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- PDB-2emo: GREEN FLUORESCENT PROTEIN FROM AEQUOREA VICTORIA, MUTANT -

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Basic information

Entry
Database: PDB / ID: 2emo
TitleGREEN FLUORESCENT PROTEIN FROM AEQUOREA VICTORIA, MUTANT
ComponentsGREEN FLUORESCENT PROTEIN
KeywordsLUMINESCENCE / FLUORESCENT PROTEIN / BETA-BARREL / BIOLUMINESCENCE
Function / homology
Function and homology information


bioluminescence / generation of precursor metabolites and energy
Similarity search - Function
Green Fluorescent Protein / Green fluorescent protein / Green fluorescent protein, GFP / Green fluorescent protein-related / Green fluorescent protein / Green fluorescent protein / Beta Barrel / Mainly Beta
Similarity search - Domain/homology
Green fluorescent protein
Similarity search - Component
Biological speciesAequorea victoria (jellyfish)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.6 Å
AuthorsPalm, G. / Zdanov, A. / Wlodawer, A.
CitationJournal: Nat.Struct.Biol. / Year: 1997
Title: The structural basis for spectral variations in green fluorescent protein.
Authors: Palm, G.J. / Zdanov, A. / Gaitanaris, G.A. / Stauber, R. / Pavlakis, G.N. / Wlodawer, A.
History
DepositionMar 31, 1997Processing site: BNL
Revision 1.0Aug 20, 1997Provider: repository / Type: Initial release
Revision 1.1Mar 24, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Nov 3, 2021Group: Database references / Derived calculations / Other
Category: database_2 / pdbx_database_status ...database_2 / pdbx_database_status / struct_conn / struct_ref_seq_dif
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.process_site / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_ref_seq_dif.details
Revision 1.4Aug 9, 2023Group: Refinement description / Category: pdbx_initial_refinement_model
Revision 1.5Oct 23, 2024Group: Data collection / Derived calculations / Structure summary
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / pdbx_entry_details / pdbx_modification_feature / struct_conn
Item: _pdbx_entry_details.has_protein_modification / _struct_conn.pdbx_leaving_atom_flag

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: GREEN FLUORESCENT PROTEIN


Theoretical massNumber of molelcules
Total (without water)26,9181
Polymers26,9181
Non-polymers00
Water1,09961
1
A: GREEN FLUORESCENT PROTEIN

A: GREEN FLUORESCENT PROTEIN


Theoretical massNumber of molelcules
Total (without water)53,8372
Polymers53,8372
Non-polymers00
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation11_555-x+y,y,-z+1/21
Unit cell
Length a, b, c (Å)88.700, 88.700, 130.100
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number178
Space group name H-MP6122
DetailsTHE BIOLOGICALLY ACTIVE MOLECULE IS A DIMER.

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Components

#1: Protein GREEN FLUORESCENT PROTEIN / GFP


Mass: 26918.361 Da / Num. of mol.: 1 / Mutation: INS(A1[B]), F64L, Y66H, V163A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Aequorea victoria (jellyfish) / Tissue: CIRCUMORAL RING CANAL / Gene: GFP / Organ: PHOTOGENIC ORGAN / Plasmid: PFRED50 / Cellular location (production host): CYTOPLASM / Gene (production host): SG50 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21, OMEGA880 / References: UniProt: P42212
#2: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 61 / Source method: isolated from a natural source / Formula: H2O
Has protein modificationY
Nonpolymer detailsCSH 66: THE CHROMOPHORE IS PART OF THE PEPTIDE CHAIN BETWEEN RESIDUES 64 AND 68.

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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: 2.8 Å3/Da / Density % sol: 57 %
Crystal growMethod: vapor diffusion, hanging drop / pH: 8.5
Details: PROTEIN WAS CRYSTALLIZED BY HANGING DROP METHOD. PROTEIN SOLUTION: 21 MG/ML IN 20 MM TRIS/HCL, PH 8.0 WELL SOLUTION: 1.95 M AS, 100 MM TRIS HCL, PH 8.5 PROTEIN:WELL 1:1, vapor diffusion - hanging drop
PH range: 8.0-8.5
Crystal grow
*PLUS
Temperature: 20 ℃ / Method: vapor diffusion, hanging drop
Details: protein solution is mixed in a 1:1 ratio with well solution
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
121 mg/mlprotein1drop
220 mMTris-HCl1drop
31.95 Mammonium sulfate1reservoir
4100 mMTris-HCl1reservoir

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Data collection

DiffractionMean temperature: 295 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RUH2R / Wavelength: 1.5418
DetectorType: SIEMENS HI-STAR / Detector: AREA DETECTOR / Date: Jul 15, 1996 / Details: MIRROR
RadiationMonochromator: NI / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2.5→20 Å / Num. obs: 11067 / % possible obs: 78.1 % / Observed criterion σ(I): 0 / Redundancy: 6.9 % / Rsym value: 0.091 / Net I/σ(I): 16.7
Reflection shellResolution: 2.5→2.59 Å / Mean I/σ(I) obs: 2 / Rsym value: 0.306 / % possible all: 50.5
Reflection
*PLUS
Rmerge(I) obs: 0.091
Reflection shell
*PLUS
% possible obs: 50 % / Rmerge(I) obs: 0.306

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Processing

Software
NameVersionClassification
X-PLOR3.1model building
X-PLOR3.1refinement
DENZOdata reduction
SCALEPACKdata scaling
X-PLOR3.1phasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1EMA

1ema


Resolution: 2.6→10 Å / Rfactor Rfree error: 0.014 / Data cutoff high absF: 100000 / Data cutoff low absF: 0.1 / Isotropic thermal model: B-FACTORS SET TO 30.0 / σ(F): 2
Details: PARAMETERS FOR THE CHROMOPHORE WERE ESTIMATED ACCORDING TO A MODEL COMPOUND (B.TINANT ET AL., CRYST. STRUCT. COMM., 1980, 9, 671-674). DUE TO LOW QUALITY DATA THE STRUCTURE COULD NOT BE ...Details: PARAMETERS FOR THE CHROMOPHORE WERE ESTIMATED ACCORDING TO A MODEL COMPOUND (B.TINANT ET AL., CRYST. STRUCT. COMM., 1980, 9, 671-674). DUE TO LOW QUALITY DATA THE STRUCTURE COULD NOT BE FULLY REFINED. FOR THE SAME MUTANT, BUT DIFFERENT CRYSTAL FORM SE ENTRY BNL-5139; FOR A VERY SIMILAR MUTANT IN THE SAME SPACE GROUP SEE ENTRY BNL-5144.
RfactorNum. reflection% reflectionSelection details
Rfree0.343 567 7 %RANDOM
Rwork0.203 ---
obs0.203 8107 84.3 %-
Refinement stepCycle: LAST / Resolution: 2.6→10 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1741 0 19 61 1821
LS refinement shellResolution: 2.6→2.72 Å / Rfactor Rfree error: 0.063 / Total num. of bins used: 8
RfactorNum. reflection% reflection
Rfree0.379 36 3 %
Rwork0.211 606 -
obs--50.4 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PARHCSDX.PROTOPHCSDX.PRO
X-RAY DIFFRACTION2PAR_CSH.PROTOP_CSH.PRO
Software
*PLUS
Name: X-PLOR / Version: 3.1 / Classification: refinement
Refinement
*PLUS
Solvent computation
*PLUS
Displacement parameters
*PLUS
LS refinement shell
*PLUS
Rfactor obs: 0.211

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