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- PDB-4eiz: Structure of Nb113 bound to apoDHFR -

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Basic information

Entry
Database: PDB / ID: 4eiz
TitleStructure of Nb113 bound to apoDHFR
Components
  • Dihydrofolate reductase
  • Nb113 Camel antibody fragment
KeywordsOXIDOREDUCTASE/IMMUNE SYSTEM / NADP BINDING / OXIDOREDUCTASE-IMMUNE SYSTEM complex
Function / homology
Function and homology information


methotrexate binding / dihydrofolic acid binding / response to methotrexate / NADP+ binding / folic acid binding / dihydrofolate metabolic process / glycine biosynthetic process / dihydrofolate reductase / dihydrofolate reductase activity / folic acid metabolic process ...methotrexate binding / dihydrofolic acid binding / response to methotrexate / NADP+ binding / folic acid binding / dihydrofolate metabolic process / glycine biosynthetic process / dihydrofolate reductase / dihydrofolate reductase activity / folic acid metabolic process / NADPH binding / tetrahydrofolate biosynthetic process / one-carbon metabolic process / NADP binding / response to xenobiotic stimulus / response to antibiotic / cytosol
Similarity search - Function
Dihydrofolate Reductase, subunit A / Dihydrofolate Reductase, subunit A / Dihydrofolate reductase / Dihydrofolate reductase conserved site / Dihydrofolate reductase (DHFR) domain signature. / Dihydrofolate reductase domain / Dihydrofolate reductase / Dihydrofolate reductase (DHFR) domain profile. / Dihydrofolate reductase-like domain superfamily / Immunoglobulins ...Dihydrofolate Reductase, subunit A / Dihydrofolate Reductase, subunit A / Dihydrofolate reductase / Dihydrofolate reductase conserved site / Dihydrofolate reductase (DHFR) domain signature. / Dihydrofolate reductase domain / Dihydrofolate reductase / Dihydrofolate reductase (DHFR) domain profile. / Dihydrofolate reductase-like domain superfamily / Immunoglobulins / Immunoglobulin-like / Sandwich / 3-Layer(aba) Sandwich / Mainly Beta / Alpha Beta
Similarity search - Domain/homology
Dihydrofolate reductase
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
Lama glama (llama)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.2 Å
AuthorsOyen, D. / Srinivasan, V.
CitationJournal: Biochim.Biophys.Acta / Year: 2013
Title: Mechanistic analysis of allosteric and non-allosteric effects arising from nanobody binding to two epitopes of the dihyrofolate reductase of Escherichia coli.
Authors: Oyen, D. / Wechselberger, R. / Srinivasan, V. / Steyaert, J. / Barlow, J.N.
History
DepositionApr 6, 2012Deposition site: RCSB / Processing site: RCSB
Revision 1.0Apr 24, 2013Provider: repository / Type: Initial release
Revision 1.1Aug 14, 2013Group: Database references
Revision 1.2Sep 4, 2013Group: Database references
Revision 1.3Oct 30, 2013Group: Derived calculations

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Dihydrofolate reductase
B: Dihydrofolate reductase
C: Nb113 Camel antibody fragment
D: Nb113 Camel antibody fragment


Theoretical massNumber of molelcules
Total (without water)65,6694
Polymers65,6694
Non-polymers00
Water6,449358
1
A: Dihydrofolate reductase
D: Nb113 Camel antibody fragment


Theoretical massNumber of molelcules
Total (without water)32,8352
Polymers32,8352
Non-polymers00
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: Dihydrofolate reductase
C: Nb113 Camel antibody fragment


Theoretical massNumber of molelcules
Total (without water)32,8352
Polymers32,8352
Non-polymers00
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)101.361, 77.517, 93.473
Angle α, β, γ (deg.)90.00, 91.28, 90.00
Int Tables number5
Space group name H-MC121

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Components

#1: Protein Dihydrofolate reductase


Mass: 18019.340 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Strain: K12 / Gene: folA, tmrA, b0048, JW0047 / Production host: Escherichia coli (E. coli) / References: UniProt: P0ABQ4, dihydrofolate reductase
#2: Antibody Nb113 Camel antibody fragment


Mass: 14815.256 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Lama glama (llama) / Production host: Escherichia coli (E. coli)
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 358 / 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: 2.8 Å3/Da / Density % sol: 56 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 5.6
Details: 25.5% PEG4000, 0.085M NaCitrate, 0.17 M Ammonium Sulphate, 25% Glycerol, pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID23-1 / Wavelength: 0.978 Å
DetectorType: ADSC QUANTUM 315r / Detector: CCD / Date: Dec 15, 2007
RadiationMonochromator: Si 111 CHANNEL / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.978 Å / Relative weight: 1
ReflectionResolution: 2.2→20 Å / Num. all: 36808 / Num. obs: 35739 / % possible obs: 97.1 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0
Reflection shellResolution: 2.2→2.5 Å / % possible all: 97.1

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Processing

Software
NameVersionClassification
ADSCQuantumdata collection
PHASERphasing
PHENIX(phenix.refine: 1.7.3_928)refinement
DENZOdata reduction
SCALEPACKdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.2→19.989 Å / SU ML: 0.24 / σ(F): 1.34 / Phase error: 25.16 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.2242 1772 4.96 %
Rwork0.1705 --
obs0.1733 35718 96.96 %
Solvent computationShrinkage radii: 0.86 Å / VDW probe radii: 1.1 Å / Solvent model: FLAT BULK SOLVENT MODEL / Bsol: 42.329 Å2 / ksol: 0.368 e/Å3
Displacement parameters
Baniso -1Baniso -2Baniso -3
1--2.5217 Å20 Å210.8113 Å2
2--4.819 Å20 Å2
3----2.2973 Å2
Refinement stepCycle: LAST / Resolution: 2.2→19.989 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4432 0 0 358 4790
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0094544
X-RAY DIFFRACTIONf_angle_d1.1066169
X-RAY DIFFRACTIONf_dihedral_angle_d13.2391619
X-RAY DIFFRACTIONf_chiral_restr0.076658
X-RAY DIFFRACTIONf_plane_restr0.006803
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.2-2.25870.2531130.18312573X-RAY DIFFRACTION97
2.2587-2.3250.25911300.18562610X-RAY DIFFRACTION97
2.325-2.39990.28341280.19272585X-RAY DIFFRACTION97
2.3999-2.48560.27211500.18512615X-RAY DIFFRACTION97
2.4856-2.58490.25341170.18372614X-RAY DIFFRACTION97
2.5849-2.70230.2971250.19072597X-RAY DIFFRACTION97
2.7023-2.84440.29511090.19622636X-RAY DIFFRACTION97
2.8444-3.0220.25211480.18642616X-RAY DIFFRACTION97
3.022-3.25440.26121650.18792567X-RAY DIFFRACTION97
3.2544-3.58020.20481510.17092613X-RAY DIFFRACTION97
3.5802-4.09440.19541330.15012641X-RAY DIFFRACTION98
4.0944-5.1440.16371500.1272612X-RAY DIFFRACTION97
5.144-19.98960.19991530.17912667X-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)
16.6637-5.0483-0.85395.79242.05551.7479-0.01070.5444-0.08160.0747-0.27520.3059-0.0515-0.43660.13140.1265-0.026-0.02370.178-0.00440.104765.7549-21.409211.5038
23.2318-2.9212-1.42922.58681.38781.23480.15960.21490.4392-0.1677-0.0525-0.2374-0.04090.0232-0.11710.12050.0261-0.020.10550.03150.155373.6792-16.647110.1799
33.2102-1.613-1.88678.5569-1.80124.70240.19530.38990.2746-0.1684-0.0266-0.1265-0.4794-0.1224-0.10880.2130.00860.02560.2276-0.01060.13779.9729-23.8386-0.667
45.9483-2.2578-2.042.02181.37721.8487-0.39550.238-0.88450.18010.16060.27060.2721-0.14760.18120.21160.03750.01120.17690.01110.216972.8069-28.186311.6649
55.0245-2.2856-0.32394.0560.41422.6651-0.3334-0.0536-0.35730.28150.08590.19690.4297-0.11220.13520.18320.04270.05780.17530.02350.140464.2936-21.615319.8509
63.6408-2.1486-1.89022.05461.03027.53290.11130.0867-0.0164-0.0744-0.10070.11650.0651-0.0234-0.03280.12370.0126-0.0420.1026-0.01140.135835.814212.350836.3703
72.4226-1.5427-2.22934.78194.05996.1941-0.05-0.45890.00340.0871-0.02010.0470.12460.06450.05230.18210.0435-0.0350.18520.00960.172439.39724.405442.4217
88.7196-0.44820.7126.1181-0.25725.6551-0.12480.481-0.5478-0.19630.10150.50690.2144-0.1313-0.02790.17880.02560.04920.1634-0.05910.236226.934710.716646.5372
98.3417-1.8965-0.74246.177-0.80453.55010.00720.0894-0.91260.4244-0.03051.00730.1545-0.2805-0.01160.1896-0.00040.03650.2173-0.02360.352721.757911.032550.1661
107.11570.1594-2.19575.23390.26534.4470.07080.07110.52880.32910.02310.4949-0.3243-0.177-0.22610.20320.0460.1150.2041-0.07310.294422.454821.575949.5166
113.9759-0.32-0.50083.7432-0.4184.66450.19250.25820.5975-0.1632-0.10080.1457-0.724-0.1844-0.06320.17520.0899-0.0030.1575-0.04720.218831.742820.521844.2978
122.8904-1.7619-0.45773.66890.4733.53870.17260.30330.1093-0.2415-0.25440.2428-0.2513-0.4741-0.00790.1023-0.0038-0.02180.19340.00830.162138.47913.127633.942
133.90780.158-0.1424.57941.22483.48790.0460.18550.27060.06560.0428-0.2172-0.29710.457-0.03140.14380.0024-0.0160.16220.02240.069946.536313.805637.8152
146.05680.0145-0.61194.1029-0.17161.29530.1025-0.31140.14540.54890.2363-0.6780.39130.3241-0.50150.07510.0077-0.0260.18820.06870.087864.98285.339312.2931
155.4771-0.7397-3.22374.05180.8684.09240.1143-0.83220.15530.31570.0907-0.2602-0.43240.3879-0.11180.24150.006-0.05810.1950.03090.187363.2585.521118.9
167.1182-1.8033-5.88713.512-0.90236.74090.5187-1.01630.56070.4599-0.1341-0.9389-0.54231.3846-0.52650.2739-0.047-0.03540.2613-0.01710.240355.347413.365328.7921
173.4125-1.82770.86713.3202-0.76113.08090.42051.09981.0444-0.9286-0.3229-0.5383-0.53340.11290.43220.38380.27060.0098-0.11060.3960.172456.489613.37678.8714
181.676-0.196-1.76512.02430.91862.0657-0.0833-0.0495-0.0717-0.0035-0.037-0.02240.12570.18160.06960.0760.0416-0.05020.07890.01450.069451.44724.002317.3744
192.0221-0.6133-2.5762.39171.60383.6190.081-0.09510.0792-0.1367-0.0104-0.1198-0.0161-0.0178-0.04940.14290.0218-0.03310.12170.01990.14458.66195.371511.6009
201.6718-0.2277-2.10941.44680.44872.990.4046-0.01280.3289-0.2738-0.1968-0.025-0.5069-0.0866-0.19560.22020.0674-0.02250.1560.02290.192647.397615.526419.8654
214.546-2.8948-3.94661.99172.48993.41550.08330.06690.3974-0.22970.27960.0599-0.4470.469-0.44980.2597-0.01150.05610.12630.0580.212265.08817.18516.1224
223.99770.4102-1.93263.2490.80515.2131-0.6658-0.7035-0.18210.79170.59960.09060.32330.01410.14220.1664-0.0440.07140.22210.07530.185538.4928-14.635437.7784
238.2018-6.90932.47349.2538-1.47296.202-0.0821-1.0927-0.3144-0.02840.3764-0.01910.39720.6394-0.23340.21720.07830.06040.30250.01150.258345.2704-14.418136.6445
247.75240.8968-2.22372.4850.93832.6938-0.4686-0.8896-0.70930.30310.06560.05470.6617-0.01960.08920.31860.02420.14880.12670.1050.282448.271-21.226229.5606
257.25985.9703-5.36694.9112-4.41843.9699-0.68110.265-0.4571-0.1080.22540.66991.0337-0.64570.15810.3356-0.16370.23270.3326-0.11110.54435.698-22.724227.2008
264.1584-3.4202-1.64854.68260.22151.3296-0.04420.79210.1004-0.1401-0.07380.17850.1282-0.52230.11030.1517-0.018-0.0370.32430.05630.171443.5304-13.057321.4798
278.6288-1.7099-1.18324.6601-0.32794.3609-0.5683-0.2670.25070.38350.3108-0.13170.01510.39550.24830.17760.0427-0.01450.16280.00860.137447.6745-11.898131.4539
284.9951-1.9916-3.36174.7921.12182.275-0.33660.7464-0.39610.3431-0.0150.24450.352-0.37990.26760.2221-0.07890.03150.23720.02240.312534.8784-16.470630.7589
293.312-0.0929-2.15031.89260.44731.48-0.67350.21-1.02890.3522-0.29850.59910.4093-0.47270.40840.3046-0.12190.16990.2571-0.10730.503248.4387-25.282321.883
307.5136-3.6397-5.39937.72984.02784.207-0.3822-0.5607-0.1113-0.11460.5867-0.11910.1131-0.1198-0.25710.2387-0.04340.11380.19710.03240.320832.4914-16.678337.4815
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1CHAIN A AND (RESSEQ 1:19)
2X-RAY DIFFRACTION2CHAIN A AND (RESSEQ 20:48)
3X-RAY DIFFRACTION3CHAIN A AND (RESSEQ 49:85)
4X-RAY DIFFRACTION4CHAIN A AND (RESSEQ 86:115)
5X-RAY DIFFRACTION5CHAIN A AND (RESSEQ 116:159)
6X-RAY DIFFRACTION6CHAIN B AND (RESSEQ 1:19)
7X-RAY DIFFRACTION7CHAIN B AND (RESSEQ 20:35)
8X-RAY DIFFRACTION8CHAIN B AND (RESSEQ 36:50)
9X-RAY DIFFRACTION9CHAIN B AND (RESSEQ 51:72)
10X-RAY DIFFRACTION10CHAIN B AND (RESSEQ 73:85)
11X-RAY DIFFRACTION11CHAIN B AND (RESSEQ 86:106)
12X-RAY DIFFRACTION12CHAIN B AND (RESSEQ 107:125)
13X-RAY DIFFRACTION13CHAIN B AND (RESSEQ 126:159)
14X-RAY DIFFRACTION14CHAIN C AND (RESSEQ 2:17)
15X-RAY DIFFRACTION15CHAIN C AND (RESSEQ 18:25)
16X-RAY DIFFRACTION16CHAIN C AND (RESSEQ 26:33)
17X-RAY DIFFRACTION17CHAIN C AND (RESSEQ 34:45)
18X-RAY DIFFRACTION18CHAIN C AND (RESSEQ 46:76)
19X-RAY DIFFRACTION19CHAIN C AND (RESSEQ 77:99)
20X-RAY DIFFRACTION20CHAIN C AND (RESSEQ 100:118)
21X-RAY DIFFRACTION21CHAIN C AND (RESSEQ 119:128)
22X-RAY DIFFRACTION22CHAIN D AND (RESSEQ 2:17)
23X-RAY DIFFRACTION23CHAIN D AND (RESSEQ 18:25)
24X-RAY DIFFRACTION24CHAIN D AND (RESSEQ 26:39)
25X-RAY DIFFRACTION25CHAIN D AND (RESSEQ 40:51)
26X-RAY DIFFRACTION26CHAIN D AND (RESSEQ 52:67)
27X-RAY DIFFRACTION27CHAIN D AND (RESSEQ 68:83)
28X-RAY DIFFRACTION28CHAIN D AND (RESSEQ 84:99)
29X-RAY DIFFRACTION29CHAIN D AND (RESSEQ 100:118)
30X-RAY DIFFRACTION30CHAIN D AND (RESSEQ 119:128)

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