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- PDB-3icv: Structural Consequences of a Circular Permutation on Lipase B fro... -

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Basic information

Entry
Database: PDB / ID: 3icv
TitleStructural Consequences of a Circular Permutation on Lipase B from Candida Antartica
ComponentsLipase B
KeywordsHYDROLASE / CIRCULAR PERMUTATION / CLEAVAGE ON PAIR OF BASIC RESIDUES / GLYCOPROTEIN / LIPID DEGRADATION / ZYMOGEN / Disulfide bond
Function / homology
Function and homology information


triacylglycerol lipase / triacylglycerol lipase activity / lipid catabolic process
Similarity search - Function
: / Alpha/Beta hydrolase fold, catalytic domain / Alpha/Beta hydrolase fold / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
Biological speciesCandida antarctica (fungus)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.49 Å
AuthorsHorton, J.R. / Qian, Z. / Jia, D. / Lutz, S. / Cheng, X.
CitationJournal: J.Mol.Biol. / Year: 2009
Title: Structural redesign of lipase B from Candida antarctica by circular permutation and incremental truncation.
Authors: Qian, Z. / Horton, J.R. / Cheng, X. / Lutz, S.
History
DepositionJul 18, 2009Deposition site: RCSB / Processing site: RCSB
Revision 1.0Oct 6, 2009Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 1.2Jul 29, 2020Group: Data collection / Derived calculations / Structure summary
Category: chem_comp / entity ...chem_comp / entity / pdbx_chem_comp_identifier / pdbx_entity_nonpoly / struct_site / struct_site_gen
Item: _chem_comp.name / _chem_comp.type ..._chem_comp.name / _chem_comp.type / _entity.pdbx_description / _pdbx_entity_nonpoly.name
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 1.3Sep 6, 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 1.4Mar 13, 2024Group: Source and taxonomy / Category: entity_src_gen
Revision 1.5Nov 27, 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

Downloads & links

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Assembly

Deposited unit
A: Lipase B
hetero molecules


Theoretical massNumber of molelcules
Total (without water)33,5514
Polymers32,8991
Non-polymers6523
Water7,440413
1
A: Lipase B
hetero molecules

A: Lipase B
hetero molecules


Theoretical massNumber of molelcules
Total (without water)67,1018
Polymers65,7982
Non-polymers1,3036
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation6_766-x+2,-x+y+1,-z+5/31
Buried area5210 Å2
ΔGint-23 kcal/mol
Surface area22070 Å2
MethodPISA
Unit cell
Length a, b, c (Å)111.680, 111.680, 54.997
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number154
Space group name H-MP3221
Components on special symmetry positions
IDModelComponents
11A-762-

HOH

21A-773-

HOH

31A-786-

HOH

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Components

#1: Protein Lipase B / CALB


Mass: 32899.070 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Candida antarctica (fungus) / Production host: Pichia pastoris (fungus) / References: UniProt: P41365, triacylglycerol lipase
#2: Sugar ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / CALB / 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.: 2
Source method: isolated from a genetically manipulated source
Formula: C8H15NO6 / References: triacylglycerol lipase
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
#3: Chemical ChemComp-BTB / 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL / BIS-TRIS BUFFER


Mass: 209.240 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C8H19NO5 / Comment: pH buffer*YM
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 413 / Source method: isolated from a natural source / Formula: H2O
Has protein modificationY
Sequence detailsTHE RECOMBINANT PROTEIN IS A "CIRCULAR PERMUTATION" OF LIPASE B IN WHICH THE C-TERMINAL SEQUENCE ...THE RECOMBINANT PROTEIN IS A "CIRCULAR PERMUTATION" OF LIPASE B IN WHICH THE C-TERMINAL SEQUENCE AAIVAGPKQNCEPDLMPYARPFAVGKRTCSGIVTP HAS BEEN MOVED TO THE N-TERMINUS WITH THE TP REPLACED WITH G. ALA82 AND THR114 REPRESENT VARIATIONS FROM THE PUBLISHED WILD TYPE SEQUENCE AND THEIR ACCURACY WAS CONFIRMED INDEPENDENTLY BY DNA SEQUENCING

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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: 3.01 Å3/Da / Density % sol: 59.13 %
Crystal growTemperature: 289 K / Method: vapor diffusion, hanging drop / pH: 5.5
Details: 25% PEG 3350, 0.1M BIS-TRIS, 0.2M SODIUM CHLORIDE, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K

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Data collection

DiffractionMean temperature: 173 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 22-ID / Wavelength: 1
DetectorType: MARMOSAIC 300 mm CCD / Detector: CCD / Date: Oct 20, 2007
RadiationMonochromator: SI 111 / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.49→27.81 Å / Num. obs: 64040 / % possible obs: 99.1 % / Observed criterion σ(I): -3 / Redundancy: 10.5 % / Biso Wilson estimate: 20.5 Å2 / Rmerge(I) obs: 0.077 / Net I/σ(I): 23.3
Reflection shellResolution: 1.49→1.54 Å / Redundancy: 9.3 % / Rmerge(I) obs: 0.345 / Mean I/σ(I) obs: 7.2 / % possible all: 98.5

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Processing

Software
NameVersionClassification
GLRFphasing
CNS1.1refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1LBT

1lbt


Resolution: 1.49→27.81 Å / Isotropic thermal model: ISOTROPIC / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: ENGH & HUBER
RfactorNum. reflection% reflectionSelection details
Rfree0.193 3197 -RANDOM
Rwork0.177 ---
obs0.177 62943 97.4 %-
Displacement parametersBiso mean: 24.8 Å2
Baniso -1Baniso -2Baniso -3
1--2.88 Å2-2.14 Å20 Å2
2---2.88 Å20 Å2
3---5.76 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.17 Å0.15 Å
Luzzati d res low-27.81 Å
Luzzati sigma a0.09 Å0.09 Å
Refinement stepCycle: LAST / Resolution: 1.49→27.81 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2129 0 44 413 2586
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.008
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.6
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d24.1
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d1.08
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it
X-RAY DIFFRACTIONc_mcangle_it
X-RAY DIFFRACTIONc_scbond_it
X-RAY DIFFRACTIONc_scangle_it
LS refinement shellResolution: 1.49→1.54 Å / Rfactor Rfree error: 0.013
RfactorNum. reflection% reflection
Rfree0.225 280 -
Rwork0.22 --
obs--92.2 %

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