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- PDB-6eus: Crystal structure of the outer membrane channel DcaP of Acinetoba... -

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Basic information

Entry
Database: PDB / ID: 6eus
TitleCrystal structure of the outer membrane channel DcaP of Acinetobacter baumannii
ComponentsDcaP-like protein
KeywordsMEMBRANE PROTEIN / outer membrane protein / Acinetobacter baumannii
Function / homologyPorin, alpha proteobacteria type / Porin subfamily / porin activity / membrane / DcaP
Function and homology information
Biological speciesAcinetobacter baumannii (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / SAD / Resolution: 2.2 Å
AuthorsZahn, M. / van den Berg, B.
CitationJournal: Structure / Year: 2019
Title: A Multidisciplinary Approach toward Identification of Antibiotic Scaffolds for Acinetobacter baumannii.
Authors: Bhamidimarri, S.P. / Zahn, M. / Prajapati, J.D. / Schleberger, C. / Soderholm, S. / Hoover, J. / West, J. / Kleinekathofer, U. / Bumann, D. / Winterhalter, M. / van den Berg, B.
History
DepositionOct 31, 2017Deposition site: PDBE / Processing site: PDBE
Revision 1.0Nov 14, 2018Provider: repository / Type: Initial release
Revision 1.1Jun 19, 2019Group: Data collection / Database references / Category: citation / citation_author / pdbx_database_proc
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_ASTM / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.page_first / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: DcaP-like protein
B: DcaP-like protein
C: DcaP-like protein
D: DcaP-like protein
E: DcaP-like protein
F: DcaP-like protein


Theoretical massNumber of molelcules
Total (without water)249,1516
Polymers249,1516
Non-polymers00
Water12,502694
1
A: DcaP-like protein
B: DcaP-like protein
C: DcaP-like protein


Theoretical massNumber of molelcules
Total (without water)124,5763
Polymers124,5763
Non-polymers00
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area9200 Å2
ΔGint-75 kcal/mol
Surface area40520 Å2
MethodPISA
2
D: DcaP-like protein
E: DcaP-like protein
F: DcaP-like protein


Theoretical massNumber of molelcules
Total (without water)124,5763
Polymers124,5763
Non-polymers00
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area9240 Å2
ΔGint-74 kcal/mol
Surface area40440 Å2
MethodPISA
Unit cell
Length a, b, c (Å)107.847, 108.382, 216.202
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
12A
22C
13A
23D
14A
24E
15A
25F
16B
26C
17B
27D
18B
28E
19B
29F
110C
210D
111C
211E
112C
212F
113D
213E
114D
214F
115E
215F

NCS domain segments:
Dom-IDComponent-IDEns-IDRefine codeAuth asym-IDAuth seq-ID
1010A60 - 405
2010B60 - 405
1020A60 - 405
2020C60 - 405
1030A60 - 405
2030D60 - 405
1040A60 - 405
2040E60 - 405
1050A60 - 405
2050F60 - 405
1060B60 - 405
2060C60 - 405
1070B60 - 405
2070D60 - 405
1080B60 - 405
2080E60 - 405
1090B60 - 405
2090F60 - 405
10100C60 - 405
20100D60 - 405
10110C60 - 405
20110E60 - 405
10120C60 - 405
20120F60 - 405
10130D60 - 405
20130E60 - 405
10140D60 - 405
20140F60 - 405
10150E60 - 405
20150F60 - 405

NCS ensembles :
ID
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

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Components

#1: Protein
DcaP-like protein


Mass: 41525.199 Da / Num. of mol.: 6
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Acinetobacter baumannii (bacteria)
Gene: ABUW_0826, B4R90_15245, CAS84_19480, CAT05_14765, CBI29_03066, IX87_10345
Production host: Escherichia coli (E. coli) / References: UniProt: A0A0B9X9I7
#2: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 694 / 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: 2.55 Å3/Da / Density % sol: 51.71 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop
Details: 8.5% MPD, 8.5% PEG 1000, 8.5% PEG 3350, 0.02 M sodium formate, 0.02 M sodium citrate, 0.02 M sodium oxamate, 0.02 M ammonium acetate, 0.02 M sodium potassium tartrate, 0.05 M MES, 0.05 M imidazole pH 6.5

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Diamond / Beamline: I03 / Wavelength: 0.97926 Å
DetectorType: DECTRIS PILATUS3 6M / Detector: PIXEL / Date: Oct 14, 2015
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97926 Å / Relative weight: 1
ReflectionResolution: 2.2→48.44 Å / Num. obs: 125363 / % possible obs: 97.5 % / Redundancy: 2.9 % / Rmerge(I) obs: 0.1 / Net I/σ(I): 6
Reflection shellResolution: 2.2→2.24 Å / Redundancy: 3 % / Rmerge(I) obs: 0.739 / Mean I/σ(I) obs: 1.4 / Num. unique obs: 6276 / % possible all: 99.1

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Processing

Software
NameVersionClassification
REFMAC5.8.0158refinement
XDSdata reduction
Aimlessdata scaling
AutoSolphasing
RefinementMethod to determine structure: SAD / Resolution: 2.2→108.1 Å / Cor.coef. Fo:Fc: 0.949 / Cor.coef. Fo:Fc free: 0.931 / SU B: 11.474 / SU ML: 0.162 / Cross valid method: THROUGHOUT / ESU R: 0.242 / ESU R Free: 0.192 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.23362 2362 1.9 %RANDOM
Rwork0.20001 ---
obs0.20065 122906 97.13 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 38.879 Å2
Baniso -1Baniso -2Baniso -3
1--0.08 Å20 Å20 Å2
2---0.62 Å20 Å2
3---0.7 Å2
Refinement stepCycle: 1 / Resolution: 2.2→108.1 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms15906 0 0 694 16600
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0190.0216230
X-RAY DIFFRACTIONr_bond_other_d0.0020.0214472
X-RAY DIFFRACTIONr_angle_refined_deg2.0411.9521984
X-RAY DIFFRACTIONr_angle_other_deg1.063333606
X-RAY DIFFRACTIONr_dihedral_angle_1_deg7.95752070
X-RAY DIFFRACTIONr_dihedral_angle_2_deg39.06624.646762
X-RAY DIFFRACTIONr_dihedral_angle_3_deg15.366152514
X-RAY DIFFRACTIONr_dihedral_angle_4_deg18.3371578
X-RAY DIFFRACTIONr_chiral_restr0.1260.22376
X-RAY DIFFRACTIONr_gen_planes_refined0.0090.0218612
X-RAY DIFFRACTIONr_gen_planes_other0.0010.023426
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_it1.452.1088298
X-RAY DIFFRACTIONr_mcbond_other1.452.1078297
X-RAY DIFFRACTIONr_mcangle_it2.1663.15610362
X-RAY DIFFRACTIONr_mcangle_other2.1663.15710363
X-RAY DIFFRACTIONr_scbond_it2.182.3537932
X-RAY DIFFRACTIONr_scbond_other2.182.3537932
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other3.2563.4411622
X-RAY DIFFRACTIONr_long_range_B_refined5.30224.93117482
X-RAY DIFFRACTIONr_long_range_B_other5.27424.74917373
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 / Type: interatomic distance / Weight position: 0.05

Ens-IDDom-IDAuth asym-IDNumberRms dev position (Å)
11A223720.06
12B223720.06
21A223620.07
22C223620.07
31A223120.06
32D223120.06
41A223280.06
42E223280.06
51A224160.05
52F224160.05
61B224480.07
62C224480.07
71B226320.05
72D226320.05
81B224060.06
82E224060.06
91B223160.07
92F223160.07
101C224460.06
102D224460.06
111C226040.06
112E226040.06
121C223100.07
122F223100.07
131D224640.06
132E224640.06
141D223920.06
142F223920.06
151E222680.06
152F222680.06
LS refinement shellResolution: 2.2→2.257 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.353 191 -
Rwork0.31 9160 -
obs--98.9 %
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)
11.1416-0.3258-0.63522.8261.07751.19930.03620.17060.1081-0.35630.06650.1126-0.16470.0567-0.10270.0819-0.01-0.09940.07690.01930.301150.560339.3741130.7016
21.15580.1015-0.34611.34870.02340.2882-0.05860.17430.069-0.2351-0.03790.2718-0.0542-0.12860.09650.09680.009-0.10380.0698-0.01290.301141.651332.6705131.9385
32.9266-0.36572.06434.5872.74789.5107-0.1517-0.15960.1030.6372-0.15260.2553-0.3710.18650.30430.17-0.04680.00340.1283-0.05460.285537.532826.888154.2263
41.54190.15560.15522.02190.35821.0137-0.04160.0860.1407-0.0991-0.00340.3947-0.0431-0.25050.0450.02540.0216-0.04930.104-0.07730.45929.72438.2094140.9407
53.41772.0661-1.32841.908-1.16132.1024-0.10310.38480.128-0.30550.20170.12410.0758-0.1478-0.09860.11680.0153-0.03420.0717-0.06050.271553.646319.153129.1849
61.08680.26710.221.1098-0.11090.4849-0.07270.1705-0.0999-0.14810.0462-0.05390.03370.07080.02650.0586-0.0099-0.02270.0651-0.07190.216861.840415.4311133.294
71.16140.1902-0.25352.53111.41334.8212-0.00860.1215-0.1099-0.1691-0.0740.0458-0.0190.00840.08260.04530.0645-0.00510.12-0.03020.283873.5585.8179135.4517
81.5566-0.42720.13831.048-0.72371.49240.0610.0903-0.3030.0205-0.0008-0.03280.30990.1604-0.06010.13280.05510.00280.04-0.06370.31662.66530.7285142.7954
91.9024-0.32330.59731.6160.07161.014-0.03190.18620.0699-0.25870.04620.0179-0.05620.066-0.01430.0738-0.04360.01170.0877-0.03020.221167.520435.2994132.418
102.0947-0.82810.03841.91540.25870.77120.00540.25080.0939-0.2179-0.0344-0.0746-0.20740.20220.02910.1236-0.07020.00460.1242-0.00410.228372.014449.9097134.2924
112.0450.1578-1.280.9714-0.58723.816-0.0593-0.01170.0956-0.18520.0005-0.03240.02550.38540.05880.189-0.075-0.0150.1005-0.02670.252771.045754.3315140.5295
121.7223-0.7172-0.57751.90160.54181.53020.02210.08090.1418-0.11650.085-0.1835-0.26640.3007-0.10710.0915-0.107-0.0090.1539-0.02650.281780.347848.4684144.5241
132.42081.4141.9323.29952.49583.37510.0343-0.2055-0.09240.1652-0.0513-0.00930.1085-0.19040.0170.04080.02140.04330.0951-0.03150.2492-6.360581.7522141.3487
141.3358-0.04630.24410.9708-0.37290.584-0.0037-0.09450.01530.0947-0.03330.0826-0.0047-0.09780.0370.0332-0.00540.02040.0698-0.07210.2388-11.847491.728137.318
151.8938-0.0279-1.76492.6076-0.51566.161-0.18390.123-0.04630.10130.09380.01220.1304-0.38150.09010.04340.0139-0.07380.0884-0.09110.2877-20.039199.9907130.7641
161.4693-0.45891.20611.63730.21251.3399-0.0957-0.1684-0.14520.02930.05450.1441-0.1098-0.30580.04120.01280.0454-0.00060.2518-0.14570.364-25.230489.8005127.734
171.5008-0.2812-0.00811.5705-0.42910.57770.0043-0.11090.0120.0186-0.0026-0.03170.0642-0.0263-0.00170.02220.0004-0.0090.0453-0.08830.23747.990196.4167136.9709
181.08920.2155-0.40821.4163-0.1480.85280.023-0.08570.02340.1056-0.0588-0.12520.03770.1120.03590.02980.01-0.02820.0505-0.08520.263524.2259100.0556136.3006
191.6011-0.8-0.00251.91220.75932.50880.196-0.0593-0.04390.0337-0.0568-0.21810.1069-0.1257-0.13930.0438-0.02970.01770.0556-0.04590.300527.7447100.5332129.1306
201.8351-0.2977-0.43740.94210.26441.43520.0120.01280.0608-0.11450.0073-0.0246-0.17360.1081-0.01940.0568-0.0275-0.0040.0381-0.06130.284921.7959109.0132124.5525
211.89090.1016-0.40551.13140.33630.55440.0028-0.1156-0.1280.1043-0.0088-0.00080.07920.06150.00610.05880.0349-0.05160.0345-0.04890.263610.902578.5484137.8332
223.27430.0014-0.62850.94370.80450.9434-0.1545-0.2052-0.3180.10710.00780.06480.25660.03260.14660.16230.01290.02060.05-0.00680.32694.947562.8369137.8463
235.5954-1.8121-0.98833.8707-1.46151.2532-0.3637-0.7182-0.3868-0.00360.0553-0.15520.32480.09760.30840.3857-0.16660.10970.2418-0.02610.4655.343155.826137.7479
242.01570.432-0.03611.78330.33521.5237-0.1020.091-0.29060.08610.04830.02490.31950.02970.05370.15210.04150.04840.0401-0.07560.407115.025958.7829127.7333
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A60 - 96
2X-RAY DIFFRACTION2A97 - 211
3X-RAY DIFFRACTION3A212 - 221
4X-RAY DIFFRACTION4A222 - 365
5X-RAY DIFFRACTION5B20 - 94
6X-RAY DIFFRACTION6B95 - 197
7X-RAY DIFFRACTION7B198 - 244
8X-RAY DIFFRACTION8B245 - 365
9X-RAY DIFFRACTION9C60 - 161
10X-RAY DIFFRACTION10C162 - 215
11X-RAY DIFFRACTION11C216 - 242
12X-RAY DIFFRACTION12C243 - 365
13X-RAY DIFFRACTION13D20 - 94
14X-RAY DIFFRACTION14D95 - 215
15X-RAY DIFFRACTION15D216 - 242
16X-RAY DIFFRACTION16D243 - 365
17X-RAY DIFFRACTION17E60 - 156
18X-RAY DIFFRACTION18E157 - 214
19X-RAY DIFFRACTION19E215 - 244
20X-RAY DIFFRACTION20E245 - 365
21X-RAY DIFFRACTION21F60 - 154
22X-RAY DIFFRACTION22F155 - 221
23X-RAY DIFFRACTION23F222 - 251
24X-RAY DIFFRACTION24F252 - 365

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