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- PDB-2vv5: The open structure of MscS -

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Open data


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Basic information

Entry
Database: PDB / ID: 2vv5
TitleThe open structure of MscS
ComponentsSMALL-CONDUCTANCE MECHANOSENSITIVE CHANNEL
KeywordsMEMBRANE PROTEIN / ION TRANSPORT / TRANSMEMBRANE / INNER MEMBRANE / MEMBRANE STRUCTURE / MEMBRANE / TRANSPORT / OPEN CHANNEL / IONIC CHANNEL
Function / homology
Function and homology information


intracellular water homeostasis / mechanosensitive monoatomic ion channel activity / monoatomic ion transmembrane transport / protein homooligomerization / membrane / identical protein binding / plasma membrane
Similarity search - Function
Helix Hairpins - #1260 / SH3 type barrels. - #60 / Mechanosensitive ion channel MscS, archaea/bacteria type / Conserved TM helix / Mechanosensitive ion channel, conserved TM helix / : / : / Mechanosensitive ion channel MscS, C-terminal / Mechanosensitive ion channel, transmembrane helices 2/3 / Mechanosensitive ion channel MscS, conserved site ...Helix Hairpins - #1260 / SH3 type barrels. - #60 / Mechanosensitive ion channel MscS, archaea/bacteria type / Conserved TM helix / Mechanosensitive ion channel, conserved TM helix / : / : / Mechanosensitive ion channel MscS, C-terminal / Mechanosensitive ion channel, transmembrane helices 2/3 / Mechanosensitive ion channel MscS, conserved site / Uncharacterized protein family UPF0003 signature. / Mechanosensitive ion channel MscS, C-terminal / Mechanosensitive ion channel MscS, transmembrane-2 / Mechanosensitive ion channel MscS / Mechanosensitive ion channel, beta-domain / Mechanosensitive ion channel MscS, beta-domain superfamily / Alpha-Beta Plaits - #100 / LSM domain superfamily / SH3 type barrels. / Helix Hairpins / Roll / Alpha-Beta Plaits / 2-Layer Sandwich / Orthogonal Bundle / Mainly Beta / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
Small-conductance mechanosensitive channel / Small-conductance mechanosensitive channel
Similarity search - Component
Biological speciesESCHERICHIA COLI (E. coli)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.45 Å
AuthorsWang, W. / Dong, C. / Johnson, K.A. / Naismith, J.H.
CitationJournal: Science / Year: 2008
Title: The Structure of an Open Form of an E. Coli Mechanosensitive Channel at 3.45 A Resolution.
Authors: Wang, W. / Black, S.S. / Edwards, M.D. / Miller, S. / Morrison, E.L. / Bartlett, W. / Dong, C. / Naismith, J.H. / Booth, I.R.
History
DepositionJun 3, 2008Deposition site: PDBE / Processing site: PDBE
Revision 1.0Aug 5, 2008Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Advisory / Version format compliance
Revision 1.2Dec 13, 2023Group: Data collection / Database references ...Data collection / Database references / Other / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / pdbx_initial_refinement_model / struct_ncs_dom_lim
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.status_code_sf / _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
Remark 700 SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AA" IN EACH CHAIN ON SHEET RECORDS BELOW ... SHEET DETERMINATION METHOD: DSSP THE SHEETS PRESENTED AS "AA" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 34-STRANDED BARREL THIS IS REPRESENTED BY A 35-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL. THE SHEETS PRESENTED AS "AC" IN EACH CHAIN ON SHEET RECORDS BELOW IS ACTUALLY AN 6-STRANDED BARREL THIS IS REPRESENTED BY A 7-STRANDED SHEET IN WHICH THE FIRST AND LAST STRANDS ARE IDENTICAL.

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: SMALL-CONDUCTANCE MECHANOSENSITIVE CHANNEL
B: SMALL-CONDUCTANCE MECHANOSENSITIVE CHANNEL
C: SMALL-CONDUCTANCE MECHANOSENSITIVE CHANNEL
D: SMALL-CONDUCTANCE MECHANOSENSITIVE CHANNEL
E: SMALL-CONDUCTANCE MECHANOSENSITIVE CHANNEL
F: SMALL-CONDUCTANCE MECHANOSENSITIVE CHANNEL
G: SMALL-CONDUCTANCE MECHANOSENSITIVE CHANNEL


Theoretical massNumber of molelcules
Total (without water)216,6577
Polymers216,6577
Non-polymers00
Water0
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area37220 Å2
ΔGint-243 kcal/mol
Surface area105370 Å2
MethodPQS
Unit cell
Length a, b, c (Å)230.880, 126.620, 123.220
Angle α, β, γ (deg.)90.00, 90.42, 90.00
Int Tables number5
Space group name H-MC121
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21B
31C
41D
51E
61F
71G
12A
22B
32C
42D
52E
62F
72G

NCS domain segments:
Dom-IDComponent-IDEns-IDBeg auth comp-IDBeg label comp-IDEnd auth comp-IDEnd label comp-IDRefine codeAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
111ALAALAASPASP1AA66 - 21866 - 218
211ALAALAASPASP1BB66 - 21866 - 218
311ALAALAASPASP1CC66 - 21866 - 218
411ALAALAASPASP1DD66 - 21866 - 218
511ALAALAASPASP1EE66 - 21866 - 218
611ALAALAASPASP1FF66 - 21866 - 218
711ALAALAASPASP1GG66 - 21866 - 218
121ARGARGARGARG2AA219219
221ARGARGARGARG2BB219219
321ARGARGARGARG2CC219219
421ARGARGARGARG2DD219219
521ARGARGARGARG2EE219219
621ARGARGARGARG2FF219219
721ARGARGARGARG2GG219219
131GLUGLUVALVAL1AA220 - 280220 - 280
231GLUGLUVALVAL1BB220 - 280220 - 280
331GLUGLUVALVAL1CC220 - 280220 - 280
431GLUGLUVALVAL1DD220 - 280220 - 280
531GLUGLUVALVAL1EE220 - 280220 - 280
631GLUGLUVALVAL1FF220 - 280220 - 280
731GLUGLUVALVAL1GG220 - 280220 - 280
112LEULEUVALVAL2AA25 - 6525 - 65
212LEULEUVALVAL2BB25 - 6525 - 65
312LEULEUVALVAL2CC25 - 6525 - 65
412LEULEUVALVAL2DD25 - 6525 - 65
512LEULEUVALVAL2EE25 - 6525 - 65
612LEULEUVALVAL2FF25 - 6525 - 65
712LEULEUVALVAL2GG25 - 6525 - 65

NCS ensembles :
ID
1
2

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Components

#1: Protein
SMALL-CONDUCTANCE MECHANOSENSITIVE CHANNEL / MSCS


Mass: 30950.953 Da / Num. of mol.: 7 / Mutation: YES
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) ESCHERICHIA COLI (E. coli) / Production host: ESCHERICHIA COLI (E. coli) / References: UniProt: P0C0S2, UniProt: P0C0S1*PLUS
Compound detailsENGINEERED RESIDUE IN CHAIN A, ALA 106 TO VAL ENGINEERED RESIDUE IN CHAIN B, ALA 106 TO VAL ...ENGINEERED RESIDUE IN CHAIN A, ALA 106 TO VAL ENGINEERED RESIDUE IN CHAIN B, ALA 106 TO VAL ENGINEERED RESIDUE IN CHAIN C, ALA 106 TO VAL ENGINEERED RESIDUE IN CHAIN D, ALA 106 TO VAL ENGINEERED RESIDUE IN CHAIN E, ALA 106 TO VAL ENGINEERED RESIDUE IN CHAIN F, ALA 106 TO VAL ENGINEERED RESIDUE IN CHAIN G, ALA 106 TO VAL

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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: 4.7 Å3/Da / Density % sol: 73.61 % / Description: NONE
Crystal growpH: 7.5
Details: THE BEST CRYSTALS (BY VISUAL INSPECTION) WERE OBTAINED USING 0.1M HEPES PH 7.2, 0.2 M SODIUM FORMATE, 14 % PEG3350, 8 % GLYCEROL AS PRECIPITANT. PRIOR TO DATA COLLECTION, CRYSTALS WERE ...Details: THE BEST CRYSTALS (BY VISUAL INSPECTION) WERE OBTAINED USING 0.1M HEPES PH 7.2, 0.2 M SODIUM FORMATE, 14 % PEG3350, 8 % GLYCEROL AS PRECIPITANT. PRIOR TO DATA COLLECTION, CRYSTALS WERE TRANSFERRED INTO A SOLUTION CONTAINING 40MM TRIS PH 7.5, 0.01% FOS-CHOLINE-14, 0.15 M NACL, 0.3 M SODIUM FORMATE, 20% GLYCEROL AND 22% PEG3350.

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID14-2 / Wavelength: 0.9
DetectorType: ADSC CCD / Detector: CCD
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9 Å / Relative weight: 1
ReflectionResolution: 3.45→37 Å / Num. obs: 46433 / % possible obs: 99 % / Observed criterion σ(I): 0 / Redundancy: 4.2 % / Rmerge(I) obs: 0.08 / Net I/σ(I): 12
Reflection shellResolution: 3.45→3.55 Å / Redundancy: 4 % / Rmerge(I) obs: 0.8 / Mean I/σ(I) obs: 1.8 / % possible all: 99

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Processing

Software
NameVersionClassification
REFMAC5.2.0019refinement
XDSdata reduction
MOSFLMdata reduction
SCALAdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2OAU
Resolution: 3.45→123.09 Å / Cor.coef. Fo:Fc: 0.882 / Cor.coef. Fo:Fc free: 0.887 / SU B: 77.976 / SU ML: 0.534 / TLS residual ADP flag: LIKELY RESIDUAL / Cross valid method: THROUGHOUT / ESU R Free: 0.612 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS.
RfactorNum. reflection% reflectionSelection details
Rfree0.312 2336 5 %RANDOM
Rwork0.293 ---
obs0.294 44094 99 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: BABINET MODEL WITH MASK
Displacement parametersBiso mean: 92.6 Å2
Baniso -1Baniso -2Baniso -3
1--0.67 Å20 Å210.14 Å2
2---3.68 Å20 Å2
3---4.49 Å2
Refinement stepCycle: LAST / Resolution: 3.45→123.09 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms13692 0 0 0 13692
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0120.02213867
X-RAY DIFFRACTIONr_bond_other_d0.0020.029233
X-RAY DIFFRACTIONr_angle_refined_deg1.2471.96318809
X-RAY DIFFRACTIONr_angle_other_deg0.925322477
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.36751785
X-RAY DIFFRACTIONr_dihedral_angle_2_deg38.2723.125560
X-RAY DIFFRACTIONr_dihedral_angle_3_deg18.076152408
X-RAY DIFFRACTIONr_dihedral_angle_4_deg18.39915126
X-RAY DIFFRACTIONr_chiral_restr0.070.22310
X-RAY DIFFRACTIONr_gen_planes_refined0.0030.0215407
X-RAY DIFFRACTIONr_gen_planes_other0.0020.022877
X-RAY DIFFRACTIONr_nbd_refined0.2380.23076
X-RAY DIFFRACTIONr_nbd_other0.1840.29535
X-RAY DIFFRACTIONr_nbtor_refined0.1860.27135
X-RAY DIFFRACTIONr_nbtor_other0.0820.27992
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1330.2253
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.3680.28
X-RAY DIFFRACTIONr_symmetry_vdw_other0.4690.216
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.4330.23
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.4351.511490
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it0.476214315
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it0.72135723
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it1.0784.54494
X-RAY DIFFRACTIONr_scangle_other
X-RAY DIFFRACTIONr_long_range_B_refined
X-RAY DIFFRACTIONr_long_range_B_other
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
Refine LS restraints NCS

Refine-ID: X-RAY DIFFRACTION

Ens-IDDom-IDAuth asym-IDNumberTypeRms dev position (Å)Weight position
11A2756tight positional0.030.05
12B2756tight positional0.030.05
13C2756tight positional0.030.05
14D2756tight positional0.020.05
15E2756tight positional0.020.05
16F2756tight positional0.020.05
17G2756tight positional0.020.05
21A244tight positional0.020.05
22B244tight positional0.020.05
23C244tight positional0.020.05
24D244tight positional0.020.05
25E244tight positional0.020.05
26F244tight positional0.020.05
27G244tight positional0.020.05
11A18medium positional0.920.5
12B18medium positional1.90.5
13C18medium positional1.270.5
14D18medium positional0.920.5
15E18medium positional0.910.5
16F18medium positional1.450.5
17G18medium positional1.460.5
21A257medium positional0.620.5
22B257medium positional0.430.5
23C257medium positional0.420.5
24D257medium positional0.480.5
25E257medium positional0.420.5
26F257medium positional0.670.5
27G257medium positional0.490.5
11A2756tight thermal0.040.5
12B2756tight thermal0.040.5
13C2756tight thermal0.040.5
14D2756tight thermal0.040.5
15E2756tight thermal0.040.5
16F2756tight thermal0.030.5
17G2756tight thermal0.040.5
21A244tight thermal0.030.5
22B244tight thermal0.030.5
23C244tight thermal0.030.5
24D244tight thermal0.020.5
25E244tight thermal0.020.5
26F244tight thermal0.020.5
27G244tight thermal0.020.5
11A18medium thermal0.272
12B18medium thermal0.562
13C18medium thermal0.22
14D18medium thermal0.212
15E18medium thermal0.262
16F18medium thermal0.292
17G18medium thermal0.172
21A257medium thermal0.162
22B257medium thermal0.172
23C257medium thermal0.162
24D257medium thermal0.122
25E257medium thermal0.132
26F257medium thermal0.132
27G257medium thermal0.122
LS refinement shellResolution: 3.45→3.54 Å / Total num. of bins used: 20 /
RfactorNum. reflection
Rfree0.369 200
Rwork0.381 3242
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)
13.592-0.0059-0.88042.94610.17723.1402-0.15710.77850.0826-0.72910.2806-0.45680.14680.3571-0.1235-0.45430.06160.1268-0.2285-0.0369-0.299482.622-28.45518.74
21.3679-0.2208-0.44011.2334-0.12461.5177-0.05720.7180.0134-0.55750.0442-0.34080.08460.18850.0129-0.41840.04470.0162-0.15880.0106-0.303874.499-28.45624.37
31.94920.1093-0.02612.86050.42261.8290.00540.46930.102-0.2311-0.05420.27520.1579-0.22090.0488-0.56110.0506-0.2246-0.57330.0473-0.512153.788-28.42238.86
41.8482-0.0344-0.06662.3690.12891.45010.01690.07880.01190.0848-0.04780.70860.1001-0.56430.0309-0.72120.0145-0.0696-0.51870.002-0.146429.209-28.37856.037
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A25 - 89
2X-RAY DIFFRACTION1B25 - 89
3X-RAY DIFFRACTION1C25 - 89
4X-RAY DIFFRACTION1D25 - 89
5X-RAY DIFFRACTION1E25 - 89
6X-RAY DIFFRACTION1F25 - 89
7X-RAY DIFFRACTION1G25 - 89
8X-RAY DIFFRACTION2A90 - 126
9X-RAY DIFFRACTION2B90 - 126
10X-RAY DIFFRACTION2C90 - 126
11X-RAY DIFFRACTION2D90 - 126
12X-RAY DIFFRACTION2E90 - 126
13X-RAY DIFFRACTION2F90 - 126
14X-RAY DIFFRACTION2G90 - 126
15X-RAY DIFFRACTION3A127 - 180
16X-RAY DIFFRACTION3B127 - 180
17X-RAY DIFFRACTION3C127 - 180
18X-RAY DIFFRACTION3D127 - 180
19X-RAY DIFFRACTION3E127 - 180
20X-RAY DIFFRACTION3F127 - 180
21X-RAY DIFFRACTION3G127 - 180
22X-RAY DIFFRACTION4A181 - 280
23X-RAY DIFFRACTION4B181 - 280
24X-RAY DIFFRACTION4C181 - 280
25X-RAY DIFFRACTION4D181 - 280
26X-RAY DIFFRACTION4E181 - 280
27X-RAY DIFFRACTION4F181 - 280
28X-RAY DIFFRACTION4G181 - 280

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