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- PDB-3fn8: Crystal Structure of MerB complexed with mercury -

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Basic information

Entry
Database: PDB / ID: 3fn8
TitleCrystal Structure of MerB complexed with mercury
ComponentsAlkylmercury lyase
KeywordsLYASE / Winged-helix / Mercuric resistance / Mercury
Function / homology
Function and homology information


alkylmercury lyase / alkylmercury lyase activity / : / response to mercury ion
Similarity search - Function
Beta-Lactamase - #410 / Alkylmercury lyase, helix-turn-helix domain / Helix-turn-helix domain of alkylmercury lyase / Alkylmercury lyase / Alkylmercury lyase / Beta-Lactamase / Winged helix DNA-binding domain superfamily / 2-Layer Sandwich / Alpha Beta
Similarity search - Domain/homology
: / Alkylmercury lyase
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MAD / Resolution: 1.88 Å
AuthorsMomany, C. / Summers, A. / Cagle, C. / Teske, J.
CitationJournal: TO BE PUBLISHED
Title: Crystal Structure of MerB complexed with mercury
Authors: Momany, C. / Summers, A. / Cagle, C. / Teske, J.
History
DepositionDec 23, 2008Deposition site: RCSB / Processing site: RCSB
Revision 1.0Mar 3, 2009Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Advisory / Version format compliance
Revision 1.2Nov 1, 2017Group: Refinement description / Category: software
Revision 1.3Feb 21, 2024Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / 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 / _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

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Assembly

Deposited unit
A: Alkylmercury lyase
B: Alkylmercury lyase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)48,8446
Polymers48,2592
Non-polymers5854
Water5,098283
1
A: Alkylmercury lyase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)24,4223
Polymers24,1291
Non-polymers2932
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: Alkylmercury lyase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)24,4223
Polymers24,1291
Non-polymers2932
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)38.638, 88.972, 54.680
Angle α, β, γ (deg.)90.000, 97.160, 90.000
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein Alkylmercury lyase / Organomercurial lyase


Mass: 24129.422 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli) / Gene: merB / Plasmid: pQZB1 / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: P77072, alkylmercury lyase
#2: Chemical ChemComp-HG / MERCURY (II) ION


Mass: 200.590 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Hg
#3: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C3H8O3
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 283 / 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: 1.93 Å3/Da / Density % sol: 36.35 %
Crystal growTemperature: 283 K / pH: 7
Details: 2 microliter protein (in 20 mM tris pH 8, 0.5 mM EDTA, 5% v/v glycerol) mixed with 2 microliter precipitant (40% w/v PEG 550 monomethylether, 100 mM Magnesium chloride, 100 mM 2-[N- ...Details: 2 microliter protein (in 20 mM tris pH 8, 0.5 mM EDTA, 5% v/v glycerol) mixed with 2 microliter precipitant (40% w/v PEG 550 monomethylether, 100 mM Magnesium chloride, 100 mM 2-[N-morpholino]ethanesulfonic acid monohydrate) over 1ml well of 40% w/v PEG 550 monomethylether, VAPOR DIFFUSION, HANGING DROP, temperature 283K

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Data collection

Diffraction
IDMean temperature (K)Crystal-ID
11001
21001
1,21
Diffraction source
SourceSiteBeamlineTypeIDWavelength (Å)
SYNCHROTRONAPS 19-BM11.0073
ROTATING ANODEENRAF-NONIUS FR59121.54184
Detector
TypeIDDetectorDateDetails
MARRESEARCH1CCDNov 15, 2003mirrors
Nonius Kappa CCD2CCDOct 15, 2003monochromator
Radiation
IDProtocolMonochromatic (M) / Laue (L)Scattering typeWavelength-IDMonochromator
1SINGLE WAVELENGTHMx-ray1
2SINGLE WAVELENGTHMx-ray1GRAPHITE
Radiation wavelength
IDWavelength (Å)Relative weight
11.00731
21.541841
ReflectionResolution: 1.87→50 Å / Num. all: 20330 / Num. obs: 20330 / % possible obs: 65.9 % / Observed criterion σ(F): -1 / Observed criterion σ(I): -1 / Redundancy: 7.7 % / Rmerge(I) obs: 0.071 / Rsym value: 0.071 / Net I/σ(I): 29.67
Reflection shellResolution: 1.87→1.94 Å / Redundancy: 1.7 % / Rmerge(I) obs: 0 / Mean I/σ(I) obs: 2.1 / % possible all: 3.8

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Phasing

PhasingMethod: MAD
Phasing set
ID
1
2
Phasing MAD set
Clust-IDExpt-IDSet-IDWavelength (Å)F double prime refinedF prime refined
12 wavelength11.007310.91-14.96
12 wavelength21.541810.89-4.16
Phasing MAD set site
IDAtom type symbolB isoFract xFract yFract zOccupancy
1Hg41.8070.6830.4780.3790.762
2Hg53.6280.1480.960.2380.893
Phasing dmFOM : 0.58 / FOM acentric: 0.58 / FOM centric: 0.6 / Reflection: 18937 / Reflection acentric: 18344 / Reflection centric: 593
Phasing dm shell
Resolution (Å)FOM FOM acentricFOM centricReflectionReflection acentricReflection centric
5.7-35.2080.920.930.86109299696
3.6-5.70.920.920.8333073158149
2.9-3.60.80.810.6241313998133
2.5-2.90.470.470.3841234015108
2.1-2.50.30.30.294822473488
2-2.10.160.160.111462144319

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Processing

Software
NameVersionClassificationNB
DENZOdata reduction
SCALEPACKdata scaling
SOLVE2.05phasing
RESOLVE2.06phasing
REFMACrefinement
PDB_EXTRACT3.006data extraction
HKL-2000data collection
RefinementMethod to determine structure: MAD / Resolution: 1.88→46.32 Å / Cor.coef. Fo:Fc: 0.955 / Cor.coef. Fo:Fc free: 0.922 / Occupancy max: 1 / Occupancy min: 0.2 / SU B: 8.674 / SU ML: 0.14 / TLS residual ADP flag: LIKELY RESIDUAL / Isotropic thermal model: ISOTROPIC / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: 22 group TLS refinement defined by TLS Motion Determination (TLSMD) http://skuld.bmsc.washington.edu/~tlsmd/
RfactorNum. reflection% reflection
Rfree0.248 1021 5 %
Rwork0.184 --
obs0.187 20230 67.4 %
all-20230 -
Solvent computationSolvent model: BABINET MODEL WITH MASK
Displacement parametersBiso mean: 39.61 Å2
Baniso -1Baniso -2Baniso -3
1-3.87 Å20 Å21.43 Å2
2---2.26 Å20 Å2
3----1.25 Å2
Refinement stepCycle: LAST / Resolution: 1.88→46.32 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3190 0 14 283 3487
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0070.0223294
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.0631.9664497
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.1635426
X-RAY DIFFRACTIONr_dihedral_angle_2_deg37.28423.284134
X-RAY DIFFRACTIONr_dihedral_angle_3_deg13.69415524
X-RAY DIFFRACTIONr_dihedral_angle_4_deg14.1311524
X-RAY DIFFRACTIONr_chiral_restr0.0690.2532
X-RAY DIFFRACTIONr_gen_planes_refined0.0030.022478
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined0.1830.21567
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined0.2930.22268
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1060.2252
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.1560.272
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.1050.227
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.4222166
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it0.73833394
X-RAY DIFFRACTIONr_scbond_it1.92261279
X-RAY DIFFRACTIONr_scangle_it3.013101100
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.88→1.93 Å
RfactorNum. reflection% reflection
Rfree0.476 5 -
Rwork0.364 102 -
obs--4.81 %
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)
127.956-3.2148-2.52971.16154.758825.44-0.26170.24871.9273-0.4960.6066-0.3974-1.66540.5893-0.3449-0.0662-0.04760.0459-0.03650.0158-0.071526.57349.30654.035
213.08413.0847-2.359434.43262.09452.5740.36351.5173-0.6255-0.0721-0.19411.02670.1705-0.974-0.1694-0.0249-0.05790.09950.1619-0.15450.026819.83735.77651.134
35.21042.3515-0.75610.29911.72774.60150.1103-0.178-0.28320.4269-0.3506-0.64860.28770.0240.2403-0.08380.0012-0.0049-0.10930.0111-0.126230.01123.67842.763
410.0918-6.2701-0.297221.4403-3.95927.01380.2389-0.24490.02030.7267-0.24080.85210.2238-0.43320.0019-0.0312-0.11960.0451-0.0328-0.1927-0.139320.07321.35846.778
511.01622.89254.53568.45191.33774.91940.2482-0.19980.1445-0.5639-0.21610.02740.1138-0.2491-0.0321-0.0730.04340.0169-0.11550.0031-0.107625.31527.66635.013
63.98130.5968-3.12126.4671.95947.53810.0399-0.1044-0.2579-0.53730.1031-0.65060.20990.4006-0.143-0.1105-0.01480.0403-0.07870.025-0.04336.21735.66238.072
72.80251.3409-1.05314.4417-1.55965.3114-0.0983-0.311-0.2591-0.3378-0.1275-1.09320.10250.70410.2257-0.2064-0.01250.0612-0.02980.04080.039742.20941.57141.485
833.47646.7316-6.74726.5211.16076.5687-0.45780.2950.8097-0.34790.2093-0.3178-0.19460.0310.2485-0.1098-0.0817-0.0695-0.05290.0665-0.14134.76350.12543.172
923.96225.6292-10.52.0185-9.286871.42220.31540.21580.06370.2302-0.20760.512-0.6022-3.0913-0.10780.0179-0.0644-0.03950.2132-0.11630.068418.56541.58241.028
101.1538-0.6510.37586.6968-2.40013.8317-0.0195-0.28460.06260.07560.0288-0.0387-0.438-0.0496-0.0093-0.1052-0.0096-0.0171-0.0154-0.0242-0.136731.04549.66244.921
1152.814812.89327.209828.7866-3.807932.5075-0.16840.5342-3.04550.22071.45270.43914.0008-0.521-1.28430.19390.08450.07650.04630.2150.155727.13129.28559.403
1212.56676.4327-4.050626.4256-5.536912.43370.19380.10530.41560.40680.04250.0462-0.2950.3575-0.2363-0.1763-0.0180.0403-0.03560.0157-0.198829.08946.2178.798
138.5628.4094-2.4168.2594-2.37290.68170.06020.3779-0.7805-0.8866-0.3175-1.08741.02130.00070.25740.20650.02140.1362-0.0042-0.02380.082824.38830.95911.129
143.9083-4.1686-6.348617.00091.734712.3333-0.25690.1292-0.175-0.04020.24471.04610.8864-0.930.01220.047-0.1662-0.088-0.07810.0002-0.078312.00328.4920.317
1518.82536.15725.55339.26821.71215.06260.55250.1256-0.3765-0.4866-0.4777-0.34112.20590.2526-0.07490.3647-0.00150.1511-0.2538-0.0012-0.127619.98921.3814.555
164.4047-2.91541.018210.2236-3.30344.01080.19780.22310.1082-0.2746-0.0813-0.25050.30690.0031-0.1166-0.0133-0.0069-0.0271-0.13-0.0253-0.101819.87429.58225.604
1712.19821.13863.57369.810.154213.152-0.1017-0.3909-0.43090.50140.07540.59540.391-1.01850.0263-0.0091-0.00690.0576-0.0522-0.0493-0.095910.7741.67127.033
182.8448-1.12060.68743.06620.06231.9469-0.0148-0.0279-0.2618-0.18520.10880.1699-0.0048-0.211-0.094-0.0477-0.0059-0.0018-0.08770.0208-0.071913.59842.43519.013
193.6895-0.7660.74751.7129-0.50822.53830.06860.11720.09990.1275-0.0665-0.0183-0.3208-0.1047-0.0021-0.0273-0.0066-0.0104-0.12790.0163-0.075816.59852.8620.937
204.4362.49090.00471.8539-1.51185.0382-0.1760.2181-0.4630.3862-0.286-0.26790.40320.61040.462-0.0252-0.0219-0.0144-0.00650.0142-0.050427.35846.9722.251
211.87370.02141.66151.31781.0214.504-0.16080.43260.2337-0.05930.0247-0.0578-0.19670.61450.1361-0.0542-0.04380.028-0.00870.0354-0.070825.75252.76916.166
226.183415.325514.9946.150735.613436.62990.38421.0876-0.63780.74082.108-1.18762.5931-0.0979-2.49220.46860.02610.11260.3542-0.08150.112318.76734.0693.23
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A1 - 8
2X-RAY DIFFRACTION2A9 - 20
3X-RAY DIFFRACTION3A21 - 41
4X-RAY DIFFRACTION4A42 - 60
5X-RAY DIFFRACTION5A61 - 78
6X-RAY DIFFRACTION6A79 - 105
7X-RAY DIFFRACTION7A106 - 136
8X-RAY DIFFRACTION8A137 - 148
9X-RAY DIFFRACTION9A149 - 156
10X-RAY DIFFRACTION10A157 - 204
11X-RAY DIFFRACTION11A205 - 209
12X-RAY DIFFRACTION12B1 - 13
13X-RAY DIFFRACTION13B14 - 25
14X-RAY DIFFRACTION14B26 - 40
15X-RAY DIFFRACTION15B41 - 58
16X-RAY DIFFRACTION16B59 - 78
17X-RAY DIFFRACTION17B79 - 91
18X-RAY DIFFRACTION18B92 - 112
19X-RAY DIFFRACTION19B113 - 149
20X-RAY DIFFRACTION20B150 - 169
21X-RAY DIFFRACTION21B170 - 202
22X-RAY DIFFRACTION22B203 - 209

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