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- PDB-6s5b: Non-square conformation of KtrA R16K mutant ring with bound ADP -

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Basic information

Entry
Database: PDB / ID: 6s5b
TitleNon-square conformation of KtrA R16K mutant ring with bound ADP
ComponentsKtr system potassium uptake protein A
KeywordsTRANSPORT PROTEIN / RCK domain / potassium homeostasis / cation channel / non-square conformation octameric ring / adp
Function / homology
Function and homology information


monoatomic cation transmembrane transporter activity / potassium ion transport / identical protein binding / plasma membrane
Similarity search - Function
Regulator of K+ conductance, C-terminal domain / : / Regulator of K+ conductance, N-terminal / TrkA-N domain / Regulator of K+ conductance, C-terminal / Regulator of K+ conductance, C-terminal domain superfamily / TrkA-C domain / RCK C-terminal domain profile. / RCK N-terminal domain profile. / NAD(P)-binding Rossmann-like Domain ...Regulator of K+ conductance, C-terminal domain / : / Regulator of K+ conductance, N-terminal / TrkA-N domain / Regulator of K+ conductance, C-terminal / Regulator of K+ conductance, C-terminal domain superfamily / TrkA-C domain / RCK C-terminal domain profile. / RCK N-terminal domain profile. / NAD(P)-binding Rossmann-like Domain / Alpha-Beta Plaits / NAD(P)-binding domain superfamily / Rossmann fold / 2-Layer Sandwich / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
ADENOSINE-5'-DIPHOSPHATE / Ktr system potassium uptake protein A
Similarity search - Component
Biological speciesBacillus subtilis subsp. subtilis str. 168 (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 3.052 Å
AuthorsTeixeira-Duarte, C.M. / Fonseca, F. / Morais-Cabral, J.H.
Funding support Portugal, 2items
OrganizationGrant numberCountry
Fundacao para a Ciencia e a TecnologiaPTDC/BIA-BQM/29863/2017 Portugal
Fundacao para a Ciencia e a TecnologiaPOCI-01-0145-FEDER-007274 Portugal
CitationJournal: Elife / Year: 2019
Title: Activation of a nucleotide-dependent RCK domain requires binding of a cation cofactor to a conserved site.
Authors: Teixeira-Duarte, C.M. / Fonseca, F. / Morais Cabral, J.H.
History
DepositionJul 1, 2019Deposition site: PDBE / Processing site: PDBE
Revision 1.0Jan 8, 2020Provider: repository / Type: Initial release
Revision 1.1Jan 24, 2024Group: Advisory / Data collection ...Advisory / Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / pdbx_unobs_or_zero_occ_atoms
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Ktr system potassium uptake protein A
B: Ktr system potassium uptake protein A
C: Ktr system potassium uptake protein A
D: Ktr system potassium uptake protein A
E: Ktr system potassium uptake protein A
F: Ktr system potassium uptake protein A
G: Ktr system potassium uptake protein A
H: Ktr system potassium uptake protein A
hetero molecules


Theoretical massNumber of molelcules
Total (without water)202,52816
Polymers199,1108
Non-polymers3,4188
Water00
1
A: Ktr system potassium uptake protein A
B: Ktr system potassium uptake protein A
hetero molecules

G: Ktr system potassium uptake protein A
H: Ktr system potassium uptake protein A
hetero molecules

C: Ktr system potassium uptake protein A
D: Ktr system potassium uptake protein A
hetero molecules

E: Ktr system potassium uptake protein A
F: Ktr system potassium uptake protein A
hetero molecules


Theoretical massNumber of molelcules
Total (without water)202,52816
Polymers199,1108
Non-polymers3,4188
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation1_655x+1,y,z1
crystal symmetry operation2_454-x-1/2,-y,z-1/21
crystal symmetry operation4_545x+1/2,-y-1/2,-z1
Buried area29450 Å2
ΔGint-246 kcal/mol
Surface area75670 Å2
MethodPISA
Unit cell
Length a, b, c (Å)85.818, 137.429, 202.617
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein
Ktr system potassium uptake protein A / K(+)-uptake protein KtrA


Mass: 24888.746 Da / Num. of mol.: 8 / Mutation: R16K
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Bacillus subtilis subsp. subtilis str. 168 (bacteria)
Gene: ktrA, yuaA, BSU31090 / Production host: Escherichia coli (E. coli) / References: UniProt: O32080
#2: Chemical
ChemComp-ADP / ADENOSINE-5'-DIPHOSPHATE


Mass: 427.201 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: C10H15N5O10P2 / Feature type: SUBJECT OF INVESTIGATION / Comment: ADP, energy-carrying molecule*YM
Has ligand of interestY

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 2

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Sample preparation

Crystal
IDDensity Matthews3/Da)Density % sol (%)
1359.01
2
Crystal grow
Temperature (K)Crystal-IDMethodDetails
293.151vapor diffusion100mM HEPES-NaOH pH 7.5, 6% PEG 8000, 20% ethylene glycol
293.152vapor diffusion100mM HEPES-NaOH pH 7.5, 8% PEG 8000, 20% ethylene glycol

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: ALBA / Beamline: XALOC / Wavelength: 0.97948 Å
DetectorType: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Sep 19, 2014
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97948 Å / Relative weight: 1
ReflectionResolution: 3.05→49.51 Å / Num. obs: 46032 / % possible obs: 99.2 % / Redundancy: 8.3 % / CC1/2: 0.995 / Rmerge(I) obs: 0.148 / Rpim(I) all: 0.054 / Rrim(I) all: 0.158 / Net I/σ(I): 15.9
Reflection shellResolution: 3.05→3.16 Å / Redundancy: 4.2 % / Rmerge(I) obs: 0.474 / Num. unique obs: 4076 / CC1/2: 0.886 / Rpim(I) all: 0.249 / Rrim(I) all: 0.538 / % possible all: 91.6

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Processing

Software
NameVersionClassification
PHENIX1.8.2_1309refinement
XDSdata reduction
XDSdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 4j90
Resolution: 3.052→48.168 Å / SU ML: 0.52 / Cross valid method: FREE R-VALUE / σ(F): 0.4 / Phase error: 27.86
RfactorNum. reflection% reflection
Rfree0.2429 4283 5.03 %
Rwork0.2093 --
obs0.211 46032 96.78 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å
Refinement stepCycle: LAST / Resolution: 3.052→48.168 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms13568 0 216 0 13784
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.00314008
X-RAY DIFFRACTIONf_angle_d0.7618960
X-RAY DIFFRACTIONf_dihedral_angle_d13.4795232
X-RAY DIFFRACTIONf_chiral_restr0.0292200
X-RAY DIFFRACTIONf_plane_restr0.0022376
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
3.0519-3.08660.53331080.42721722X-RAY DIFFRACTION63
3.0866-3.12290.41521290.42142497X-RAY DIFFRACTION89
3.1229-3.16090.4471580.38062431X-RAY DIFFRACTION89
3.1609-3.20090.39761430.3622542X-RAY DIFFRACTION91
3.2009-3.24310.40841710.35592639X-RAY DIFFRACTION96
3.2431-3.28750.38551450.32422651X-RAY DIFFRACTION95
3.2875-3.33440.37051520.30862661X-RAY DIFFRACTION97
3.3344-3.38420.31911290.28152762X-RAY DIFFRACTION98
3.3842-3.43710.29841540.27352752X-RAY DIFFRACTION98
3.4371-3.49340.27441840.25172662X-RAY DIFFRACTION98
3.4934-3.55360.30441410.24432782X-RAY DIFFRACTION98
3.5536-3.61820.28471270.25652715X-RAY DIFFRACTION99
3.6182-3.68780.31751510.25422758X-RAY DIFFRACTION98
3.6878-3.7630.28261200.26652799X-RAY DIFFRACTION99
3.763-3.84480.27091460.24792745X-RAY DIFFRACTION99
3.8448-3.93420.24721320.22392816X-RAY DIFFRACTION99
3.9342-4.03250.2121330.212765X-RAY DIFFRACTION100
4.0325-4.14150.30161520.1992779X-RAY DIFFRACTION100
4.1415-4.26330.24011630.19072755X-RAY DIFFRACTION100
4.2633-4.40080.23071240.18332804X-RAY DIFFRACTION99
4.4008-4.5580.22761570.16692780X-RAY DIFFRACTION100
4.558-4.74040.23681480.17462771X-RAY DIFFRACTION100
4.7404-4.95590.23131170.17612782X-RAY DIFFRACTION100
4.9559-5.21690.21431860.17742764X-RAY DIFFRACTION100
5.2169-5.54330.20071340.17312796X-RAY DIFFRACTION100
5.5433-5.97060.2141430.19032792X-RAY DIFFRACTION100
5.9706-6.57010.21751310.20042796X-RAY DIFFRACTION100
6.5701-7.51770.19531270.20562786X-RAY DIFFRACTION100
7.5177-9.45970.16631320.15972810X-RAY DIFFRACTION100
9.4597-48.17350.18711460.17992741X-RAY DIFFRACTION99
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)
18.1403-1.0712-2.78868.0505-1.991310.45420.29770.823-0.2995-0.7452-0.3415-1.14732.06581.71880.01440.93690.4450.0051.22960.01820.7303-11.3031-19.2706-7.2204
24.01253.29953.89681.76561.68767.5148-0.09330.00910.7362-0.0605-0.05230.8212-0.6884-1.1919-0.09940.71710.2040.11180.84990.20230.9076-20.6885-7.37783.7778
38.10783.09041.99613.42190.20383.92240.7687-1.1710.21741.1984-0.54020.425-0.70810.0996-0.1631.0524-0.07170.13710.9709-0.16180.7865-25.1329-17.830131.2552
49.72210.71160.05966.7266-0.36136.55480.24570.45720.96760.0802-0.28351.0392-0.6977-0.43260.05870.54020.0055-0.03480.61390.07220.7401-7.9584.030916.6563
57.54766.13116.87555.82182.03098.70650.06560.2239-0.88560.1576-0.32690.24670.83541.30460.1610.51880.20090.07370.88590.19030.9827-5.8973-14.31112.7124
68.12074.5743-2.77538.34544.20989.2051-0.562-0.1747-0.1661-0.59420.18940.58730.4875-0.050.32010.78830.0876-0.07730.62130.13740.7824-31.839-29.450813.8377
75.3972-0.16880.45545.79012.05488.63470.1722-0.2303-0.06320.9388-0.35080.9211.5531-2.15660.15590.8075-0.3008-0.01691.0506-0.03330.8335-27.2735-9.61577.0741
83.2888-1.1772-2.98591.8804-2.68017.6227-0.1059-0.46040.90780.30670.1026-1.1624-0.79060.9174-0.1020.6179-0.1231-0.06460.8196-0.33471.2839-14.25682.119770.8282
98.0041-1.2307-2.81497.1052-2.87384.66160.27650.86640.6097-0.51010.2882-1.7484-0.32210.6902-0.58240.6389-0.090.02690.9043-0.06551.18831.4535-10.193247.9977
105.0211-1.01924.51057.2878-1.94617.8687-0.57090.29192.98270.2372-0.222-1.4879-1.56930.63160.73590.7539-0.0385-0.02870.66150.04611.6062-19.546313.313553.4829
116.6604-5.33696.10917.1325-3.13686.05840.08430.75550.3276-0.1918-0.4575-0.80120.05050.42550.38910.3966-0.07480.05110.6647-0.02660.7394-22.8654-3.16854.4734
125.9373-2.3808-5.24468.1498-1.04387.5549-0.691-1.93820.17721.10910.8302-1.31630.86241.3711-0.17760.96830.2291-0.37521.0364-0.2170.99650.8012-19.559767.754
139.5442-0.8561-0.72347.46652.9136.69930.25740.71430.4444-0.6846-0.10180.8056-0.907-0.923-0.2190.63860.115-0.06770.62560.17320.6156-32.0562-51.715731.5547
144.40112.3305-3.43711.3819-2.34922.6616-0.0527-0.1437-0.43910.22230.0709-0.82141.21190.9720.06070.80860.1544-0.18640.5474-0.04440.8426-22.248-63.560842.1525
157.48081.996-2.28999.0604-0.17423.66920.8487-1.6555-0.24351.5344-0.5561-0.5781.390.2908-0.38651.2586-0.2185-0.48341.05410.04911.007-17.7194-53.633269.5351
165.82462.00530.565510.77320.29045.10180.1743-0.7156-1.2571.1284-0.3163-1.46910.70460.270.15440.698-0.1162-0.11860.57930.12770.7851-35.0616-75.274854.7843
179.397.2776-4.81945.2705-1.95586.21880.2775-0.71740.8080.4285-0.4614-0.2536-0.33690.15350.27950.54310.067-0.07980.48160.01330.7414-36.9819-56.799251.4351
182.85253.3587-0.48847.4504-2.84166.0198-0.05170.1261-0.279-0.18980.1087-1.08870.01510.8680.01010.5913-0.0471-0.08040.755-0.16590.9436-11.3223-41.908952.3648
199.9191-0.49253.40927.82583.43293.6033-0.475-0.40640.302-0.5546-0.28291.2016-1.8078-1.64910.72610.86170.3373-0.10111.0026-0.03930.7217-71.74213.5318-9.769
204.41664.47130.020910.03815.89349.6783-0.19930.8973-0.5009-0.71330.3251-0.1373-0.63810.2929-0.10230.5480.0897-0.01260.79730.08240.5547-63.10273.7986-17.2631
216.9995-3.2638.78948.1477-8.85992.2049-0.8015-1.6432-1.23080.25350.5368-0.8754-0.27180.95290.16470.66170.2646-0.13571.06430.24281.246-54.8217-2.36034.0327
225.88662.74770.67674.522-4.53158.18470.0171-1.39130.35860.77030.0379-0.5741-0.75950.10240.01020.74050.1467-0.01271.3484-0.01420.8639-41.07447.790916.2002
236.98941.952-5.12228.09281.86516.0563-0.2935-0.7342-1.96270.2709-0.1872-0.73290.83090.68520.3770.60040.1614-0.06461.05180.38391.0814-62.6793-13.7269.3638
249.44468.0582-7.68096.6631-5.38117.9998-0.0881-0.58730.17770.25960.11370.3514-0.447-0.0142-0.07450.54360.1544-0.02180.77710.02050.7115-65.68764.64086.919
258.80980.96123.09536.905-0.68818.7322-0.50921.01690.6352-0.47510.3616-0.3788-0.8730.53470.19390.7408-0.11040.10710.88640.11430.7156-40.388718.2111-2.7168
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection details
1X-RAY DIFFRACTION1chain 'A' and (resid 7 through 106 )
2X-RAY DIFFRACTION2chain 'A' and (resid 107 through 137 )
3X-RAY DIFFRACTION3chain 'A' and (resid 138 through 222 )
4X-RAY DIFFRACTION4chain 'B' and (resid 7 through 106 )
5X-RAY DIFFRACTION5chain 'B' and (resid 107 through 137 )
6X-RAY DIFFRACTION6chain 'B' and (resid 138 through 222 )
7X-RAY DIFFRACTION7chain 'C' and (resid 7 through 106 )
8X-RAY DIFFRACTION8chain 'C' and (resid 107 through 137 )
9X-RAY DIFFRACTION9chain 'C' and (resid 138 through 222 )
10X-RAY DIFFRACTION10chain 'D' and (resid 7 through 94 )
11X-RAY DIFFRACTION11chain 'D' and (resid 95 through 137 )
12X-RAY DIFFRACTION12chain 'D' and (resid 138 through 222 )
13X-RAY DIFFRACTION13chain 'E' and (resid 7 through 106 )
14X-RAY DIFFRACTION14chain 'E' and (resid 107 through 137 )
15X-RAY DIFFRACTION15chain 'E' and (resid 138 through 222 )
16X-RAY DIFFRACTION16chain 'F' and (resid 7 through 106 )
17X-RAY DIFFRACTION17chain 'F' and (resid 107 through 137 )
18X-RAY DIFFRACTION18chain 'F' and (resid 138 through 222 )
19X-RAY DIFFRACTION19chain 'G' and (resid 7 through 66 )
20X-RAY DIFFRACTION20chain 'G' and (resid 67 through 123 )
21X-RAY DIFFRACTION21chain 'G' and (resid 124 through 137 )
22X-RAY DIFFRACTION22chain 'G' and (resid 138 through 222 )
23X-RAY DIFFRACTION23chain 'H' and (resid 7 through 106 )
24X-RAY DIFFRACTION24chain 'H' and (resid 107 through 137 )
25X-RAY DIFFRACTION25chain 'H' and (resid 138 through 222 )

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