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- PDB-2cam: AVIDIN MUTANT (K3E,K9E,R26D,R124L) -

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Open data


ID or keywords:

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Basic information

Entry
Database: PDB / ID: 2cam
TitleAVIDIN MUTANT (K3E,K9E,R26D,R124L)
ComponentsAVIDIN
KeywordsGLYCOPROTEIN / AVIDIN / BIOTIN BINDING PROTEIN / CALYCINS / UP-AND-DOWN BETA BARREL
Function / homology
Function and homology information


biotin binding / antibacterial humoral response / extracellular region
Similarity search - Function
Avidin-like / Avidin-like, conserved site / Avidin-like domain signature. / Avidin / : / Avidin/streptavidin / Avidin-like superfamily / Avidin family / Avidin-like domain profile. / Lipocalin ...Avidin-like / Avidin-like, conserved site / Avidin-like domain signature. / Avidin / : / Avidin/streptavidin / Avidin-like superfamily / Avidin family / Avidin-like domain profile. / Lipocalin / Beta Barrel / Mainly Beta
Similarity search - Domain/homology
Biological speciesGallus gallus (chicken)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.2 Å
AuthorsRosano, C. / Arosio, P. / Bolognesi, M.
Citation
Journal: Eur.J.Biochem. / Year: 1998
Title: Biochemical characterization and crystal structure of a recombinant hen avidin and its acidic mutant expressed in Escherichia coli.
Authors: Nardone, E. / Rosano, C. / Santambrogio, P. / Curnis, F. / Corti, A. / Magni, F. / Siccardi, A.G. / Paganelli, G. / Losso, R. / Apreda, B. / Bolognesi, M. / Sidoli, A. / Arosio, P.
#1: Journal: J.Mol.Biol. / Year: 1994
Title: Crystal Structure of Apo-Avidin from Hen Egg-White
Authors: Pugliese, L. / Malcovati, M. / Coda, A. / Bolognesi, M.
#2: Journal: Proc.Natl.Acad.Sci.USA / Year: 1993
Title: Three-Dimensional Structures of Avidin and the Avidin-Biotin Complex
Authors: Livnah, O. / Bayer, E.A. / Wilchek, M. / Sussman, J.L.
#3: Journal: J.Mol.Biol. / Year: 1993
Title: Three-Dimensional Structure of the Tetragonal Crystal Form of Egg-White Avidin in its Functional Complex with Biotin at 2.7 A Resolution
Authors: Pugliese, L. / Coda, A. / Malcovati, M. / Bolognesi, M.
History
DepositionMar 27, 1998Processing site: BNL
Revision 1.0Jul 15, 1998Provider: repository / Type: Initial release
Revision 1.1Mar 24, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Derived calculations / Version format compliance
Revision 1.3Nov 3, 2021Group: Database references / Category: database_2 / struct_ref_seq_dif
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details
Revision 1.4Aug 9, 2023Group: Refinement description / Category: pdbx_initial_refinement_model
Revision 1.5Oct 9, 2024Group: Data collection / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / 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: AVIDIN
B: AVIDIN


Theoretical massNumber of molelcules
Total (without water)28,4102
Polymers28,4102
Non-polymers00
Water1,60389
1
A: AVIDIN
B: AVIDIN

A: AVIDIN
B: AVIDIN


Theoretical massNumber of molelcules
Total (without water)56,8194
Polymers56,8194
Non-polymers00
Water724
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation2_565-x,-y+1,z1
Buried area9960 Å2
ΔGint-55 kcal/mol
Surface area22300 Å2
MethodPISA, PQS
Unit cell
Length a, b, c (Å)76.590, 82.150, 43.750
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number18
Space group name H-MP21212

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Components

#1: Protein AVIDIN


Mass: 14204.784 Da / Num. of mol.: 2 / Mutation: K3E, K9E, R26D, R124L
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Gallus gallus (chicken) / Cell: EGG / Cell line: BL21 / Cellular location: CYTOPLASM (WHITE) / Plasmid: BL21 / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21 (DE3) / References: UniProt: P02701
#2: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 89 / Source method: isolated from a natural source / Formula: H2O
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: 2.5 Å3/Da / Density % sol: 50.8 %
Crystal growTemperature: 295 K / Method: vapor diffusion / pH: 5.7
Details: RECOMBINANT AVIDIN WAS CRYSTALLIZED FROM AMMONIUM SULFATE 2M. PH 5.7 0.05 M PHOSPHATE BUFFER AT 22 C BY VAPOUR DIFFUSION TECHNIQUES., vapor diffusion, temperature 295K
Crystal
*PLUS
Crystal grow
*PLUS
Temperature: 22 ℃ / Method: vapor diffusion / pH: 7.2
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetails
115 mg/mlprotein1drop
22.0 Mammonium sulfate1reservoir
30.05 Msodium phosphate1reservoirpH5.7
49 %mass/vPEG80001drop
50.05 MTris-HCl1droppH7.2

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Data collection

DiffractionMean temperature: 293 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RUH2R / Wavelength: 1.5418
DetectorType: RIGAKU RAXIS IIC / Detector: IMAGE PLATE / Date: Dec 1, 1997
RadiationMonochromator: GRAPHITE(002) / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2.2→22 Å / Num. obs: 13827 / % possible obs: 95 % / Observed criterion σ(I): 0 / Redundancy: 3.6 % / Rmerge(I) obs: 0.045 / Net I/σ(I): 15
Reflection shellResolution: 2.2→2.7 Å / % possible all: 93.2
Reflection
*PLUS
Num. measured all: 49395

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Processing

Software
NameVersionClassification
MOSFLMdata reduction
CCP4data reduction
AMoREphasing
TNT5Erefinement
CCP4data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1AVE

1ave


Resolution: 2.2→20.2 Å / Isotropic thermal model: TNT BCORREL / σ(F): 0 / Stereochemistry target values: TNT PROTGEO
RfactorNum. reflection% reflection
all0.181 13827 -
obs-13827 95 %
Solvent computationSolvent model: TNT / Bsol: 150 Å2 / ksol: 0.78 e/Å3
Refinement stepCycle: LAST / Resolution: 2.2→20.2 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1940 0 0 89 2029
Refine LS restraints
Refine-IDTypeDev idealNumberWeight
X-RAY DIFFRACTIONt_bond_d0.01519808.1
X-RAY DIFFRACTIONt_angle_deg2.644268611.5
X-RAY DIFFRACTIONt_dihedral_angle_d20.49311760
X-RAY DIFFRACTIONt_incorr_chiral_ct0
X-RAY DIFFRACTIONt_pseud_angle
X-RAY DIFFRACTIONt_trig_c_planes0.015549.9
X-RAY DIFFRACTIONt_gen_planes0.01728433.9
X-RAY DIFFRACTIONt_it3.936198020.9
X-RAY DIFFRACTIONt_nbd0.0824010.5
Software
*PLUS
Name: TNT / Version: 5E / Classification: refinement
Refinement
*PLUS
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev idealWeight
X-RAY DIFFRACTIONt_dihedral_angle_d
X-RAY DIFFRACTIONt_dihedral_angle_deg20.4930
X-RAY DIFFRACTIONt_planar_d0.0159.9
X-RAY DIFFRACTIONt_plane_restr0.01733.9

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