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- PDB-4q31: The crystal structure of cystathione gamma lyase (CalE6) from Mic... -

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Basic information

Entry
Database: PDB / ID: 4q31
TitleThe crystal structure of cystathione gamma lyase (CalE6) from Micromonospora echinospora
Componentscystathione gamma lyase CalE6
KeywordsLYASE / structural genomics / PSI-Biology / protein structure initiative / midwest center for structural genomics / MCSG / Enzyme Discovery for Natural Product Biosynthesis / NatPro
Function / homology
Function and homology information


carbon-sulfur lyase activity / transsulfuration / pyridoxal phosphate binding
Similarity search - Function
Cys/Met metabolism, pyridoxal phosphate-dependent enzyme / Cys/Met metabolism PLP-dependent enzyme / Aspartate Aminotransferase, domain 1 / Aspartate Aminotransferase, domain 1 / Aspartate Aminotransferase; domain 2 / Type I PLP-dependent aspartate aminotransferase-like (Major domain) / Pyridoxal phosphate-dependent transferase, small domain / Pyridoxal phosphate-dependent transferase, major domain / Pyridoxal phosphate-dependent transferase / Alpha-Beta Complex ...Cys/Met metabolism, pyridoxal phosphate-dependent enzyme / Cys/Met metabolism PLP-dependent enzyme / Aspartate Aminotransferase, domain 1 / Aspartate Aminotransferase, domain 1 / Aspartate Aminotransferase; domain 2 / Type I PLP-dependent aspartate aminotransferase-like (Major domain) / Pyridoxal phosphate-dependent transferase, small domain / Pyridoxal phosphate-dependent transferase, major domain / Pyridoxal phosphate-dependent transferase / Alpha-Beta Complex / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
Biological speciesMicromonospora echinospora (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / SAD / Resolution: 2.099 Å
AuthorsTan, K. / Bigelow, L. / Jedrzejczak, R. / Babnigg, G. / Bingman, C.A. / Yennamalli, R.M. / Singh, S. / Kharel, M.K. / Thorson, J.S. / Phillips Jr., G.N. ...Tan, K. / Bigelow, L. / Jedrzejczak, R. / Babnigg, G. / Bingman, C.A. / Yennamalli, R.M. / Singh, S. / Kharel, M.K. / Thorson, J.S. / Phillips Jr., G.N. / Joachimiak, A. / Midwest Center for Structural Genomics (MCSG) / Enzyme Discovery for Natural Product Biosynthesis (NatPro)
CitationJournal: Struct Dyn / Year: 2016
Title: Structural dynamics of a methionine gamma-lyase for calicheamicin biosynthesis: Rotation of the conserved tyrosine stacking with pyridoxal phosphate.
Authors: Cao, H. / Tan, K. / Wang, F. / Bigelow, L. / Yennamalli, R.M. / Jedrzejczak, R. / Babnigg, G. / Bingman, C.A. / Joachimiak, A. / Kharel, M.K. / Singh, S. / Thorson, J.S. / Phillips, G.N.
History
DepositionApr 10, 2014Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 7, 2014Provider: repository / Type: Initial release
Revision 1.1Mar 8, 2017Group: Database references

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: cystathione gamma lyase CalE6
B: cystathione gamma lyase CalE6
C: cystathione gamma lyase CalE6
D: cystathione gamma lyase CalE6
E: cystathione gamma lyase CalE6
F: cystathione gamma lyase CalE6
G: cystathione gamma lyase CalE6
H: cystathione gamma lyase CalE6
hetero molecules


Theoretical massNumber of molelcules
Total (without water)335,29261
Polymers330,4968
Non-polymers4,79653
Water32,8411823
1
A: cystathione gamma lyase CalE6
B: cystathione gamma lyase CalE6
C: cystathione gamma lyase CalE6
D: cystathione gamma lyase CalE6
hetero molecules


Theoretical massNumber of molelcules
Total (without water)167,75132
Polymers165,2484
Non-polymers2,50328
Water724
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area24830 Å2
ΔGint-113 kcal/mol
Surface area45650 Å2
MethodPISA
2
E: cystathione gamma lyase CalE6
F: cystathione gamma lyase CalE6
G: cystathione gamma lyase CalE6
H: cystathione gamma lyase CalE6
hetero molecules


Theoretical massNumber of molelcules
Total (without water)167,54229
Polymers165,2484
Non-polymers2,29425
Water724
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area24180 Å2
ΔGint-113 kcal/mol
Surface area45550 Å2
MethodPISA
Unit cell
Length a, b, c (Å)146.855, 146.981, 349.905
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number23
Space group name H-MI222
DetailsIt is predicted that the chains A,B,C and D, and chians E,F,G and H form tetramers respectively.

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Components

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Protein , 1 types, 8 molecules ABCDEFGH

#1: Protein
cystathione gamma lyase CalE6


Mass: 41312.000 Da / Num. of mol.: 8 / Mutation: D7G
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Micromonospora echinospora (bacteria) / Gene: calE6 / Plasmid: pMCSG68 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3)magic / References: UniProt: Q8KNG3

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Non-polymers , 5 types, 1876 molecules

#2: Chemical
ChemComp-MES / 2-(N-MORPHOLINO)-ETHANESULFONIC ACID / MES (buffer)


Mass: 195.237 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: C6H13NO4S / Comment: pH buffer*YM
#3: Chemical
ChemComp-CL / CHLORIDE ION / Chloride


Mass: 35.453 Da / Num. of mol.: 12 / Source method: obtained synthetically / Formula: Cl
#4: Chemical...
ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL / Glycerol


Mass: 92.094 Da / Num. of mol.: 28 / Source method: obtained synthetically / Formula: C3H8O3
#5: Chemical
ChemComp-FMT / FORMIC ACID / Formic acid


Mass: 46.025 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: CH2O2
#6: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 1823 / 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: 2.86 Å3/Da / Density % sol: 56.94 %
Crystal growTemperature: 289 K / Method: vapor diffusion, sitting drop / pH: 6.5
Details: 0.1M MES, 12%(w/v)20,000, pH 6.5, 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: 0.97915 Å
DetectorType: ADSC QUANTUM 315r / Detector: CCD / Date: Jul 13, 2013 / Details: mirror
RadiationMonochromator: Si 111 crystal / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97915 Å / Relative weight: 1
ReflectionResolution: 2.099→34 Å / Num. all: 219087 / Num. obs: 219087 / % possible obs: 100 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -5 / Redundancy: 7.4 % / Biso Wilson estimate: 22.064 Å2 / Rmerge(I) obs: 0.14 / Net I/σ(I): 16.6
Reflection shellResolution: 2.1→2.14 Å / Redundancy: 7.3 % / Rmerge(I) obs: 0.72 / Mean I/σ(I) obs: 2.9 / Num. unique all: 10831 / % 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: 2.099→33.97 Å / SU ML: 0.19 / σ(F): 1.34 / Phase error: 18.26 / Stereochemistry target values: ML
RfactorNum. reflection% reflectionSelection details
Rfree0.1905 10999 5.02 %random
Rwork0.1516 ---
all0.1535 219047 --
obs0.1535 219047 99.93 %-
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Refinement stepCycle: LAST / Resolution: 2.099→33.97 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms22588 0 290 1823 24701
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.00723311
X-RAY DIFFRACTIONf_angle_d1.07431756
X-RAY DIFFRACTIONf_dihedral_angle_d13.9218437
X-RAY DIFFRACTIONf_chiral_restr0.0683662
X-RAY DIFFRACTIONf_plane_restr0.0054156
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.0993-2.12320.26224050.19516773X-RAY DIFFRACTION99
2.1232-2.14820.24813500.19526817X-RAY DIFFRACTION100
2.1482-2.17440.23723850.1856872X-RAY DIFFRACTION100
2.1744-2.20190.22563360.17776966X-RAY DIFFRACTION100
2.2019-2.23080.23513620.17736854X-RAY DIFFRACTION100
2.2308-2.26140.24123340.17866967X-RAY DIFFRACTION100
2.2614-2.29370.21873870.17416851X-RAY DIFFRACTION100
2.2937-2.32790.20783790.16586856X-RAY DIFFRACTION100
2.3279-2.36430.22013830.15996944X-RAY DIFFRACTION100
2.3643-2.4030.22193650.16366855X-RAY DIFFRACTION100
2.403-2.44450.21483950.16076880X-RAY DIFFRACTION100
2.4445-2.48890.20414000.16056863X-RAY DIFFRACTION100
2.4889-2.53680.21253630.15856925X-RAY DIFFRACTION100
2.5368-2.58850.18913370.14876857X-RAY DIFFRACTION100
2.5885-2.64480.213480.14766981X-RAY DIFFRACTION100
2.6448-2.70630.20643840.15496857X-RAY DIFFRACTION100
2.7063-2.77390.21893560.15256963X-RAY DIFFRACTION100
2.7739-2.84890.20543620.15396888X-RAY DIFFRACTION100
2.8489-2.93270.20093530.16156972X-RAY DIFFRACTION100
2.9327-3.02730.19563520.15696941X-RAY DIFFRACTION100
3.0273-3.13540.19543530.15876969X-RAY DIFFRACTION100
3.1354-3.26090.19653740.15436919X-RAY DIFFRACTION100
3.2609-3.40910.19033160.15866980X-RAY DIFFRACTION100
3.4091-3.58870.19093890.15296963X-RAY DIFFRACTION100
3.5887-3.81330.17433540.14556947X-RAY DIFFRACTION100
3.8133-4.10720.1473750.12917002X-RAY DIFFRACTION100
4.1072-4.51970.15463980.11916997X-RAY DIFFRACTION100
4.5197-5.17170.14393660.12357022X-RAY DIFFRACTION100
5.1717-6.50830.18523520.1547107X-RAY DIFFRACTION100
6.5083-33.97430.16733860.14547260X-RAY DIFFRACTION99
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)
11.0681-0.2016-0.44515.3739-0.62750.9173-0.0034-0.05380.04850.14550.0084-0.5558-0.06680.3543-0.00690.1181-0.0287-0.01460.2828-0.03010.223350.872645.002150.9729
20.93010.17930.32223.8572-0.10411.7444-0.03150.0231-0.11840.03850.0825-0.3810.16680.4368-0.11290.1599-0.00440.00420.2996-0.02270.209450.175140.525459.19
32.67730.36920.51092.34330.96242.3761-0.0344-0.13960.05050.219-0.0298-0.06580.1520.1043-0.05370.1561-0.0139-0.01360.1645-0.00450.121940.621646.131869.0292
41.59940.6780.19071.4043-0.09651.6520.1441-0.35390.28161.0631-0.31570.39970.269-0.35310.02580.512-0.09250.08940.3695-0.07260.201331.32551.710482.7542
51.0592-0.24720.1142.04990.30170.8781-0.0092-0.19430.14920.3369-0.0212-0.0587-0.02010.06130.03980.1875-0.04350.00470.1993-0.03080.126238.266153.1869.692
61.3769-0.00940.23871.14020.06620.75230.0024-0.14630.3450.1347-0.05160.135-0.1354-0.05920.06220.169-0.02510.01660.1636-0.04810.208124.337163.611359.6257
72.52-0.4708-0.05092.05421.01262.2168-0.0217-0.40720.08230.3172-0.050.24860.1599-0.2460.05910.1738-0.02690.03230.2217-0.05430.2515.917757.880860.1684
80.5241-0.14640.14112.58131.7021.6991-0.01270.0289-0.03860.1149-0.11730.48790.0612-0.2330.15540.1436-0.03320.02840.23840.00210.25619.22732.68551.8142
91.4425-0.04270.14282.79090.10951.828-0.0299-0.3954-0.13680.81110.0645-0.22170.17480.0551-0.04310.35840.0151-0.03010.26330.0320.159633.248422.221974.3975
101.0687-0.29210.01580.8724-0.04710.315-0.0125-0.1705-0.20910.2108-0.009-0.0030.05270.00330.02870.1765-0.02610.00660.14820.03630.157638.328315.208262.8823
114.0981-0.48630.86263.109-0.91773.68470.0039-0.44250.03030.33730.0132-0.2426-0.16230.0584-0.03240.1438-0.0178-0.01760.16460.02160.234454.347915.811759.5337
120.3864-0.3390.19691.95560.02961.2578-0.00930.04030.0661-0.07060.0437-0.4442-0.06620.2868-0.01650.128-0.02040.0260.2569-0.00650.228151.185233.005438.5142
133.2695-0.97520.11681.23820.77445.0390.20080.1855-0.0751-0.6691-0.063-0.0693-0.0005-0.2595-0.12820.339-0.02290.0320.136-0.01570.159839.711827.97717.8394
141.18150.194-0.1942.720.35131.1463-0.03160.2643-0.1137-0.70210.0051-0.029-0.00980.07070.01960.30570.00880.00930.1958-0.02860.13638.862322.541218.2232
1520.86410.12361.46160.49290.7956-0.03670.1254-0.0871-0.13610.00140.17430.0578-0.08310.04630.1705-0.0068-0.00770.1236-0.00350.156124.62713.714431.0769
164.18830.46931.19412.52370.91783.23640.00610.3138-0.0308-0.1704-0.05390.34420.2854-0.2771-0.02710.1891-0.04290.00070.1674-0.02060.228816.857612.875731.1034
171.0134-0.0849-0.53652.35990.9481.4841-0.0120.05570.0216-0.1639-0.03520.39190.0073-0.26170.07950.1193-0.0035-0.03270.20370.01190.203519.858241.727738.9071
181.0925-0.27110.28172.74530.19581.7887-0.03380.28650.1781-0.898-0.0022-0.3433-0.180.18060.05440.4436-0.05130.07080.21760.02810.203734.993152.823917.5584
191.12070.64980.06711.37610.01820.4008-0.06280.08940.1442-0.26970.03750.0181-0.03370.01590.02440.1793-0.00070.00670.12940.01660.134638.810960.147329.2432
203.92650.6595-0.6353.2876-0.98314.6452-0.06950.4221-0.14-0.4405-0.0023-0.32010.20120.27930.03160.1913-0.00040.0280.1640.00950.232354.333460.14833.9933
214.7303-0.27-1.34630.9989-0.43481.07390.05090.1253-0.468-0.0046-0.00720.05730.2808-0.0442-0.07470.1922-0.0102-0.02520.1307-0.02260.20928.864822.1995128.8984
223.67430.36130.2441.0187-0.18811.6690.26790.2191-0.39020.1299-0.1356-0.08390.31070.1252-0.01960.2457-0.0013-0.01660.1436-0.0160.204433.142423.3915120.2788
231.67950.47370.5331.4412-0.04272.9286-0.28350.8030.1755-0.32120.32880.2013-0.2544-0.0341-0.01660.1714-0.0738-0.04270.37010.03270.140125.653735.5515105.0331
242.36020.18080.15551.03160.26122.0427-0.12370.70980.1993-0.3131-0.00260.1612-0.20010.14490.10490.2275-0.0338-0.05310.37630.03930.183716.83437.7113101.9874
251.4216-0.4573-0.04220.99640.15630.4846-0.00680.14560.0427-0.05250.00380.14-0.0313-0.01870.00190.1206-0.0177-0.00620.150.01150.131215.307842.7294117.9073
262.7491-0.61721.39444.1813-0.86363.602-0.04460.42960.2887-0.319-0.0463-0.1509-0.31280.21440.06690.169-0.00520.00290.22160.0310.267914.521356.0498118.9079
272.7268-0.06690.20650.40090.31911.0839-0.01750.09440.47880.03130.0086-0.0077-0.1954-0.01180.02010.215-0.01580.00290.1550.02860.243341.211852.8956126.4341
281.5374-0.3091-0.21922.618-0.34133.0680.00020.7606-0.0417-0.27360.0341-0.2050.2270.142-0.07540.1366-0.00660.01440.3626-0.00590.179748.253741.1816106.3444
292.6195-0.45910.29241.1747-0.26320.93070.02550.7795-0.0912-0.2643-0.0814-0.15220.01040.09130.0440.1802-0.02520.03340.3591-0.01610.16853.608240.5235107.1144
301.6102-0.9963-0.50471.70950.12670.6526-0.00150.2182-0.3089-0.111-0.0654-0.00890.10690.05460.06510.1281-0.0006-0.00930.1975-0.03710.222761.027324.7146121.1998
314.34250.28382.00990.251.00425.61730.4859-0.6157-0.99430.0621-0.0419-0.2820.9322-0.1473-0.42840.29420.0028-0.05820.16640.05770.326951.889122.2877137.007
322.58050.4823-0.86310.93350.79822.94930.1751-0.0943-0.48960.2023-0.22340.04210.3056-0.05350.08210.1780.0077-0.01760.13820.02230.246932.077820.6168141.5418
332.61010.4370.62371.73020.35853.11090.0445-0.1735-0.19070.1123-0.0395-0.10230.2393-0.01950.01190.1671-0.0114-0.0190.1250.04130.129944.974428.8766151.3915
341.7822-1.8978-0.5052.1822-0.09493.8395-0.243-1.4710.96460.34940.4219-0.2986-0.3735-0.4901-0.06240.41120.011-0.09430.6583-0.16430.18747.172841.2189169.2348
351.26540.6886-0.30081.49710.18151.58370.1234-0.9095-0.08740.5969-0.3386-0.3384-0.2028-0.11130.16280.3383-0.0353-0.13710.50270.02580.23558.17936.6652167.7403
361.52510.2018-0.34820.86810.19260.23290.0105-0.3292-0.14830.1926-0.0118-0.10950.07660.0455-0.00910.1911-0.0037-0.03850.18590.02710.124948.264632.4219154.6499
373.10991.75470.00793.29650.3030.7278-0.1083-0.0331-0.05640.01780.076-0.4314-0.01040.08320.01870.13270.0332-0.02690.13160.01660.142457.731141.8415141.1843
381.197-0.64620.33422.9033-1.20420.548-0.1558-0.28280.20.69070.1007-0.2317-0.2284-0.01320.04980.28770.0088-0.09530.1993-0.03750.253459.588554.1516152.2522
392.84841.25940.1814.60991.04484.11-0.04790.04030.37180.20690.1573-0.2485-0.15890.1314-0.09850.12390.0206-0.08120.1252-0.00720.254260.98257.1699143.789
401.4415-0.26740.43340.9305-0.31211.4511-0.0403-0.05780.41650.1014-0.0044-0.0352-0.2679-0.04520.05630.24070.01440.01340.1178-0.01570.227929.296252.2006141.2487
412.43060.86120.02691.4666-0.01260.5440.1085-0.5654-0.050.3703-0.14510.1552-0.0394-0.04480.02220.22430.01040.06420.23750.00820.143717.589637.3144156.1493
421.4868-0.2714-0.42642.54880.42341.0688-0.0143-0.202-0.12860.2849-0.00390.17270.0754-0.05210.05680.1421-0.00960.03590.17070.02920.222610.16519.2194146.9506
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1chain 'A' and (resid 4 through 38 )
2X-RAY DIFFRACTION2chain 'A' and (resid 39 through 65 )
3X-RAY DIFFRACTION3chain 'A' and (resid 66 through 86 )
4X-RAY DIFFRACTION4chain 'A' and (resid 87 through 143 )
5X-RAY DIFFRACTION5chain 'A' and (resid 144 through 233 )
6X-RAY DIFFRACTION6chain 'A' and (resid 234 through 314 )
7X-RAY DIFFRACTION7chain 'A' and (resid 315 through 379 )
8X-RAY DIFFRACTION8chain 'B' and (resid 3 through 51 )
9X-RAY DIFFRACTION9chain 'B' and (resid 52 through 143 )
10X-RAY DIFFRACTION10chain 'B' and (resid 144 through 314 )
11X-RAY DIFFRACTION11chain 'B' and (resid 315 through 380 )
12X-RAY DIFFRACTION12chain 'C' and (resid 3 through 65 )
13X-RAY DIFFRACTION13chain 'C' and (resid 66 through 100 )
14X-RAY DIFFRACTION14chain 'C' and (resid 101 through 233 )
15X-RAY DIFFRACTION15chain 'C' and (resid 234 through 343 )
16X-RAY DIFFRACTION16chain 'C' and (resid 344 through 381 )
17X-RAY DIFFRACTION17chain 'D' and (resid 4 through 51 )
18X-RAY DIFFRACTION18chain 'D' and (resid 52 through 143 )
19X-RAY DIFFRACTION19chain 'D' and (resid 144 through 314 )
20X-RAY DIFFRACTION20chain 'D' and (resid 315 through 379 )
21X-RAY DIFFRACTION21chain 'E' and (resid 3 through 38 )
22X-RAY DIFFRACTION22chain 'E' and (resid 39 through 65 )
23X-RAY DIFFRACTION23chain 'E' and (resid 66 through 100 )
24X-RAY DIFFRACTION24chain 'E' and (resid 101 through 194 )
25X-RAY DIFFRACTION25chain 'E' and (resid 195 through 314 )
26X-RAY DIFFRACTION26chain 'E' and (resid 315 through 378 )
27X-RAY DIFFRACTION27chain 'F' and (resid 3 through 65 )
28X-RAY DIFFRACTION28chain 'F' and (resid 66 through 100 )
29X-RAY DIFFRACTION29chain 'F' and (resid 101 through 233 )
30X-RAY DIFFRACTION30chain 'F' and (resid 234 through 379 )
31X-RAY DIFFRACTION31chain 'G' and (resid 3 through 22 )
32X-RAY DIFFRACTION32chain 'G' and (resid 23 through 51 )
33X-RAY DIFFRACTION33chain 'G' and (resid 52 through 86 )
34X-RAY DIFFRACTION34chain 'G' and (resid 87 through 124 )
35X-RAY DIFFRACTION35chain 'G' and (resid 125 through 164 )
36X-RAY DIFFRACTION36chain 'G' and (resid 165 through 233 )
37X-RAY DIFFRACTION37chain 'G' and (resid 234 through 267 )
38X-RAY DIFFRACTION38chain 'G' and (resid 268 through 350 )
39X-RAY DIFFRACTION39chain 'G' and (resid 351 through 380 )
40X-RAY DIFFRACTION40chain 'H' and (resid 3 through 65 )
41X-RAY DIFFRACTION41chain 'H' and (resid 66 through 267 )
42X-RAY DIFFRACTION42chain 'H' and (resid 268 through 380 )

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