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- PDB-4q2b: The crystal structure of an endo-1,4-D-glucanase from Pseudomonas... -

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Basic information

Entry
Database: PDB / ID: 4q2b
TitleThe crystal structure of an endo-1,4-D-glucanase from Pseudomonas putida KT2440
ComponentsEndo-1,4-beta-D-glucanaseCellulase
KeywordsHYDROLASE / structural genomics / PSI-Biology / protein structure initiative / midwest center for structural genomics / MCSG
Function / homology
Function and homology information


Hydrolases; Glycosylases; Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds / cellulase activity / polysaccharide catabolic process
Similarity search - Function
Glycoside hydrolase, family 8, conserved site / Glycosyl hydrolases family 8 signature. / Glycoside hydrolase, family 8 / Glycosyl hydrolases family 8 / Glycosyltransferase - #10 / Six-hairpin glycosidase-like superfamily / Six-hairpin glycosidase superfamily / Glycosyltransferase / Alpha/alpha barrel / Mainly Alpha
Similarity search - Domain/homology
FORMIC ACID / IMIDAZOLE / MALONIC ACID / Glucanase
Similarity search - Component
Biological speciesPseudomonas putida (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / SAD / Resolution: 2.12 Å
AuthorsTan, K. / Joachimiak, G. / Endres, M. / Joachimiak, A. / Midwest Center for Structural Genomics (MCSG)
CitationJournal: To be Published
Title: The crystal structure of an endo-1,4-D-glucanase from Pseudomonas putida KT2440
Authors: Tan, K. / Joachimiak, G. / Endres, M. / Joachimiak, A.
History
DepositionApr 7, 2014Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jun 25, 2014Provider: repository / Type: Initial release
Revision 1.1Apr 29, 2015Group: Non-polymer description

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Endo-1,4-beta-D-glucanase
B: Endo-1,4-beta-D-glucanase
C: Endo-1,4-beta-D-glucanase
D: Endo-1,4-beta-D-glucanase
E: Endo-1,4-beta-D-glucanase
F: Endo-1,4-beta-D-glucanase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)235,38931
Polymers233,3656
Non-polymers2,02525
Water16,214900
1
A: Endo-1,4-beta-D-glucanase
B: Endo-1,4-beta-D-glucanase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)78,33310
Polymers77,7882
Non-polymers5448
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area3090 Å2
ΔGint-28 kcal/mol
Surface area25720 Å2
MethodPISA
2
C: Endo-1,4-beta-D-glucanase
D: Endo-1,4-beta-D-glucanase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)78,83215
Polymers77,7882
Non-polymers1,04413
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4430 Å2
ΔGint-50 kcal/mol
Surface area25740 Å2
MethodPISA
3
E: Endo-1,4-beta-D-glucanase
F: Endo-1,4-beta-D-glucanase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)78,2256
Polymers77,7882
Non-polymers4364
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area2700 Å2
ΔGint-24 kcal/mol
Surface area25920 Å2
MethodPISA
Unit cell
Length a, b, c (Å)126.938, 129.189, 165.115
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121
DetailsIt is predicted that the chains A and B, C and D, and E and F form dimers respectively.

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Components

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Protein , 1 types, 6 molecules ABCDEF

#1: Protein
Endo-1,4-beta-D-glucanase / Cellulase


Mass: 38894.129 Da / Num. of mol.: 6 / Fragment: UNP residues 25-370
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Pseudomonas putida (bacteria) / Strain: KT2440 / Gene: PP_2637 / Plasmid: pMCSG68 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3)pGrow7-K / References: UniProt: Q88JL2

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Non-polymers , 7 types, 925 molecules

#2: Chemical
ChemComp-SO4 / SULFATE ION / Sulfate


Mass: 96.063 Da / Num. of mol.: 7 / Source method: obtained synthetically / Formula: SO4
#3: Chemical
ChemComp-TRS / 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL / TRIS BUFFER / Tris


Mass: 122.143 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C4H12NO3 / Comment: pH buffer*YM
#4: Chemical
ChemComp-FMT / FORMIC ACID / Formic acid


Mass: 46.025 Da / Num. of mol.: 9 / Source method: obtained synthetically / Formula: CH2O2
#5: Chemical ChemComp-MLA / MALONIC ACID / DICARBOXYLIC ACID C3 / PROPANEDIOLIC ACID / METHANEDICARBOXYLIC ACID / Malonic acid


Mass: 104.061 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C3H4O4
#6: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL / Glycerol


Mass: 92.094 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C3H8O3
#7: Chemical ChemComp-IMD / IMIDAZOLE / Imidazole


Mass: 69.085 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C3H5N2
#8: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 900 / 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: 2.9 Å3/Da / Density % sol: 57.6 %
Crystal growTemperature: 289 K / Method: vapor diffusion, sitting drop / pH: 7
Details: 0.09M malonic acid, 0.0125M ammonium citratic tribasic, 0.006M succinic acid, 0.015M DL-malic acid, 0.01M sodium acetate, 0.025M sodium formate, 0.008M ammonium tartrate, 0.1M HEPES:NaOH, ...Details: 0.09M malonic acid, 0.0125M ammonium citratic tribasic, 0.006M succinic acid, 0.015M DL-malic acid, 0.01M sodium acetate, 0.025M sodium formate, 0.008M ammonium tartrate, 0.1M HEPES:NaOH, 10% (w/v) PEG MME 5000, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 289K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 19-ID / Wavelength: 0.97938 Å
DetectorType: ADSC QUANTUM 315r / Detector: CCD / Date: Oct 9, 2013 / Details: mirror
RadiationMonochromator: Si 111 crystal / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97938 Å / Relative weight: 1
ReflectionResolution: 2.12→41 Å / Num. all: 153814 / Num. obs: 153814 / % possible obs: 99.9 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -5 / Redundancy: 6 % / Biso Wilson estimate: 35.14 Å2 / Rmerge(I) obs: 0.081 / Net I/σ(I): 29.9
Reflection shellResolution: 2.12→2.16 Å / Redundancy: 5.9 % / Rmerge(I) obs: 0.685 / Mean I/σ(I) obs: 2.64 / Num. unique all: 7594 / % possible all: 100

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Processing

Software
NameVersionClassification
SBC-Collectdata collection
SHELXDphasing
MLPHAREphasing
DMmodel building
ARPmodel building
WARPmodel building
HKL-3000phasing
PHENIX(phenix.refine: 1.8.2_1309)refinement
HKL-3000data reduction
HKL-3000data scaling
DMphasing
RefinementMethod to determine structure: SAD / Resolution: 2.12→40.78 Å / SU ML: 0.21 / σ(F): 1.33 / Phase error: 21.81 / Stereochemistry target values: ML
RfactorNum. reflection% reflectionSelection details
Rfree0.1981 7692 5.02 %random
Rwork0.163 ---
obs0.1648 153197 99.48 %-
all-153197 --
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 2.12→40.78 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms16085 0 124 900 17109
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.00716741
X-RAY DIFFRACTIONf_angle_d1.05322867
X-RAY DIFFRACTIONf_dihedral_angle_d14.3385913
X-RAY DIFFRACTIONf_chiral_restr0.072367
X-RAY DIFFRACTIONf_plane_restr0.0053004
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.12-2.14340.27972310.23744697X-RAY DIFFRACTION97
2.1434-2.16860.27342700.22164812X-RAY DIFFRACTION100
2.1686-2.1950.24662500.21144833X-RAY DIFFRACTION100
2.195-2.22280.26892340.21164837X-RAY DIFFRACTION100
2.2228-2.25210.27342570.20614791X-RAY DIFFRACTION100
2.2521-2.28290.2592470.20534844X-RAY DIFFRACTION100
2.2829-2.31550.25862630.20234830X-RAY DIFFRACTION100
2.3155-2.35010.25152580.20024812X-RAY DIFFRACTION100
2.3501-2.38680.26162400.19624845X-RAY DIFFRACTION100
2.3868-2.42590.23182500.18754787X-RAY DIFFRACTION100
2.4259-2.46780.24212660.18234799X-RAY DIFFRACTION100
2.4678-2.51260.24182360.18344863X-RAY DIFFRACTION100
2.5126-2.5610.24972630.17584807X-RAY DIFFRACTION99
2.561-2.61320.20092410.17584859X-RAY DIFFRACTION99
2.6132-2.670.232740.18124801X-RAY DIFFRACTION100
2.67-2.73210.25722490.18284811X-RAY DIFFRACTION99
2.7321-2.80040.21492750.17914803X-RAY DIFFRACTION99
2.8004-2.87610.24562620.18244877X-RAY DIFFRACTION100
2.8761-2.96070.22162430.18144818X-RAY DIFFRACTION99
2.9607-3.05630.22810.18014804X-RAY DIFFRACTION99
3.0563-3.16550.24892700.18734857X-RAY DIFFRACTION100
3.1655-3.29220.22762590.1784847X-RAY DIFFRACTION100
3.2922-3.44190.21792520.16994873X-RAY DIFFRACTION100
3.4419-3.62330.19162520.15874887X-RAY DIFFRACTION100
3.6233-3.85010.16452720.14654869X-RAY DIFFRACTION100
3.8501-4.14710.1622590.13964893X-RAY DIFFRACTION100
4.1471-4.5640.14542440.12054922X-RAY DIFFRACTION100
4.564-5.22320.15492580.12634968X-RAY DIFFRACTION100
5.2232-6.57630.17682700.14914994X-RAY DIFFRACTION100
6.5763-40.78780.15912660.15475065X-RAY DIFFRACTION97
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)
13.9529-5.33770.46427.68250.48524.52180.20790.34670.1339-0.7379-0.24-0.0256-0.29540.0318-0.03790.48280.0129-0.02610.22610.00030.252871.571316.853910.427
23.8996-0.8427-0.30433.91960.83842.4160.09630.2804-0.2327-0.4695-0.15890.07270.1627-0.05380.08550.31070.003-0.03280.1773-0.02010.171370.49449.985920.9297
31.77170.281-0.29863.55470.18421.92440.0504-0.0781-0.04430.09920.0006-0.36980.18270.2386-0.05030.19440.0312-0.01770.1908-0.0220.206678.588917.694236.9292
43.40112.25120.42022.1948-1.08466.28210.05950.27120.1317-0.26690.0736-0.2355-0.1549-0.0158-0.15280.20480.0028-0.01230.101-0.02660.234676.966129.04429.3909
56.4040.5194-2.67924.7928-3.944.10410.1205-0.18150.4992-0.1841-0.0578-0.4028-0.27080.3434-0.01250.2974-0.04860.02690.1958-0.0460.307777.239139.650630.6358
66.5607-1.26912.51827.2838-1.88228.36780.05511.07280.6731-0.2344-0.3709-1.1971-0.48251.36950.20020.3335-0.06640.15980.4080.03120.496187.391236.563923.0699
75.1634-0.8927-1.38756.31940.73653.6140.23510.48740.2781-0.7036-0.2372-0.2767-0.2622-0.22840.01690.36090.06740.03030.23050.04910.274571.466739.69120.3426
84.6692-0.92051.29334.69440.93152.55830.18990.32550.2737-0.7229-0.26640.1559-0.3597-0.15930.04860.30160.0334-0.06870.1684-0.02580.284665.326326.991721.3826
96.05136.25931.02567.12910.71283.5660.2403-0.375-0.21390.748-0.254-0.25080.34770.0953-0.00970.53490.0583-0.00460.2715-0.01930.234674.6601-3.034671.8926
105.56211.7923-0.0243.7915-0.08892.66260.0595-0.3050.16130.3459-0.1739-0.0902-0.24470.03880.1330.39450.0526-0.01450.1756-0.01220.167372.97334.327261.609
116.0111-1.15-2.21384.17880.88693.7131-0.1174-0.19750.0281-0.27210.0944-0.358-0.15680.2644-0.00570.33040.00050.00280.16040.00890.221377.98563.940645.7764
125.3218-1.98621.12642.9888-1.12651.5331-0.01520.0283-0.0046-0.3714-0.057-0.02440.16940.03920.05450.4211-0.01410.04230.1967-0.02390.28775.5138-6.454844.211
134.0338-0.079-1.20744.32620.44522.2156-0.2756-0.1842-0.32210.0130.2467-0.53980.51190.23520.0230.4490.06080.0640.2397-0.0210.342883.2388-16.461449.4889
143.66250.5692-3.04984.8328-0.10174.6927-0.4784-0.8359-0.48830.66860.1647-0.19851.39180.8320.17840.80610.18530.03350.34380.05290.393881.171-24.216260.1344
159.25432.2699-0.9488.4036-0.99453.7733-0.2112-0.653-0.49561.08190.0608-0.53110.60020.10470.10170.55050.0863-0.00320.2768-0.00450.290176.1251-13.566267.0733
164.4359-0.095-3.03387.1186-0.42682.17-0.1312-0.08950.17140.2721-0.0130.24190.0774-0.71130.23120.4159-0.09370.0160.2887-0.0630.297761.5097-12.688756.232
173.5075-1.3076-0.17823.8761-0.99862.7393-0.0541-0.3090.14820.4379-0.01050.0989-0.2647-0.20510.06930.1715-0.02650.02820.2809-0.0450.190754.0303-26.863227.8109
181.26450.030.23570.87950.03270.9781-0.069-0.0220.0745-0.00420.0137-0.0752-0.0615-0.02570.06370.13-0.00090.01370.1956-0.02270.216468.6466-22.071114.712
194.46951.33671.17726.87453.84714.2965-0.22840.55560.4284-0.73290.14670.1544-0.2083-0.09510.08020.3215-0.1051-0.03070.41830.07250.264341.2004-17.1555-28.157
203.8310.516-0.11093.91350.35832.7177-0.17520.38790.1217-0.36430.1042-0.2914-0.29240.16790.07470.1725-0.04630.01290.3278-0.00380.179347.7126-20.5209-17.8245
213.4438-0.01170.11691.4294-0.14812.0237-0.1131-0.236-0.13740.05470.0678-0.1988-0.03380.10820.08970.1402-0.0003-0.02340.2705-0.00890.240849.7419-23.8138-4.0094
223.0206-0.19810.10531.2093-0.36111.1177-0.113-0.3610.50030.21010.0644-0.076-0.2594-0.02170.04020.2004-0.0051-0.03520.291-0.10730.294136.908-14.1570.2627
233.7660.40370.01352.85460.10712.3332-0.16350.16950.8444-0.35660.299-0.1311-0.39440.26150.00450.2176-0.0249-0.01170.2776-0.03690.429430.3991-10.4909-9.7383
246.2002-4.57883.32494.0603-3.42465.2448-0.3022-0.5448-0.0010.00720.41780.7563-0.1582-0.623-0.08890.1914-0.0257-0.02740.3235-0.06760.390119.7027-19.0037-6.496
254.64540.63042.67879.11653.53968.2695-0.7351-0.20681.0589-0.7170.12710.4502-1.446-0.12240.47590.38560.0107-0.07160.2448-0.03680.646421.2262-4.0268-12.6122
265.62332.2186-1.43085.6267-1.77321.6467-0.21740.31470.3774-0.58430.21980.43530.0753-0.07990.03790.2526-0.039-0.12740.27590.00520.315118.169-18.8304-19.1239
277.21310.66090.33294.75193.03171.9372-0.48491.09351.1782-0.88070.54070.318-0.3014-0.0955-0.08170.3207-0.0877-0.11510.47260.09690.429530.261-17.2779-24.0949
287.27541.4714-1.85414.2772.0266.6868-0.32610.2538-0.4930.06550.2247-0.10980.32140.39810.07970.1331-0.04850.03040.2883-0.0690.282531.7-32.9333-15.1953
294.16771.19971.17335.0148-0.10534.4791-0.0020.004-0.41780.3894-0.0558-0.5160.20010.17180.07860.35560.0605-0.00680.28930.03330.3888125.2108-28.228249.9569
301.7627-0.35740.17723.5081-0.01942.0131-0.057-0.35360.04241.027-0.07630.2351-0.0996-0.05130.10140.6535-0.02810.05350.3831-0.02360.3492116.9403-12.464457.9882
319.75940.2697-1.68453.4281-0.79723.12150.15880.80610.4473-0.35860.0794-0.3197-0.79290.0244-0.29120.5728-0.01630.06850.3652-0.02010.355131.421617.86318.7544
326.8474-0.0579-3.26774.86520.15134.80320.2378-0.28880.2130.0904-0.141-0.2211-0.83110.3638-0.14440.4536-0.0878-0.03730.3727-0.0450.3325132.089711.299729.266
338.5232-0.72120.34165.25312.32038.17420.2931-0.23081.3728-0.0353-0.1461.4675-1.4857-0.8189-0.10870.6270.12780.14090.4421-0.07980.6703116.571817.346127.9909
345.1915-0.6072-2.02663.5687-2.57834.3412-0.1499-0.3734-0.00570.1175-0.1101-0.4392-0.17240.53210.21860.3068-0.0493-0.02480.3529-0.04750.2587133.24040.285932.6261
355.824-3.3163-2.08255.837-3.14415.65930.2260.3041-0.04950.3255-0.33110.89930.1763-0.40960.12380.367-0.1040.0250.4349-0.1160.4524115.8949-8.01127.0284
363.086-0.38940.87734.229-1.30987.4613-0.22670.0633-0.377-0.1572-0.0632-0.27820.53890.16820.28180.29290.00260.07270.2918-0.0550.3782128.6051-9.528523.9317
374.33971.98020.02792.7849-0.32433.6292-0.05410.4892-0.5395-0.332-0.150.17680.1875-0.41380.20110.4008-0.02380.01010.4199-0.18020.3961122.2643-7.040614.1824
385.7129-0.98570.02889.0796-4.23193.72950.0231.1888-0.7438-1.110.06770.24540.81140.078-0.06370.5959-0.08240.12840.6232-0.23090.4246130.9063-9.16363.8887
399.44855.4434-2.53784.7425-4.16275.6647-0.90952.1375-0.0409-1.35511.06150.62620.56-1.6354-0.15280.6703-0.1124-0.06280.9305-0.15610.4922120.0884-1.72771.7578
407.9809-1.7354-0.40139.2221.58124.1567-0.29780.6204-0.4684-0.8630.1379-0.39230.2643-0.21150.17420.5617-0.04320.16740.6521-0.06320.3771136.22351.07121.4826
416.9714-2.3272-0.03634.54931.47523.00150.13830.5707-0.2914-0.3733-0.1353-0.1613-0.39940.44460.02710.4243-0.07070.15470.4955-0.0440.4004138.57165.393814.3952
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1chain 'A' and (resid 24 through 53 )
2X-RAY DIFFRACTION2chain 'A' and (resid 54 through 134 )
3X-RAY DIFFRACTION3chain 'A' and (resid 135 through 234 )
4X-RAY DIFFRACTION4chain 'A' and (resid 235 through 260 )
5X-RAY DIFFRACTION5chain 'A' and (resid 261 through 278 )
6X-RAY DIFFRACTION6chain 'A' and (resid 279 through 297 )
7X-RAY DIFFRACTION7chain 'A' and (resid 298 through 327 )
8X-RAY DIFFRACTION8chain 'A' and (resid 328 through 365 )
9X-RAY DIFFRACTION9chain 'B' and (resid 23 through 53 )
10X-RAY DIFFRACTION10chain 'B' and (resid 54 through 134 )
11X-RAY DIFFRACTION11chain 'B' and (resid 135 through 175 )
12X-RAY DIFFRACTION12chain 'B' and (resid 176 through 211 )
13X-RAY DIFFRACTION13chain 'B' and (resid 212 through 278 )
14X-RAY DIFFRACTION14chain 'B' and (resid 279 through 327 )
15X-RAY DIFFRACTION15chain 'B' and (resid 328 through 348 )
16X-RAY DIFFRACTION16chain 'B' and (resid 349 through 366 )
17X-RAY DIFFRACTION17chain 'C' and (resid 23 through 114 )
18X-RAY DIFFRACTION18chain 'C' and (resid 115 through 365 )
19X-RAY DIFFRACTION19chain 'D' and (resid 23 through 53 )
20X-RAY DIFFRACTION20chain 'D' and (resid 54 through 134 )
21X-RAY DIFFRACTION21chain 'D' and (resid 135 through 156 )
22X-RAY DIFFRACTION22chain 'D' and (resid 157 through 232 )
23X-RAY DIFFRACTION23chain 'D' and (resid 233 through 253 )
24X-RAY DIFFRACTION24chain 'D' and (resid 254 through 278 )
25X-RAY DIFFRACTION25chain 'D' and (resid 279 through 297 )
26X-RAY DIFFRACTION26chain 'D' and (resid 298 through 327 )
27X-RAY DIFFRACTION27chain 'D' and (resid 328 through 348 )
28X-RAY DIFFRACTION28chain 'D' and (resid 349 through 366 )
29X-RAY DIFFRACTION29chain 'E' and (resid 24 through 134 )
30X-RAY DIFFRACTION30chain 'E' and (resid 135 through 365 )
31X-RAY DIFFRACTION31chain 'F' and (resid 23 through 53 )
32X-RAY DIFFRACTION32chain 'F' and (resid 54 through 96 )
33X-RAY DIFFRACTION33chain 'F' and (resid 97 through 114 )
34X-RAY DIFFRACTION34chain 'F' and (resid 115 through 156 )
35X-RAY DIFFRACTION35chain 'F' and (resid 157 through 175 )
36X-RAY DIFFRACTION36chain 'F' and (resid 176 through 212 )
37X-RAY DIFFRACTION37chain 'F' and (resid 213 through 260 )
38X-RAY DIFFRACTION38chain 'F' and (resid 261 through 278 )
39X-RAY DIFFRACTION39chain 'F' and (resid 279 through 297 )
40X-RAY DIFFRACTION40chain 'F' and (resid 298 through 327 )
41X-RAY DIFFRACTION41chain 'F' and (resid 328 through 365 )

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