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- PDB-4em6: The structure of Glucose-6-phosphate isomerase (GPI) from Brucell... -

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Basic information

Entry
Database: PDB / ID: 4em6
TitleThe structure of Glucose-6-phosphate isomerase (GPI) from Brucella melitensis
ComponentsGlucose-6-phosphate isomerase
KeywordsISOMERASE / Glucose-6-phosphate isomerase / GPI / Phosphoglucose isomerase / PGI / Phosphohexose isomerase / PHI / SSGCID / Seattle Structural Genomics Center for Infectious Disease / NIAID / National Institute of Allergy and Infectious Diseases
Function / homology
Function and homology information


glucose-6-phosphate isomerase / glucose-6-phosphate isomerase activity / gluconeogenesis / glycolytic process / cytoplasm
Similarity search - Function
Phosphoglucose isomerase, C-terminal domain / Phosphoglucose isomerase, C-terminal domain - #10 / Phosphoglucose isomerase, C-terminal / Phosphoglucose isomerase signature 1. / Phosphoglucose isomerase (PGI) / Phosphoglucose isomerase, conserved site / Phosphoglucose isomerase, SIS domain 1 / Phosphoglucose isomerase, SIS domain 2 / Phosphoglucose isomerase / Phosphoglucose isomerase signature 2. ...Phosphoglucose isomerase, C-terminal domain / Phosphoglucose isomerase, C-terminal domain - #10 / Phosphoglucose isomerase, C-terminal / Phosphoglucose isomerase signature 1. / Phosphoglucose isomerase (PGI) / Phosphoglucose isomerase, conserved site / Phosphoglucose isomerase, SIS domain 1 / Phosphoglucose isomerase, SIS domain 2 / Phosphoglucose isomerase / Phosphoglucose isomerase signature 2. / Glucose-6-phosphate isomerase family profile. / Glucose-6-phosphate isomerase like protein; domain 1 / Rossmann fold / Orthogonal Bundle / 3-Layer(aba) Sandwich / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
Glucose-6-phosphate isomerase
Similarity search - Component
Biological speciesBrucella melitensis bv. 1 (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 1.9 Å
AuthorsSeattle Structural Genomics Center for Infectious Disease (SSGCID)
CitationJournal: TO BE PUBLISHED
Title: The structure of Glucose-6-phosphate isomerase (GPI) from Brucella melitensis
Authors: Clifton, M.C. / Edwards, T.E. / Seattle Structural Genomics Center for Infectious Disease (SSGCID)
History
DepositionApr 11, 2012Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 2, 2012Provider: repository / Type: Initial release
Revision 1.1Sep 13, 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 / pdbx_struct_conn_angle / struct_conn / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_asym_id / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr2_auth_asym_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
D: Glucose-6-phosphate isomerase
A: Glucose-6-phosphate isomerase
B: Glucose-6-phosphate isomerase
C: Glucose-6-phosphate isomerase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)240,77522
Polymers240,0734
Non-polymers70218
Water46,6052587
1
D: Glucose-6-phosphate isomerase
B: Glucose-6-phosphate isomerase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)120,2638
Polymers120,0372
Non-polymers2276
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area11980 Å2
ΔGint-111 kcal/mol
Surface area34950 Å2
MethodPISA
2
A: Glucose-6-phosphate isomerase
C: Glucose-6-phosphate isomerase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)120,51214
Polymers120,0372
Non-polymers47512
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area12670 Å2
ΔGint-139 kcal/mol
Surface area35080 Å2
MethodPISA
Unit cell
Length a, b, c (Å)71.590, 72.730, 115.250
Angle α, β, γ (deg.)95.420, 91.540, 110.060
Int Tables number1
Space group name H-MP1

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Components

#1: Protein
Glucose-6-phosphate isomerase / GPI / Phosphoglucose isomerase / PGI / Phosphohexose isomerase / PHI


Mass: 60018.328 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Brucella melitensis bv. 1 (bacteria) / Strain: 16M / Gene: pgi, BMEI1636 / Production host: Escherichia coli (E. coli) / References: UniProt: Q8YF86, glucose-6-phosphate isomerase
#2: Chemical
ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 9 / Source method: obtained synthetically / Formula: Cl
#3: Chemical
ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: Ca
#4: Chemical ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C2H6O2
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 2587 / Source method: isolated from a natural source / Formula: H2O

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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: 2.33 Å3/Da / Density % sol: 47.27 %
Crystal growTemperature: 298 K / Method: vapor diffusion, sitting drop / pH: 7
Details: 39.92 mg/ml BrmeA.17127.a PW34214, 0.2M calcium chloride dihydrate, 20% PEG3350. Cryoprotection 20% ethylene glycol, VAPOR DIFFUSION, SITTING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 21-ID-F / Wavelength: 0.97872 Å
DetectorType: MARMOSAIC 225 mm CCD / Detector: CCD / Date: Feb 3, 2012
RadiationMonochromator: Diamond [111] / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97872 Å / Relative weight: 1
ReflectionResolution: 1.9→95.066 Å / Num. obs: 162585 / % possible obs: 95.1 % / Observed criterion σ(I): -3 / Biso Wilson estimate: 16.591 Å2 / Rmerge(I) obs: 0.026 / Net I/σ(I): 27.06
Reflection shell

Diffraction-ID: 1

Resolution (Å)Highest resolution (Å)Rmerge(I) obsMean I/σ(I) obsNum. measured obsNum. unique obs% possible all
1.9-1.950.05913.44239541020380.3
1.95-20.05215.48278981176095.5
2-2.060.04517.48271661144795.4
2.06-2.120.04119.57263101110895.4
2.12-2.190.03621.45256761083495.8
2.19-2.270.03422.81248441048495.9
2.27-2.360.03224.31240931014596
2.36-2.450.0325.6923087974096.3
2.45-2.560.02826.9622100934096.1
2.56-2.690.02728.7821330898096.6
2.69-2.830.02530.7220117850896.6
2.83-30.02332.9519104807496.6
3-3.210.02235.1917985760296.9
3.21-3.470.02138.116926714997.2
3.47-3.80.01940.0915370650496.9
3.8-4.250.01941.0413925589597.1
4.25-4.910.01941.6312343522197
4.91-6.010.01940.5410382440197.4
6.01-8.50.01840.998062341197.9
8.50.01744.444114177992.8

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Phasing

PhasingMethod: molecular replacement

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Processing

Software
NameVersionClassificationNB
XSCALEdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACT3.11data extraction
XDSdata reduction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: pdb entry 2WU8
Resolution: 1.9→95.066 Å / Cor.coef. Fo:Fc: 0.961 / Cor.coef. Fo:Fc free: 0.941 / WRfactor Rfree: 0.1738 / WRfactor Rwork: 0.1353 / Occupancy max: 1 / Occupancy min: 0.5 / FOM work R set: 0.923 / SU B: 4.723 / SU ML: 0.064 / SU R Cruickshank DPI: 0.1282 / SU Rfree: 0.1172 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.128 / ESU R Free: 0.117 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: U VALUES : WITH TLS ADDED HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.1689 8159 5 %RANDOM
Rwork0.1308 ---
obs0.1327 162585 95.07 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso max: 48.68 Å2 / Biso mean: 9.9259 Å2 / Biso min: 2 Å2
Baniso -1Baniso -2Baniso -3
1--0.33 Å20.21 Å20.55 Å2
2--0.25 Å20.95 Å2
3---0.44 Å2
Refinement stepCycle: LAST / Resolution: 1.9→95.066 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms16590 0 21 2587 19198
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0120.02117033
X-RAY DIFFRACTIONr_bond_other_d0.0010.0211316
X-RAY DIFFRACTIONr_angle_refined_deg1.3131.94823180
X-RAY DIFFRACTIONr_angle_other_deg0.919327514
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.67152202
X-RAY DIFFRACTIONr_dihedral_angle_2_deg31.91423.289745
X-RAY DIFFRACTIONr_dihedral_angle_3_deg11.482152675
X-RAY DIFFRACTIONr_dihedral_angle_4_deg19.35915128
X-RAY DIFFRACTIONr_chiral_restr0.0790.22609
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.02119330
X-RAY DIFFRACTIONr_gen_planes_other0.0010.023518
X-RAY DIFFRACTIONr_mcbond_it0.5651.510862
X-RAY DIFFRACTIONr_mcbond_other0.1661.54452
X-RAY DIFFRACTIONr_mcangle_it0.98217345
X-RAY DIFFRACTIONr_scbond_it1.69736171
X-RAY DIFFRACTIONr_scangle_it2.6834.55823
LS refinement shellResolution: 1.9→1.949 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.218 453 -
Rwork0.158 9722 -
all-10175 -
obs--80.3 %
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL112)L122)L132)L222)L232)L332)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T112)T122)T132)T222)T232)T332)Origin x (Å)Origin y (Å)Origin z (Å)
10.28460.0264-0.0830.3279-0.1780.7748-0.00990.0597-0.0491-0.04460.05390.07460.1033-0.0749-0.0440.0245-0.028-0.01850.04890.01040.0523-75.544.89180.18
20.5516-0.0431-0.2290.07720.05540.53990.0081-0.05610.060.0170.00550.0028-0.04640.009-0.01360.037-0.00010.0090.0263-0.00020.0356-58.34721.862106.397
30.53620.16940.16770.34870.01860.43080.0143-0.0467-0.02810.03160.00350.00360.0106-0.0072-0.01780.02390.00030.01060.02640.00760.0172-60.912.353105.952
40.24580.0121-0.0560.1618-0.07240.259-0.00180.03190.0163-0.01740.01830.00840.0071-0.0386-0.01640.0199-0.0026-0.00710.03170.00320.0205-63.64317.71277.26
51.70361.4525-0.24363.21941.60581.89530.0425-0.1803-0.14240.28220.0445-0.27920.22890.2001-0.08710.05450.0378-0.02540.06250.01840.0935-28.115.21690.033
63.58430.2322-1.2731.1744-1.13123.360.00750.02790.12360.0351-0.0695-0.1323-0.06630.16880.0620.00830-0.02220.05910.00050.07335.526345.4858151.1099
70.2540.03590.11730.18040.00570.2993-0.01280.00590.0328-0.0268-0.00230.0204-0.0253-0.01640.01510.02290.0074-0.00010.01770.00350.0404-25.23153.1739130.9037
812.96840.7668-2.93880.0569-0.33096.66780.0714-0.03230.8557-0.0058-0.01610.0594-0.5379-0.2209-0.05540.13630.0495-0.02750.0299-0.01410.1263-32.465362.7104137.1371
90.2909-0.005-0.04510.2881-0.07270.2821-0.0046-0.04570.00170.0229-0.0083-0.009100.00860.01290.01110.0015-0.00750.0318-0.0010.0252-17.175742.9958149.1479
102.18790.8279-0.18182.4501-0.870.7263-0.06820.2884-0.0048-0.29480.03460.07170.0753-0.00710.03360.08660.0150.0060.096-0.020.0279-18.440323.2774114.1067
110.3433-0.16120.08450.7827-0.2420.38550.0120.0748-0.0359-0.1406-0.03090.00250.0760.050.01890.0390.0090.01840.0416-0.0010.0287-35.245212.54166.3529
120.6541-0.0761-0.01610.42510.12450.26180.00380.0040.08840.00310.0056-0.0222-0.06940.0106-0.00940.0364-0.00430.00130.01520.00590.0329-46.741443.191884.8519
130.19070.0148-0.01920.3935-0.11370.32140.00110.00390.0085-0.0232-0.0037-0.02190.01930.01660.00260.01770.00640.00460.03010.00250.0283-42.061816.277578.8621
142.80741.6505-0.79314.8446-1.85222.2851-0.0188-0.0761-0.26780.06730.020.05390.1316-0.1541-0.00110.05640.0082-0.00230.02970.0080.066-49.7198-14.99690.3934
150.19090.0198-0.03930.139-0.09110.1759-0.00380.02690.0226-0.0220.01930.022-0.0058-0.0325-0.01550.02250.0059-0.00430.03080.00510.0184-54.229922.757874.8864
163.47840.0649-0.39821.4155-1.64235.0509-0.0469-0.3388-0.2663-0.0003-0.0005-0.07730.17450.23330.04740.04510.0497-0.00830.07940.01010.08130.173513.3253141.8909
170.414-0.0402-0.13760.11030.02620.2073-0.0303-0.0187-0.08690.0054-0.00190.02370.0547-0.02160.03210.0343-0.00370.00820.01160.00390.0423-29.414115.5302140.8131
180.6755-0.1566-0.22230.48340.11180.2035-0.0246-0.01620.00040.00530.01630.03020.0169-0.03130.00820.0167-0.005-0.00670.04580.01010.0211-45.365630.1491151.8189
193.0886-1.89930.15932.1305-0.07680.4614-0.03250.046-0.2803-0.03550.02090.1340.0887-0.03330.01160.0443-0.01960.01790.0237-0.00730.0378-33.549811.7889137.2356
200.2476-0.0037-0.02030.26570.0660.2182-0.0083-0.0179-0.0027-0.0108-0.0049-0.01350.00110.01590.01320.01120.00610.00150.01890.00230.0239-17.914629.9186138.0194
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A3 - 119
2X-RAY DIFFRACTION2A120 - 196
3X-RAY DIFFRACTION3A197 - 309
4X-RAY DIFFRACTION4A310 - 522
5X-RAY DIFFRACTION5A523 - 548
6X-RAY DIFFRACTION6B3 - 25
7X-RAY DIFFRACTION7B26 - 285
8X-RAY DIFFRACTION8B286 - 290
9X-RAY DIFFRACTION9B291 - 512
10X-RAY DIFFRACTION10B513 - 548
11X-RAY DIFFRACTION11C7 - 96
12X-RAY DIFFRACTION12C97 - 288
13X-RAY DIFFRACTION13C289 - 431
14X-RAY DIFFRACTION14C432 - 455
15X-RAY DIFFRACTION15C456 - 548
16X-RAY DIFFRACTION16D3 - 25
17X-RAY DIFFRACTION17D26 - 172
18X-RAY DIFFRACTION18D173 - 278
19X-RAY DIFFRACTION19D279 - 309
20X-RAY DIFFRACTION20D310 - 548

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