / Ricin-type beta-trefoil lectin domain / Ricin-type beta-trefoil / Lectin domain of ricin B chain profile. / Ricin B, lectin domain / Ricin B-like lectins / Trefoil (Acidic Fibroblast Growth Factor, subunit A) - #50 / Trefoil (Acidic Fibroblast Growth Factor, subunit A) / Trefoil / Galactose-binding domain-like / Golgi alpha-mannosidase II / Glycosyl hydrolase, all-beta / Aldolase class I / Aldolase-type TIM barrel / Glycoside hydrolase superfamily / Jelly Rolls / TIM Barrel / Alpha-Beta Barrel / Immunoglobulin-like / Sandwich / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
Chem-1PG / Alpha-galactosidase
Similarity search - Component
Biological speciesStreptomyces avermitilis (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.51 Å
AuthorsFujimoto, Z. / Ichinose, H. / Kaneko, S.
Citation
Journal: J.Biol.Chem. / Year: 2009
Title: A beta-l-Arabinopyranosidase from Streptomyces avermitilis is a novel member of glycoside hydrolase family 27.
Authors: Ichinose, H. / Fujimoto, Z. / Honda, M. / Harazono, K. / Nishimoto, Y. / Uzura, A. / Kaneko, S.
#1: Journal: Acta Crystallogr.,Sect.F / Year: 2008
Title: Crystallization and preliminary crystallographic analysis of exo-alpha-1,5-L-arabinofuranosidase from Streptomyces avermitilis NBRC14893.
Authors: Fujimoto, Z. / Ichinose, H. / Kaneko, S.
History
DepositionApr 27, 2009Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Jul 14, 2009Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 1.2Nov 1, 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_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.3Nov 6, 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: Putative secreted alpha-galactosidase
B: Putative secreted alpha-galactosidase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)132,93440
Polymers128,6152
Non-polymers4,31838
Water32,9131827
1
A: Putative secreted alpha-galactosidase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)66,39820
Polymers64,3081
Non-polymers2,09019
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
2
B: Putative secreted alpha-galactosidase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)66,53620
Polymers64,3081
Non-polymers2,22819
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)68.205, 98.916, 181.265
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein Putative secreted alpha-galactosidase


Mass: 64307.629 Da / Num. of mol.: 2 / Fragment: UNP residues 45-658
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Streptomyces avermitilis (bacteria) / Strain: NBRC14893 / Gene: agaA2, SAV2186, SAV_2186 / Plasmid: pIJ702 / Production host: Streptomyces lividans (bacteria) / Strain (production host): 1326 / References: UniProt: Q82L26

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Non-polymers , 5 types, 1865 molecules

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


Mass: 92.094 Da / Num. of mol.: 25 / Source method: obtained synthetically / Formula: C3H8O3
#3: Chemical
ChemComp-1PG / 2-(2-{2-[2-(2-METHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHOXY)-ETHANOL


Mass: 252.305 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C11H24O6
#4: Chemical
ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: SO4
#5: Chemical ChemComp-EPE / 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID / HEPES


Mass: 238.305 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C8H18N2O4S / Comment: pH buffer*YM
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 1827 / 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: 2.38 Å3/Da / Density % sol: 48.26 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 8
Details: 1.7M ammonium sulfate, 1.7% PEG 400, 15% glycerol, 0.1M HEPES, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 95 K
Diffraction sourceSource: SYNCHROTRON / Site: Photon Factory / Beamline: BL-17A / Wavelength: 0.983 Å
DetectorType: ADSC QUANTUM 270 / Detector: CCD / Date: Nov 9, 2008
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.983 Å / Relative weight: 1
ReflectionResolution: 1.5→50 Å / Num. obs: 191711 / % possible obs: 98.1 % / Observed criterion σ(I): 0 / Redundancy: 7.8 % / Rmerge(I) obs: 0.086 / Net I/σ(I): 30.6
Reflection shellResolution: 1.5→1.55 Å / Redundancy: 8.3 % / Rmerge(I) obs: 0.335 / Mean I/σ(I) obs: 6.5 / % possible all: 91.2

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Processing

Software
NameVersionClassification
REFMAC5.5.0088refinement
HKL-2000data collection
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1UAS, 1XYF

1uas

1xyf


Resolution: 1.51→33.37 Å / Cor.coef. Fo:Fc: 0.966 / Cor.coef. Fo:Fc free: 0.954 / SU B: 0.987 / SU ML: 0.038 / Cross valid method: THROUGHOUT / ESU R: 0.069 / ESU R Free: 0.069 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.17946 9648 5 %RANDOM
Rwork0.15678 ---
obs0.15792 181993 98.89 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 13.457 Å2
Baniso -1Baniso -2Baniso -3
1--0 Å20 Å20 Å2
2--0 Å2-0 Å2
3----0 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.069 Å0.069 Å
Refinement stepCycle: LAST / Resolution: 1.51→33.37 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms9032 0 269 1827 11128
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0060.0219624
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.0661.94313118
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.33551233
X-RAY DIFFRACTIONr_dihedral_angle_2_deg36.05424.922384
X-RAY DIFFRACTIONr_dihedral_angle_3_deg11.012151349
X-RAY DIFFRACTIONr_dihedral_angle_4_deg9.11538
X-RAY DIFFRACTIONr_chiral_restr0.070.21475
X-RAY DIFFRACTIONr_gen_planes_refined0.0050.0217204
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_it0.4071.56090
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it0.74229770
X-RAY DIFFRACTIONr_scbond_it1.18333534
X-RAY DIFFRACTIONr_scangle_it1.8364.53348
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.506→1.545 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.223 694 -
Rwork0.217 13232 -
obs--98.38 %

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