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- PDB-6m9r: Crystal structure of SznF from Streptomyces achromogenes var. str... -

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Entry
Database: PDB / ID: 6m9r
TitleCrystal structure of SznF from Streptomyces achromogenes var. streptozoticus NRRL 2697 with a bound N(delta)-hydroxy-N(omega)-methyl-L-arginine intermediate
ComponentsSznF
KeywordsOXIDOREDUCTASE / non-heme iron-dependent / cupin domain / helix bundle / monooxygenase / N-nitrosation / L-arginine derivative / metal-bound / ligand-bound / anaerobic
Function / homology: / Chem-J9Y
Function and homology information
Biological speciesStreptomyces achromogenes subsp. streptozoticus (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.69 Å
AuthorsRohac, R. / Mitchell, A.J. / Boal, A.K.
Funding support United States, 1items
OrganizationGrant numberCountry
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)119707 United States
CitationJournal: Nature / Year: 2019
Title: An N-nitrosating metalloenzyme constructs the pharmacophore of streptozotocin.
Authors: Ng, T.L. / Rohac, R. / Mitchell, A.J. / Boal, A.K. / Balskus, E.P.
History
DepositionAug 24, 2018Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 6, 2019Provider: repository / Type: Initial release
Revision 1.1Feb 13, 2019Group: Data collection / Database references / Category: citation
Item: _citation.journal_id_ISSN / _citation.journal_volume ..._citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last
Revision 1.2Nov 13, 2019Group: Database references / Category: citation
Item: _citation.journal_id_ISSN / _citation.pdbx_database_id_PubMed / _citation.title
Revision 1.3Jan 1, 2020Group: Author supporting evidence / Category: pdbx_audit_support / Item: _pdbx_audit_support.funding_organization
Revision 1.4Oct 11, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / struct_conn / struct_ncs_dom_lim
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_label_asym_id / _struct_ncs_dom_lim.beg_auth_comp_id / _struct_ncs_dom_lim.beg_label_asym_id / _struct_ncs_dom_lim.beg_label_comp_id / _struct_ncs_dom_lim.beg_label_seq_id / _struct_ncs_dom_lim.end_auth_comp_id / _struct_ncs_dom_lim.end_label_asym_id / _struct_ncs_dom_lim.end_label_comp_id / _struct_ncs_dom_lim.end_label_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: SznF
B: SznF
hetero molecules


Theoretical massNumber of molelcules
Total (without water)108,2636
Polymers107,7422
Non-polymers5204
Water17,637979
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area6270 Å2
ΔGint-42 kcal/mol
Surface area33540 Å2
MethodPISA
Unit cell
Length a, b, c (Å)57.950, 107.730, 150.540
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21B

NCS domain segments:

Component-ID: _ / Ens-ID: 1 / Beg auth comp-ID: VAL / Beg label comp-ID: VAL / End auth comp-ID: LEU / End label comp-ID: LEU / Refine code: _ / Auth seq-ID: 4 - 471 / Label seq-ID: 4 - 471

Dom-IDAuth asym-IDLabel asym-ID
1AA
2BB

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Components

#1: Protein SznF


Mass: 53871.184 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Streptomyces achromogenes subsp. streptozoticus (bacteria)
Strain: NRRL 2697 / Gene: sznf / Plasmid: pET-21b / Production host: Escherichia coli BL21(DE3) (bacteria) / References: Oxidoreductases
#2: Chemical ChemComp-J9Y / (2S)-2-amino-5-{[(E)-amino(methylamino)methylidene](hydroxy)azaniumyl}pentanoate


Type: L-peptide linking / Mass: 204.227 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C7H16N4O3
#3: Chemical ChemComp-FE / FE (III) ION


Mass: 55.845 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Fe
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 979 / 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: 2.19 Å3/Da / Density % sol: 43.94 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 8.5
Details: 0.1 M Tris, pH 8.5, 0.1 M magnesium chloride, 14-20% w/v PEG4000

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 21-ID-G / Wavelength: 0.97856 Å
DetectorType: MARMOSAIC 300 mm CCD / Detector: CCD / Date: Feb 9, 2018
RadiationMonochromator: Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97856 Å / Relative weight: 1
ReflectionResolution: 1.685→54.09 Å / Num. obs: 107050 / % possible obs: 99.9 % / Redundancy: 8.2 % / Biso Wilson estimate: 24 Å2 / CC1/2: 0.998 / Rmerge(I) obs: 0.084 / Rrim(I) all: 0.089 / Net I/σ(I): 14.01
Reflection shellResolution: 1.69→1.79 Å / Redundancy: 8.2 % / Rmerge(I) obs: 0.877 / Mean I/σ(I) obs: 2.52 / CC1/2: 0.825 / Rrim(I) all: 0.935 / % possible all: 99.9

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Processing

Software
NameVersionClassification
REFMAC5.8.0049refinement
XDSVERSION Jan 26, 2018data reduction
XSCALEVERSION Jan 26, 2018data scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB entry 6M9S
Resolution: 1.69→54.08 Å / Cor.coef. Fo:Fc: 0.969 / Cor.coef. Fo:Fc free: 0.961 / SU B: 4.233 / SU ML: 0.073 / Cross valid method: THROUGHOUT / ESU R: 0.104 / ESU R Free: 0.095
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. 10 cycles of TLS refinement using isotropic temperature factors (11 groups for each molecule of a.u.) followed by 10 cycles of maximum ...Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. 10 cycles of TLS refinement using isotropic temperature factors (11 groups for each molecule of a.u.) followed by 10 cycles of maximum likelihood restrained refinement with 0.07 weighting term, 0.035 jelly-body refinement and automatically generated local NCS restraints.
RfactorNum. reflection% reflectionSelection details
Rfree0.19076 5310 5 %RANDOM
Rwork0.17018 ---
obs0.17121 100867 99.98 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å
Displacement parametersBiso mean: 33.041 Å2
Baniso -1Baniso -2Baniso -3
1-0.11 Å20 Å20 Å2
2--0.79 Å20 Å2
3----0.9 Å2
Refinement stepCycle: 1 / Resolution: 1.69→54.08 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms7303 0 30 979 8312
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0070.0197741
X-RAY DIFFRACTIONr_bond_other_d0.0030.027127
X-RAY DIFFRACTIONr_angle_refined_deg1.1721.94910538
X-RAY DIFFRACTIONr_angle_other_deg0.9293.00216342
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.0515946
X-RAY DIFFRACTIONr_dihedral_angle_2_deg31.01623.15400
X-RAY DIFFRACTIONr_dihedral_angle_3_deg12.427151231
X-RAY DIFFRACTIONr_dihedral_angle_4_deg17.6281565
X-RAY DIFFRACTIONr_chiral_restr0.0730.21115
X-RAY DIFFRACTIONr_gen_planes_refined0.0050.0218951
X-RAY DIFFRACTIONr_gen_planes_other0.0030.021930
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.5791.4973748
X-RAY DIFFRACTIONr_mcbond_other0.5781.4973748
X-RAY DIFFRACTIONr_mcangle_it0.9312.2374706
X-RAY DIFFRACTIONr_mcangle_other0.9312.2374707
X-RAY DIFFRACTIONr_scbond_it0.8881.6073993
X-RAY DIFFRACTIONr_scbond_other0.8881.6073994
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other1.4452.3725833
X-RAY DIFFRACTIONr_long_range_B_refined4.73615.23935202
X-RAY DIFFRACTIONr_long_range_B_other4.31314.41434054
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
Refine LS restraints NCS

Ens-ID: 1 / Number: 27350 / Refine-ID: X-RAY DIFFRACTION / Type: interatomic distance / Rms dev position: 0.09 Å / Weight position: 0.05

Dom-IDAuth asym-ID
1A
2B
LS refinement shellResolution: 1.69→1.734 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.279 388 -
Rwork0.275 7365 -
obs--99.99 %
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)
11.4355-0.0569-1.46240.44790.23752.34590.13660.03520.1281-0.00610.02780.0004-0.2957-0.0797-0.16440.09470.03720.02230.08810.0210.12025.00715.920743.8124
21.6455-0.3816-1.40371.22330.02873.2526-0.1223-0.7423-0.0760.14910.0983-0.16530.30321.10680.0240.05810.1026-0.00690.46210.01360.084323.75626.683955.5301
32.3539-0.2128-1.93281.8982-0.63365.0933-0.4122-0.2095-0.22850.30680.0465-0.02830.62870.27790.36570.1970.07090.08820.08980.03510.1294-1.0016-4.141460.4002
46.5639-1.2472-2.76841.77610.56833.2023-0.448-0.4835-0.40120.240.16930.08420.57260.32920.27870.13260.08930.05620.12480.05840.114421.017-4.153139.0616
521.95875.62874.35151.91541.08495.6077-0.2524-0.5538-0.16310.0043-0.06420.29930.3482-0.25910.31660.25180.06010.10690.05490.05230.280215.0963-10.279440.6311
61.6634-0.3313-0.44463.1594-0.13243.9293-0.24830.2767-0.3097-0.2378-0.047-0.02840.6985-0.2490.29530.1704-0.0480.10250.1123-0.02240.0976-2.8087-3.89647.135
72.9527-0.2162-2.42680.10270.2392.7643-0.279-0.3854-0.22150.08220.10270.01870.37930.51460.17630.08770.09930.02410.22950.05130.097917.46941.364450.7566
86.6058-2.0855-1.24172.7318-0.34494.5843-0.58640.0713-0.49440.1736-0.0630.05741.19980.3650.64940.4230.12680.26220.04980.07770.18413.7295-15.49956.669
93.8597-0.3085-1.78621.77490.37716.3933-0.5023-0.7732-0.45650.12430.25270.01410.90871.20830.24960.17690.29570.07460.58580.16040.120430.1977-5.37550.6694
103.1672-0.7801-1.98110.82860.39593.7052-0.1248-0.33630.11410.18030.10210.0081-0.1090.25320.02280.10960.06290.00840.12060.01730.0656-1.607211.465669.5028
111.5941-0.445-0.80571.41110.37732.90930.08260.0640.14680.07190.00040.065-0.4602-0.2869-0.0830.12960.09570.04560.12460.02980.1051-10.727719.017563.5627
121.4203-0.3442-1.32180.50380.32132.21680.2343-0.22350.2094-0.08480.0606-0.0656-0.39350.2844-0.29490.119-0.06410.05330.1084-0.0370.136626.803416.225129.5499
132.28080.5044-0.73990.81860.79723.07390.0420.6093-0.1609-0.0929-0.06740.08220.0357-0.73320.02540.0640.0278-0.01250.2802-0.02110.09068.85967.359715.8154
142.7678-0.6809-2.44711.36351.52096.3041-0.01380.1173-0.1757-0.1034-0.07290.08170.1432-0.14010.08680.07730.00780.00210.0821-0.00680.134332.224-2.287411.8415
154.43540.8291-2.67082.28390.28353.3199-0.45130.3741-0.4491-0.13940.0762-0.00910.6334-0.2230.37510.1512-0.03640.07550.0669-0.01880.134511.0763-5.75831.1821
161.3948-0.1727-0.48493.8961.83694.6707-0.0805-0.3654-0.09840.4360.00780.13320.73460.37950.07270.12410.050.02260.15740.03110.047433.8557-3.75424.2999
172.93990.2184-1.95910.36170.1452.0453-0.12350.2492-0.2663-0.0488-0.0226-0.01370.1687-0.35110.14610.0472-0.01940.00760.1325-0.00670.087113.88922.717521.1479
184.7950.2356-2.2071.85310.70364.5425-0.17380.0285-0.33930.169-0.0920.17050.7031-0.06410.26580.1716-0.01660.06820.0228-0.01350.122929.7588-12.63912.8037
193.5564-0.656-2.13271.15321.02942.2905-0.29680.4521-0.61030.1224-0.07550.09210.5892-0.7170.37230.2521-0.28590.04470.4262-0.12360.13545.4686-6.505319.1903
204.27510.5248-2.69551.1694-0.13453.3940.14340.26620.0819-0.18610.0046-0.0766-0.3292-0.1142-0.1480.12410.00650.03730.07580.01560.06732.604210.30854.7961
211.03286.34553.474253.520928.430815.15080.37250.50220.3036-1.8679-0.4854-0.0063-0.7765-0.15940.11281.28881.19160.63612.22010.65270.332139.742731.428-4.0425
222.75220.0899-1.71511.3627-0.08883.01230.5024-0.21890.4823-0.1865-0.0061-0.1618-0.82260.4755-0.49630.2748-0.15180.18890.1214-0.07830.189642.696620.20889.7891
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A4 - 113
2X-RAY DIFFRACTION2A114 - 150
3X-RAY DIFFRACTION3A157 - 188
4X-RAY DIFFRACTION4A189 - 207
5X-RAY DIFFRACTION5A208 - 221
6X-RAY DIFFRACTION6A222 - 249
7X-RAY DIFFRACTION7A250 - 284
8X-RAY DIFFRACTION8A285 - 317
9X-RAY DIFFRACTION9A318 - 346
10X-RAY DIFFRACTION10A347 - 390
11X-RAY DIFFRACTION11A391 - 471
12X-RAY DIFFRACTION12B3 - 113
13X-RAY DIFFRACTION13B114 - 158
14X-RAY DIFFRACTION14B159 - 188
15X-RAY DIFFRACTION15B189 - 214
16X-RAY DIFFRACTION16B215 - 249
17X-RAY DIFFRACTION17B250 - 283
18X-RAY DIFFRACTION18B284 - 309
19X-RAY DIFFRACTION19B310 - 347
20X-RAY DIFFRACTION20B348 - 383
21X-RAY DIFFRACTION21B384 - 391
22X-RAY DIFFRACTION22B392 - 471

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