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- PDB-6h7v: Crystal structure of BauA, the Ferric preacinetobactin receptor f... -

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Basic information

Entry
Database: PDB / ID: 6h7v
TitleCrystal structure of BauA, the Ferric preacinetobactin receptor from Acinetobacter baumannii
ComponentsLigand-gated channel proteinLigand-gated ion channel
KeywordsMEMBRANE PROTEIN / BauA / outer-membrane transporter
Function / homology
Function and homology information


: / siderophore uptake transmembrane transporter activity / cell outer membrane / signaling receptor activity / membrane => GO:0016020
Similarity search - Function
TonB-dependent siderophore receptor FcuA/FatA / TonB-dependent receptor-like / TonB-dependent siderophore receptor / TonB-dependent receptor, conserved site / TonB-dependent receptor (TBDR) proteins signature 2. / TonB-dependent receptor-like, beta-barrel / TonB dependent receptor / TonB-dependent receptor, plug domain superfamily / TonB-dependent receptor, plug domain / TonB-dependent receptor-like, beta-barrel domain superfamily / TonB-dependent Receptor Plug Domain
Similarity search - Domain/homology
TonB-dependent siderophore receptor
Similarity search - Component
Biological speciesAcinetobacter baumannii (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / SAD / Resolution: 2.54 Å
AuthorsMoynie, L. / Naismith, J.H.
Funding support United Kingdom, 1items
OrganizationGrant numberCountry
United Kingdom
CitationJournal: Elife / Year: 2018
Title: Preacinetobactin not acinetobactin is essential for iron uptake by the BauA transporter of the pathogenAcinetobacter baumannii.
Authors: Moynie, L. / Serra, I. / Scorciapino, M.A. / Oueis, E. / Page, M.G. / Ceccarelli, M. / Naismith, J.H.
History
DepositionJul 31, 2018Deposition site: PDBE / Processing site: PDBE
Revision 1.0Oct 10, 2018Provider: repository / Type: Initial release
Revision 1.1Jan 16, 2019Group: Data collection / Database references / Structure summary
Category: citation / citation_author ...citation / citation_author / database_PDB_rev / database_PDB_rev_record / entity / pdbx_database_proc
Item: _citation.country / _citation.journal_abbrev ..._citation.country / _citation.journal_abbrev / _citation.journal_id_CSD / _citation.journal_id_ISSN / _citation.journal_volume / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation.year / _entity.formula_weight

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Ligand-gated channel protein
B: Ligand-gated channel protein
C: Ligand-gated channel protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)235,16128
Polymers230,6773
Non-polymers4,48425
Water5,459303
1
A: Ligand-gated channel protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)77,5097
Polymers76,8921
Non-polymers6176
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: Ligand-gated channel protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)78,91710
Polymers76,8921
Non-polymers2,0259
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
3
C: Ligand-gated channel protein
hetero molecules


Theoretical massNumber of molelcules
Total (without water)78,73511
Polymers76,8921
Non-polymers1,84310
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)182.310, 220.420, 101.670
Angle α, β, γ (deg.)90.00, 98.65, 90.00
Int Tables number5
Space group name H-MC121
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21B
12A
22C
13B
23C

NCS domain segments:
Dom-IDComponent-IDEns-IDRefine codeAuth asym-IDAuth seq-ID
1010A33 - 702
2010B33 - 702
1020A33 - 702
2020C33 - 702
1030B33 - 703
2030C33 - 703

NCS ensembles :
ID
1
2
3

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Components

#1: Protein Ligand-gated channel protein / Ligand-gated ion channel / TonB-dependent siderophore receptor


Mass: 76892.383 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Acinetobacter baumannii (strain ATCC 19606 / DSM 30007 / CIP 70.34 / JCM 6841 / NBRC 109757 / NCIMB 12457 / NCTC 12156 / 81) (bacteria)
Strain: ATCC 19606 / DSM 30007 / CIP 70.34 / JCM 6841 / NBRC 109757 / NCIMB 12457 / NCTC 12156 / 81
Gene: BIT33_06105, HMPREF0010_02301 / Production host: Escherichia coli (E. coli) / References: UniProt: D0CC21
#2: Chemical
ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL / Ethylene glycol


Mass: 62.068 Da / Num. of mol.: 13 / Source method: obtained synthetically / Formula: C2H6O2
#3: Chemical
ChemComp-C8E / (HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTANE


Mass: 306.438 Da / Num. of mol.: 12 / Source method: obtained synthetically / Formula: C16H34O5 / Comment: C8E, detergent*YM
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 303 / 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: 4.59 Å3/Da / Density % sol: 73.22 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / Details: PEG 8000, Hepes, KCl, ethylene glycol

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Diamond / Beamline: I03 / Wavelength: 0.97957 Å
DetectorType: DECTRIS PILATUS3 6M / Detector: PIXEL / Date: Nov 29, 2014
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97957 Å / Relative weight: 1
ReflectionResolution: 2.54→139.53 Å / Num. obs: 130065 / % possible obs: 99.9 % / Redundancy: 15.2 % / Rmerge(I) obs: 0.12 / Net I/σ(I): 19.3
Reflection shellResolution: 2.54→2.61 Å / Redundancy: 14.1 % / Rmerge(I) obs: 0.789 / Mean I/σ(I) obs: 3.8 / Num. unique obs: 9607 / % possible all: 100

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Processing

Software
NameVersionClassification
REFMAC5.8.0218refinement
XDSdata reduction
XSCALEdata scaling
Auto-Rickshawphasing
RefinementMethod to determine structure: SAD / Resolution: 2.54→139.53 Å / Cor.coef. Fo:Fc: 0.942 / Cor.coef. Fo:Fc free: 0.923 / SU B: 12.638 / SU ML: 0.135 / Cross valid method: THROUGHOUT / ESU R: 0.244 / ESU R Free: 0.198 / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.21295 6485 5 %RANDOM
Rwork0.18336 ---
obs0.18483 123580 99.93 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å
Displacement parametersBiso mean: 43.41 Å2
Baniso -1Baniso -2Baniso -3
1-0.25 Å20 Å21.26 Å2
2---0.5 Å20 Å2
3----0.13 Å2
Refinement stepCycle: 1 / Resolution: 2.54→139.53 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms15416 0 202 303 15921
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.010.0215974
X-RAY DIFFRACTIONr_bond_other_d00.0214385
X-RAY DIFFRACTIONr_angle_refined_deg1.2391.96421654
X-RAY DIFFRACTIONr_angle_other_deg0.622333525
X-RAY DIFFRACTIONr_dihedral_angle_1_deg7.67152013
X-RAY DIFFRACTIONr_dihedral_angle_2_deg37.78424.706697
X-RAY DIFFRACTIONr_dihedral_angle_3_deg14.675152364
X-RAY DIFFRACTIONr_dihedral_angle_4_deg21.8211563
X-RAY DIFFRACTIONr_chiral_restr0.0850.22367
X-RAY DIFFRACTIONr_gen_planes_refined0.0140.02117929
X-RAY DIFFRACTIONr_gen_planes_other0.0010.023210
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_it1.5691.9958058
X-RAY DIFFRACTIONr_mcbond_other1.5691.9958057
X-RAY DIFFRACTIONr_mcangle_it2.472.9910069
X-RAY DIFFRACTIONr_mcangle_other2.472.9910070
X-RAY DIFFRACTIONr_scbond_it2.7582.3837916
X-RAY DIFFRACTIONr_scbond_other2.7582.3837917
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_scangle_other4.0583.41211586
X-RAY DIFFRACTIONr_long_range_B_refined5.49623.59216048
X-RAY DIFFRACTIONr_long_range_B_other5.49223.51816003
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)
11A208230.07
12B208230.07
21A207290.08
22C207290.08
31B207260.08
32C207260.08
LS refinement shellResolution: 2.54→2.606 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.285 506 -
Rwork0.267 9099 -
obs--99.97 %
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)
10.92050.3003-0.06984.472-0.04220.65430.0149-0.16080.02710.034-0.1799-0.55110.01410.21530.1650.2323-0.01940.00380.25890.07530.295949.7175102.091213.4696
23.15381.2123-0.84240.5178-0.40840.45-0.08280.0571-0.104-0.0286-0.0346-0.132-0.03260.16190.11740.2562-0.02850.0030.14830.03640.21337.373103.59288.6089
30.3979-0.6784-0.33541.8307-0.01720.96470.07870.0504-0.0112-0.2048-0.1931-0.26590.04130.16170.11440.28330.06260.0780.20170.01720.313644.616391.961-2.608
42.28981.0548-1.10861.8088-0.60660.988-0.047-0.0718-0.0714-0.1825-0.0649-0.10060.02650.20150.11190.2088-0.0074-0.01060.06460.02630.139226.565999.39923.5905
59.55076.23553.66855.21632.55152.19170.04770.06150.02490.02270.0128-0.2069-0.04630.1536-0.06050.30180.01620.04730.12440.05560.233441.2514117.41190.1831
62.59971.6378-0.03922.6772-0.50440.7846-0.12350.15760.3065-0.15050.14890.1713-0.08080.0301-0.02540.1731-0.00180.07370.0220.01070.116926.0964107.82163.7905
72.3726-0.0981.37892.017-0.983.11040.013-0.270.36110.15120.01970.1184-0.3227-0.242-0.03270.2851-0.05930.03450.0909-0.04960.234831.3262119.492316.9031
86.2197-3.3566-0.16353.48810.06290.9310.0726-0.25950.20370.1217-0.0988-0.2993-0.02760.18210.02620.2756-0.08280.00040.24650.07470.161738.260899.695425.406
92.3423-0.3468-0.10411.0745-0.21120.61850.0538-0.11-0.1564-0.0354-0.0532-0.2297-0.01450.1781-0.00060.2079-0.01880.01410.08080.06160.199135.771787.364116.9274
101.1754-0.1458-0.32421.9334-2.51343.9709-0.0159-0.0479-0.11550.0576-0.175-0.2892-0.16910.50240.19090.2297-0.02540.00460.2815-0.03910.222156.469365.8728-46.9823
112.55730.09461.98450.07440.10141.5966-0.15540.04450.13820.08610.0659-0.04-0.15660.13450.08960.309-0.01290.03470.1894-0.0060.164144.163370.2871-46.1248
120.9110.6849-0.56710.926-0.08641.35650.0935-0.07410.2590.0938-0.06730.008-0.2420.3596-0.02620.3119-0.14060.00630.23350.05980.318253.341885.2887-48.6207
131.56120.18081.0740.6449-0.02632.747-0.05740.03570.05080.08230.0775-0.0663-0.3370.139-0.02010.22470.00220.05770.06390.02320.143334.425577.4883-49.6887
147.9673-6.65284.3596.7561-4.35013.17130.20290.17190.2188-0.057-0.2722-0.1570.02140.18380.06930.2887-0.01480.06950.2312-0.00240.108343.616570.6851-30.1364
151.254-0.57010.25620.6811-0.35753.0705-0.1249-0.26870.02520.15410.18120.0407-0.3812-0.355-0.05620.19590.00370.02080.12310.01090.13532.513373.0703-42.93
162.3697-0.3215-1.31760.6280.1372.17650.03120.0458-0.1388-0.0262-0.04930.02410.0965-0.07760.01810.2292-0.0051-0.01080.09340.05590.167336.503355.8211-39.7143
1712.55273.9804-4.00812.4171-1.75952.30840.0157-0.2335-0.393-0.0489-0.1215-0.22960.07680.27320.10580.27290.0171-0.01730.1886-0.04220.134445.201258.1995-57.8727
182.51580.7057-0.36040.8665-0.38391.15330.08030.03390.05010.0062-0.0719-0.1156-0.05140.2367-0.00840.2209-0.02410.0390.12080.02050.115446.888571.2995-64.1933
192.0573-0.7232-1.06341.69822.09695.20920.06590.03560.03750.14770.0816-0.23690.0250.4451-0.14740.2370.0374-0.00870.08720.07950.251845.407149.57392.6796
202.5167-1.6083-0.25811.2865-0.01460.1834-0.1297-0.1712-0.1820.10890.0587-0.02610.04320.07630.07110.26730.0153-0.01340.050.00290.178332.453547.22532.3544
210.2251-0.25510.1492.56241.01711.7052-0.0038-0.2024-0.11620.20660.2016-0.16090.15640.1455-0.19790.33310.0349-0.05560.27110.10860.193438.800540.537218.9416
221.0396-1.0424-0.30951.78250.41410.865-0.0366-0.0286-0.01420.18040.0481-0.10420.137-0.0334-0.01150.2593-0.00850.00040.02030.0080.12921.932745.27435.3216
236.09750.5093-3.24851.9860.05152.7521-0.3571-0.0086-0.7531-0.0843-0.07570.05350.31450.15010.43290.21040.0527-0.02440.0334-0.01250.126627.448438.5249-2.9562
241.07970.0326-0.22761.0173-0.42631.49130.00410.1605-0.0931-0.11880.01970.0650.1530.0135-0.02390.23220.07370.02950.05680.00090.119729.67447.2061-14.8213
2513.69891.52579.61661.21121.3649.0319-0.06160.53450.21610.01650.0097-0.1385-0.16420.50730.0520.2670.0160.06630.04020.04560.205632.060763.0699-5.7802
2621.36064.043118.645812.3793-4.52847.2192-0.7881-0.36930.34720.17810.1291-0.8695-1.2130.78430.6590.4306-0.0651-0.03710.2721-0.02520.520355.202365.139921.155
272.1672-0.13121.19110.5523-0.0571.87920.1226-0.056-0.09730.1284-0.0139-0.08550.03970.2222-0.10870.27460.01490.01670.0583-0.00440.120333.080962.265712.7042
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A34 - 78
2X-RAY DIFFRACTION2A79 - 168
3X-RAY DIFFRACTION3A169 - 255
4X-RAY DIFFRACTION4A256 - 342
5X-RAY DIFFRACTION5A343 - 381
6X-RAY DIFFRACTION6A382 - 454
7X-RAY DIFFRACTION7A455 - 561
8X-RAY DIFFRACTION8A562 - 620
9X-RAY DIFFRACTION9A621 - 703
10X-RAY DIFFRACTION10B35 - 78
11X-RAY DIFFRACTION11B79 - 168
12X-RAY DIFFRACTION12B169 - 255
13X-RAY DIFFRACTION13B256 - 342
14X-RAY DIFFRACTION14B343 - 382
15X-RAY DIFFRACTION15B383 - 453
16X-RAY DIFFRACTION16B454 - 570
17X-RAY DIFFRACTION17B571 - 620
18X-RAY DIFFRACTION18B621 - 703
19X-RAY DIFFRACTION19C35 - 78
20X-RAY DIFFRACTION20C79 - 168
21X-RAY DIFFRACTION21C169 - 247
22X-RAY DIFFRACTION22C248 - 401
23X-RAY DIFFRACTION23C402 - 435
24X-RAY DIFFRACTION24C436 - 570
25X-RAY DIFFRACTION25C571 - 613
26X-RAY DIFFRACTION26C614 - 620
27X-RAY DIFFRACTION27C621 - 703

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