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- PDB-6uap: Crystal structure of tryptophan synthase from M. tuberculosis - o... -

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Open data


ID or keywords:

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Basic information

Entry
Database: PDB / ID: 6uap
TitleCrystal structure of tryptophan synthase from M. tuberculosis - open form with BRD6309 bound
Components(Tryptophan synthase ...) x 2
KeywordsLyase/Lyase Inhibitor / PLP / heterotetramer / amino acid biosynthesis / substrate channeling / allostery / Structural Genomics / Center for Structural Genomics of Infectious Diseases / CSGID / Lyase-Lyase Inhibitor complex
Function / homology
Function and homology information


tryptophan synthase / tryptophan synthase activity / tryptophan biosynthetic process / plasma membrane / cytosol / cytoplasm
Similarity search - Function
Tryptophan synthase, alpha chain / Tryptophan synthase, alpha chain, active site / Tryptophan synthase alpha chain / Tryptophan synthase alpha chain signature. / Tryptophan synthase, beta chain, conserved site / Tryptophan synthase, beta chain / Tryptophan synthase beta chain/beta chain-like / Tryptophan synthase beta chain pyridoxal-phosphate attachment site. / Rossmann fold - #1100 / Pyridoxal-phosphate dependent enzyme ...Tryptophan synthase, alpha chain / Tryptophan synthase, alpha chain, active site / Tryptophan synthase alpha chain / Tryptophan synthase alpha chain signature. / Tryptophan synthase, beta chain, conserved site / Tryptophan synthase, beta chain / Tryptophan synthase beta chain/beta chain-like / Tryptophan synthase beta chain pyridoxal-phosphate attachment site. / Rossmann fold - #1100 / Pyridoxal-phosphate dependent enzyme / Tryptophan synthase beta subunit-like PLP-dependent enzyme / Pyridoxal-phosphate dependent enzyme / Ribulose-phosphate binding barrel / Aldolase class I / Aldolase-type TIM barrel / TIM Barrel / Alpha-Beta Barrel / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
ACETATE ION / FORMIC ACID / Chem-H9V / MALONIC ACID / D-MALATE / Tryptophan synthase beta chain / Tryptophan synthase alpha chain
Similarity search - Component
Biological speciesMycobacterium tuberculosis (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.745 Å
AuthorsChang, C. / Michalska, K. / Maltseva, N.I. / Jedrzejczak, R. / McCarren, P. / Nag, P.P. / Joachimiak, A. / Satchell, K. / Center for Structural Genomics of Infectious Diseases (CSGID)
Funding support Canada, 1items
OrganizationGrant numberCountry
Structure-guided Drug Discovery Coalition Canada
CitationJournal: To be Published
Title: Crystal structure of tryptophan synthase from M. tuberculosis - open form with BRD6309 bound
Authors: Chang, C. / Michalska, K. / Maltseva, N.I. / Jedrzejczak, R. / McCarren, P. / Nag, P.P. / Joachimiak, A. / Satchell, K.
History
DepositionSep 11, 2019Deposition site: RCSB / Processing site: RCSB
SupersessionOct 30, 2019ID: 6DU1
Revision 1.0Oct 30, 2019Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Tryptophan synthase alpha chain
B: Tryptophan synthase beta chain
C: Tryptophan synthase alpha chain
D: Tryptophan synthase beta chain
E: Tryptophan synthase alpha chain
F: Tryptophan synthase beta chain
G: Tryptophan synthase alpha chain
H: Tryptophan synthase beta chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)292,43551
Polymers288,5698
Non-polymers3,86743
Water5,441302
1
A: Tryptophan synthase alpha chain
B: Tryptophan synthase beta chain
G: Tryptophan synthase alpha chain
H: Tryptophan synthase beta chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)145,97022
Polymers144,2844
Non-polymers1,68618
Water724
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area12250 Å2
ΔGint-29 kcal/mol
Surface area42340 Å2
MethodPISA
2
C: Tryptophan synthase alpha chain
D: Tryptophan synthase beta chain
E: Tryptophan synthase alpha chain
F: Tryptophan synthase beta chain
hetero molecules


Theoretical massNumber of molelcules
Total (without water)146,46529
Polymers144,2844
Non-polymers2,18025
Water724
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area13780 Å2
ΔGint-39 kcal/mol
Surface area42380 Å2
MethodPISA
Unit cell
Length a, b, c (Å)134.777, 157.877, 166.690
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121

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Components

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Tryptophan synthase ... , 2 types, 8 molecules ACEGBDFH

#1: Protein
Tryptophan synthase alpha chain


Mass: 28579.449 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / Gene: trpA, Rv1613, MTCY01B2.05 / Plasmid: PMCSG81 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P9WFY1, tryptophan synthase
#2: Protein
Tryptophan synthase beta chain


Mass: 43562.711 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (bacteria)
Strain: ATCC 25618 / H37Rv / Gene: trpB, Rv1612, MTCY01B2.04 / Plasmid: PMCSG81 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P9WFX9, tryptophan synthase

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Non-polymers , 7 types, 345 molecules

#3: Chemical...
ChemComp-FMT / FORMIC ACID / Formic acid


Mass: 46.025 Da / Num. of mol.: 23 / Source method: obtained synthetically / Formula: CH2O2
#4: Chemical ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL / Ethylene glycol


Mass: 62.068 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C2H6O2
#5: Chemical
ChemComp-H9V / (2R,3S,4R)-3-(4'-chloro-2',6'-difluoro[1,1'-biphenyl]-4-yl)-4-(fluoromethyl)azetidine-2-carbonitrile


Mass: 336.739 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C17H12ClF3N2 / Feature type: SUBJECT OF INVESTIGATION
#6: Chemical ChemComp-MLA / MALONIC ACID / DICARBOXYLIC ACID C3 / PROPANEDIOLIC ACID / METHANEDICARBOXYLIC ACID / Malonic acid


Mass: 104.061 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C3H4O4
#7: Chemical
ChemComp-MLT / D-MALATE / (2R)-2-HYDROXYBUTANEDIOIC ACID / 2-HYDROXY-SUCCINIC ACID / Malic acid


Mass: 134.087 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: C4H6O5
#8: Chemical
ChemComp-ACT / ACETATE ION / Acetate


Mass: 59.044 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: C2H3O2
#9: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 302 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestY

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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: 3.08 Å3/Da / Density % sol: 60.1 %
Crystal growTemperature: 289 K / Method: vapor diffusion, sitting drop / pH: 8 / Details: 8% TACSIMATE, 20% PEG3350, 5% PEG400, PH 8.0

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 19-ID / Wavelength: 0.9788 Å
DetectorType: ADSC QUANTUM 315r / Detector: CCD / Date: Dec 17, 2015
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9788 Å / Relative weight: 1
ReflectionResolution: 2.745→30 Å / Num. obs: 93179 / % possible obs: 99.7 % / Redundancy: 6 % / Rmerge(I) obs: 0.165 / Rpim(I) all: 0.072 / Rrim(I) all: 0.181 / Χ2: 1.163 / Net I/σ(I): 5.1
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsNum. unique obsCC1/2Rpim(I) allRrim(I) allΧ2% possible all
2.745-2.85.71.1245380.6510.51.230.96999.4
2.8-2.855.81.06445900.6850.4721.1670.98399.3
2.85-2.95.80.91246020.7140.40411.0599.5
2.9-2.965.80.84146090.7530.3720.9221.02799.7
2.96-3.035.80.70346270.8150.3110.7711.02899.5
3.03-3.15.90.59245800.850.2610.6481.03899.6
3.1-3.175.90.49746200.8890.220.5451.07699.8
3.17-3.2660.446240.9160.1760.4381.056100
3.26-3.3660.32546450.9450.1420.3561.102100
3.36-3.466.10.26646480.9640.1160.2911.105100
3.46-3.596.10.22346310.9720.0970.2441.122100
3.59-3.736.10.17746510.9850.0760.1931.182100
3.73-3.96.20.14946750.9880.0640.1631.204100
3.9-4.116.10.12446640.9920.0540.1361.266100
4.11-4.366.10.10746750.9920.0460.1161.409100
4.36-4.76.10.09146800.9940.0390.0991.562100
4.7-5.1760.08947020.9950.0390.0971.466100
5.17-5.915.90.09747410.9940.0430.1061.23199.8
5.91-7.435.90.06647670.9970.0290.0731.14299.5
7.43-305.80.03649100.9990.0160.0391.17798.9

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Processing

Software
NameVersionClassification
PHENIX1.15.2_3472refinement
SCALEPACKdata scaling
PDB_EXTRACT3.25data extraction
HKL-3000data reduction
HKL-3000phasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.745→29.651 Å / SU ML: 0.35 / Cross valid method: THROUGHOUT / σ(F): 1.34 / Phase error: 22.28
RfactorNum. reflection% reflection
Rfree0.2114 1854 1.99 %
Rwork0.1708 --
obs0.1716 93034 99.18 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å
Displacement parametersBiso max: 141.18 Å2 / Biso mean: 47.5968 Å2 / Biso min: 19.25 Å2
Refinement stepCycle: final / Resolution: 2.745→29.651 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms19150 0 259 302 19711
Biso mean--64.07 38.39 -
Num. residues----2603
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection Rwork% reflection obs (%)
2.745-2.81410.38541190.2806649993
2.8141-2.89680.29481530.2624691899
2.8968-2.99030.30121410.2492696699
2.9903-3.0970.34851420.23826995100
3.097-3.22090.27911500.22726972100
3.2209-3.36730.2421620.1937011100
3.3673-3.54450.2081390.1717017100
3.5445-3.76620.19581540.1577031100
3.7662-4.05630.18551480.1457042100
4.0563-4.46330.19371510.13737068100
4.4633-5.10630.15881170.13087141100
5.1063-6.42260.17671540.16317152100
6.4226-29.6510.15491240.1433736899
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)
10.5960.00710.46830.6795-0.11070.39620.0353-0.05910.07440.02020.0265-0.24350.0966-0.0466-00.3188-0.00790.02490.2992-0.00170.426688.7584-12.958122.1913
20.28240.14880.07760.2299-0.2050.4329-0.08930.25510.2419-0.0230.0858-0.1442-0.21130.032700.2148-0.01840.00620.27080.00740.394984.4185-2.18120.066
30.2216-0.06070.18150.15030.03120.06470.05660.6581-0.0789-0.153-0.0687-0.4605-0.06960.02260.00040.3012-0.01960.03680.4210.01090.430878.545-8.42318.1609
40.5897-0.3153-0.30020.59180.3490.22190.04920.2422-0.29580.0454-0.1223-0.17030.3485-0.0316-0.00610.31990.02150.01750.3602-0.06780.456688.7076-23.610215.183
50.0316-0.08550.00360.1696-0.01320.0052-0.11180.4051-0.0984-0.21640.32370.0552-0.22960.08710.00090.39260.02240.01020.48930.04370.393757.67750.36213.4554
60.0866-0.00380.14620.20310.07690.22510.00270.3656-0.1246-0.0224-0.00190.0160.0770.0914-00.3483-0.00280.04210.3670.06570.26448.0606-13.151212.4807
70.0837-0.2251-0.29910.5578-0.21430.49810.0032-0.1487-0.11250.0548-0.09450.027-0.03160.173-00.2526-0.0244-0.01530.33960.01750.286249.9975-14.170330.9287
80.17430.0642-0.44490.4329-0.11631.04430.05090.0651-0.0428-0.0927-0.0117-0.038-0.11110.03900.2130.0089-0.01180.24080.00970.195349.94390.543126.6895
90.22770.1288-0.13770.0432-0.08360.01620.1078-0.20290.08280.12150.0528-0.1758-0.10890.012400.2919-0.011-0.01410.3249-0.00760.318362.4411.036629.7745
100.1243-0.1306-0.04760.0690.08240.04830.0094-0.22150.1540.1667-0.0573-0.2047-0.1155-0.015-00.3113-0.0511-0.01930.32570.04160.296147.05513.264644.2144
110.35460.315-0.09550.1567-0.01430.2361-0.08610.0997-0.01290.05330.1056-0.06930.02740.036500.3006-0.01140.01320.19870.01710.221744.9179-0.28243.569
120.53630.10450.2380.73670.01340.08080.09730.03910.0402-0.0971-0.00320.37830.139-0.0394-00.29540.02930.00540.3597-0.03630.451-21.132214.049.8171
130.05690.14470.09560.25830.06750.2420.20510.14960.10660.0061-0.00410.1706-0.0640.045200.25710.03610.03860.3214-0.01590.3774-13.564223.595810.3495
140.3073-0.0418-0.2410.22770.19030.25260.0788-0.2184-0.12530.10630.03270.0818-0.01920.070600.32370.00540.0620.395-0.02410.4124-9.744313.749622.5807
150.8211-0.2467-0.50240.4735-0.1450.319-0.0504-0.1673-0.26930.04930.00730.40210.1526-0.23100.2628-0.04240.00810.41370.01440.5702-25.79554.864517.6054
160.0966-0.0281-0.1428-0.03470.01860.0749-0.0212-0.34970.03360.06850.0688-0.1047-0.35610.04780.00040.3332-0.08340.05080.3959-0.08280.37213.448410.991218.9914
170.0409-0.01640.06220.20.01010.08890.0242-0.31360.13670.08370.1311-0.11220.08470.052400.3096-0.0220.00120.3627-0.02290.304714.8405-4.797120.0747
180.410.0085-0.22180.50.64480.79710.08510.0689-0.1263-0.09-0.17610.0327-0.106-0.1565-0.00450.23140.0218-0.01190.2878-0.03010.228611.8159-4.7042.9025
190.26270.0979-0.43770.48290.26690.88090.0602-0.0054-0.0059-0.0996-0.0015-0.022-0.1344-0.0102-00.2384-0.01870.02190.2225-0.00640.242319.65359.3289-1.8362
200.3110.3714-0.14291.2889-0.1880.6879-0.00940.66270.2098-1.56860.47310.22760.17380.0610.87120.9641-0.18260.51030.6446-0.36360.226241.3174-39.8369-53.7052
210.43730.2867-0.07450.73120.06720.3571-0.18680.11380.0133-0.31030.1639-0.2139-0.01320.046-00.5512-0.02860.11440.4021-0.10230.379337.4451-40.6932-41.0097
220.09060.10060.12230.06490.10580.08260.38260.0687-0.258-0.3722-0.161-0.0534-0.19050.3890.00070.6176-0.02550.21040.5172-0.18680.792350.7298-39.3493-36.6989
230.19530.0587-0.29910.93830.02480.3189-0.1390.30140.0471-0.71150.3309-0.3204-0.02490.36830.04860.7805-0.15710.26740.6218-0.05480.44646.6645-28.7479-51.1664
240.1226-0.0706-0.08790.00360.02610.0389-0.1150.2547-0.4884-0.17320.0568-0.19810.0860.3674-00.38380.09010.02480.5122-0.0190.477447.2734-33.8694-17.2964
250.369-0.0627-0.00380.1556-0.08110.06830.0092-0.19310.1498-0.04640.222-0.3599-0.04060.3728-00.22850.0010.04420.4155-0.02970.374948.3731-15.56-14.8064
260.3439-0.35340.28910.2173-0.23480.19240.00760.01780.06330.01430.0579-0.0171-0.0197-0.090800.2885-0.02820.03180.2532-0.02950.275231.2731-16.7435-7.9021
270.2908-0.4744-0.38170.50890.06030.58410.07880.1393-0.0932-0.1478-0.07210.13430.0451-0.0517-00.295-0.00040.03440.2601-0.01470.284930.7239-16.8723-26.3819
280.5652-0.0147-0.36060.34560.02880.2597-0.0581-0.0194-0.037-0.0768-0.042-0.07550.0527-0.06800.3093-0.00170.00070.2093-0.02580.272532.8216-32.4135-10.3079
29-0.0235-0.0347-0.00170.2064-0.09450.01790.06820.1738-0.0114-0.0312-0.08110.15790.1696-0.2574-00.2746-0.05540.01760.2775-0.0350.339817.4318-30.2815-3.5936
300.18230.0014-0.23160.46420.34030.2710.0896-0.0048-0.1039-0.0566-0.0137-0.01440.0833-0.06100.2663-0.0027-0.00030.2194-0.02140.26518.6103-26.3703-3.214
310.4774-0.0240.61970.7918-0.13820.5548-0.1067-0.0755-0.07670.46040.03890.0334-0.2865-0.0302-0.00080.496-0.01770.07720.2750.04130.292112.1378-31.905381.3273
320.7382-0.2615-0.11280.8214-0.46170.39790.0183-0.0496-0.07070.53360.11710.2748-0.2057-0.21830.0220.4734-0.01590.10670.25040.01430.28216.8697-23.382477.7489
330.02860.00730.04740.0542-0.03290.0961-0.01260.0958-0.05810.1763-0.31990.2503-0.1515-0.6065-00.2818-0.0097-0.00520.45920.01570.3425.7785-23.091350.456
340.2321-0.20460.10230.31570.0440.17930.24450.27260.18090.11840.16530.2795-0.3482-0.361300.36790.030.00340.4090.02320.35113.5073-6.226547.3
350.21460.37980.01910.46660.15360.64030.0762-0.0064-0.01880.0268-0.0481-0.034-0.0041-0.0418-00.2483-0.0133-0.01430.26020.01910.252525.9393-16.870445.7122
360.16080.1434-0.15960.0164-0.06250.0635-0.12930.1749-0.24060.0025-0.11130.03540.1158-0.092300.3481-0.0330.02310.35150.02450.355720.8249-35.224144.4091
370.162-0.163-0.11150.0811-0.00610.2806-0.1103-0.0222-0.03250.1094-0.00720.17990.10210.041400.3576-0.04240.04090.32680.02010.358218.8695-32.020751.874
380.41940.0706-0.29870.598-0.24880.16320.0716-0.0955-0.11520.0796-0.0009-0.10490.09320.085300.2731-0.0117-0.01090.26180.03650.278934.2324-31.371136.3184
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection detailsAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1chain 'A' and (resid 8 through 85 )A8 - 85
2X-RAY DIFFRACTION2chain 'A' and (resid 86 through 142 )A86 - 142
3X-RAY DIFFRACTION3chain 'A' and (resid 143 through 197 )A143 - 197
4X-RAY DIFFRACTION4chain 'A' and (resid 198 through 267 )A198 - 267
5X-RAY DIFFRACTION5chain 'B' and (resid 5 through 31 )B5 - 31
6X-RAY DIFFRACTION6chain 'B' and (resid 32 through 64 )B32 - 64
7X-RAY DIFFRACTION7chain 'B' and (resid 65 through 194 )B65 - 194
8X-RAY DIFFRACTION8chain 'B' and (resid 195 through 293 )B195 - 293
9X-RAY DIFFRACTION9chain 'B' and (resid 294 through 336 )B294 - 336
10X-RAY DIFFRACTION10chain 'B' and (resid 337 through 357 )B337 - 357
11X-RAY DIFFRACTION11chain 'B' and (resid 358 through 409 )B358 - 409
12X-RAY DIFFRACTION12chain 'C' and (resid 9 through 85 )C9 - 85
13X-RAY DIFFRACTION13chain 'C' and (resid 86 through 126 )C86 - 126
14X-RAY DIFFRACTION14chain 'C' and (resid 127 through 197 )C127 - 197
15X-RAY DIFFRACTION15chain 'C' and (resid 198 through 267 )C198 - 267
16X-RAY DIFFRACTION16chain 'D' and (resid 4 through 31 )D4 - 31
17X-RAY DIFFRACTION17chain 'D' and (resid 32 through 64 )D32 - 64
18X-RAY DIFFRACTION18chain 'D' and (resid 65 through 210 )D65 - 210
19X-RAY DIFFRACTION19chain 'D' and (resid 211 through 409 )D211 - 409
20X-RAY DIFFRACTION20chain 'E' and (resid 9 through 50 )E9 - 50
21X-RAY DIFFRACTION21chain 'E' and (resid 51 through 142 )E51 - 142
22X-RAY DIFFRACTION22chain 'E' and (resid 143 through 165 )E143 - 165
23X-RAY DIFFRACTION23chain 'E' and (resid 166 through 266 )E166 - 266
24X-RAY DIFFRACTION24chain 'F' and (resid 8 through 31 )F8 - 31
25X-RAY DIFFRACTION25chain 'F' and (resid 32 through 64 )F32 - 64
26X-RAY DIFFRACTION26chain 'F' and (resid 65 through 140 )F65 - 140
27X-RAY DIFFRACTION27chain 'F' and (resid 141 through 210 )F141 - 210
28X-RAY DIFFRACTION28chain 'F' and (resid 211 through 336 )F211 - 336
29X-RAY DIFFRACTION29chain 'F' and (resid 337 through 357 )F337 - 357
30X-RAY DIFFRACTION30chain 'F' and (resid 358 through 407 )F358 - 407
31X-RAY DIFFRACTION31chain 'G' and (resid 9 through 108 )G9 - 108
32X-RAY DIFFRACTION32chain 'G' and (resid 109 through 266 )G109 - 266
33X-RAY DIFFRACTION33chain 'H' and (resid 9 through 31 )H9 - 31
34X-RAY DIFFRACTION34chain 'H' and (resid 32 through 64 )H32 - 64
35X-RAY DIFFRACTION35chain 'H' and (resid 65 through 258 )H65 - 258
36X-RAY DIFFRACTION36chain 'H' and (resid 259 through 293 )H259 - 293
37X-RAY DIFFRACTION37chain 'H' and (resid 294 through 335 )H294 - 335
38X-RAY DIFFRACTION38chain 'H' and (resid 336 through 408 )H336 - 408

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