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- PDB-7el3: Crystal structure of HpaR-DNA complex from Acinetobacter baumannii -

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Basic information

Entry
Database: PDB / ID: 7el3
TitleCrystal structure of HpaR-DNA complex from Acinetobacter baumannii
Components
  • Chains: C
  • Chains: D
  • Homoprotocatechuate degradation operon regulator HpaR
KeywordsDNA BINDING PROTEIN / MarR family of transcription regulators / Transcription factor in HPA-degradation pathway / Acinetobacter baumannii
Function / homology
Function and homology information


DNA-binding transcription factor activity / negative regulation of DNA-templated transcription / DNA binding
Similarity search - Function
HTH-type transcriptional regulator HpaR/FarR / MarR family / MarR-type HTH domain profile. / helix_turn_helix multiple antibiotic resistance protein / MarR-type HTH domain / Winged helix DNA-binding domain superfamily / Winged helix-like DNA-binding domain superfamily
Similarity search - Domain/homology
DNA / DNA (> 10) / Homoprotocatechuate degradation operon regulator HpaR
Similarity search - Component
Biological speciesAcinetobacter baumannii (bacteria)
Acinetobacter baumannii ZW85-1 (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.7 Å
AuthorsPermsirivisarn, P. / Pakotiprapha, D.
Funding support Thailand, 2items
OrganizationGrant numberCountry
The Thailand Research Fund (TRF)RSA6280087 Thailand
The Thailand Research Fund (TRF)RTA5980001 Thailand
CitationJournal: Febs J. / Year: 2022
Title: Mechanism of transcription regulation by Acinetobacter baumannii HpaR in the catabolism of p-hydroxyphenylacetate.
Authors: Permsirivisarn, P. / Yuenyao, A. / Pramanpol, N. / Charoenwattanasatien, R. / Suginta, W. / Chaiyen, P. / Pakotiprapha, D.
History
DepositionApr 7, 2021Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Jan 19, 2022Provider: repository / Type: Initial release
Revision 1.1Jun 22, 2022Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.year / _citation_author.identifier_ORCID
Revision 1.2Nov 29, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Homoprotocatechuate degradation operon regulator HpaR
B: Homoprotocatechuate degradation operon regulator HpaR
C: Chains: C
D: Chains: D
hetero molecules


Theoretical massNumber of molelcules
Total (without water)47,2145
Polymers47,1224
Non-polymers921
Water7,692427
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: native gel electrophoresis
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area11480 Å2
ΔGint-83 kcal/mol
Surface area19420 Å2
MethodPISA
Unit cell
Length a, b, c (Å)47.423, 55.150, 57.072
Angle α, β, γ (deg.)81.135, 66.793, 67.965
Int Tables number1
Space group name H-MP1
Space group name HallP1
Symmetry operation#1: x,y,z

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Components

#1: Protein Homoprotocatechuate degradation operon regulator HpaR


Mass: 16504.297 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Acinetobacter baumannii (bacteria)
Gene: hpaR, EWO92_01730, EWO96_02085, EWP49_02085, FD887_17210
Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: A0A4Q4GPX4
#2: DNA chain Chains: C


Mass: 7076.632 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Acinetobacter baumannii ZW85-1 (bacteria)
#3: DNA chain Chains: D


Mass: 7036.608 Da / Num. of mol.: 1 / Source method: obtained synthetically / Source: (synth.) Acinetobacter baumannii ZW85-1 (bacteria)
#4: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL / Glycerol


Mass: 92.094 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Formula: C3H8O3
#5: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 427 / Source method: isolated from a natural source / Formula: H2O
Has ligand of interestN

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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: 2.7 Å3/Da / Density % sol: 54.42 %
Crystal growTemperature: 295 K / Method: vapor diffusion, sitting drop / pH: 5.5
Details: 100 mM sodium HEPES; MOPS, pH 7.5, 20 mM DL-glutamic acid, 20 mM DL-alanine, 20 mM glycine, 20 mM DL-lysine, 20 mM DL-serine, 20 % (v/v) glycerol and 10 % (v/v) PEG 4000
PH range: 7.5

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Data collection

DiffractionMean temperature: 110 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: NSRRC / Beamline: BL15A1 / Wavelength: 1 Å
DetectorType: RAYONIX MX300HE / Detector: CCD / Date: Jul 4, 2020
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.7→27.61 Å / Num. obs: 52505 / % possible obs: 96.9 % / Redundancy: 2.4 % / Biso Wilson estimate: 19.27 Å2 / CC1/2: 1 / Rmerge(I) obs: 0.022 / Rpim(I) all: 0.017 / Rrim(I) all: 0.028 / Net I/σ(I): 19.1
Reflection shellResolution: 1.7→1.73 Å / Mean I/σ(I) obs: 5.2 / Num. unique obs: 2711 / CC1/2: 0.994

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Processing

Software
NameVersionClassification
PHENIX1.19.2_4158refinement
Blu-Icedata collection
DIALSdata reduction
PHASERphasing
Aimlessdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 7EL2
Resolution: 1.7→27.61 Å / SU ML: 0.1371 / Cross valid method: FREE R-VALUE / σ(F): 1.99 / Phase error: 23.6244
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
RfactorNum. reflection% reflection
Rfree0.1926 4914 4.77 %
Rwork0.1642 98087 -
obs0.1657 52376 95.05 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso mean: 32.24 Å2
Refinement stepCycle: LAST / Resolution: 1.7→27.61 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2230 937 6 427 3600
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.00923310
X-RAY DIFFRACTIONf_angle_d1.23644645
X-RAY DIFFRACTIONf_chiral_restr0.0641532
X-RAY DIFFRACTIONf_plane_restr0.0099425
X-RAY DIFFRACTIONf_dihedral_angle_d26.6757750
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.7-1.720.26971240.23363141X-RAY DIFFRACTION91.51
1.72-1.740.23831550.20943176X-RAY DIFFRACTION91.56
1.74-1.760.25971830.21643155X-RAY DIFFRACTION92.11
1.76-1.780.23071540.20013186X-RAY DIFFRACTION93.04
1.78-1.810.24791340.19673145X-RAY DIFFRACTION92.26
1.81-1.830.20961380.1923294X-RAY DIFFRACTION93.67
1.83-1.860.21491500.18293209X-RAY DIFFRACTION92.94
1.86-1.890.21321310.17753256X-RAY DIFFRACTION93.62
1.89-1.910.19531400.17963275X-RAY DIFFRACTION94.28
1.91-1.950.19971560.17653205X-RAY DIFFRACTION94.36
1.95-1.980.22851810.17693316X-RAY DIFFRACTION94.41
1.98-2.020.22881640.1723134X-RAY DIFFRACTION94.5
2.02-2.050.20951920.16983325X-RAY DIFFRACTION94.54
2.05-2.10.22811460.17043197X-RAY DIFFRACTION95.13
2.1-2.140.19871610.16423376X-RAY DIFFRACTION95.13
2.14-2.190.1941320.16633303X-RAY DIFFRACTION95.95
2.19-2.250.22081710.16583265X-RAY DIFFRACTION95.18
2.25-2.310.19031910.16483309X-RAY DIFFRACTION96
2.31-2.370.20142020.17153322X-RAY DIFFRACTION96.23
2.37-2.450.24261660.16813199X-RAY DIFFRACTION95.92
2.45-2.540.18371390.17313349X-RAY DIFFRACTION96.51
2.54-2.640.22791600.18463387X-RAY DIFFRACTION96.65
2.64-2.760.24321440.18333346X-RAY DIFFRACTION97
2.76-2.910.22191530.18563361X-RAY DIFFRACTION97.13
2.91-3.090.19461670.18223278X-RAY DIFFRACTION97.26
3.09-3.330.19232310.16593270X-RAY DIFFRACTION95.66
3.33-3.660.16852280.14143332X-RAY DIFFRACTION97.91
3.66-4.190.17172330.13043264X-RAY DIFFRACTION98.29
4.19-5.270.141330.1373476X-RAY DIFFRACTION98.5
5.27-27.610.16121550.15693236X-RAY DIFFRACTION94.4
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)
11.70851022961-0.547370351064-0.6738348077654.507600447051.363076923913.014605591310.0166960404117-0.02172933240140.1060087170350.05372096684190.0860770064756-0.3624866516040.1407691905780.0360142777901-0.1221046582440.1808245024270.0255990036485-0.03339998006360.137421960171-0.04251296574490.197561176041-1.60941890486-7.72840762096-4.80033308773
21.66631605235-2.1533179911-1.106964887025.217372339812.28380796652.543782819730.4338249141050.2281606621450.190881452084-0.800853604579-0.367775984792-0.557942806672-0.220268882002-0.120000610845-0.1188583872110.3514797339120.07786941999310.001514429317320.281474619584-0.01100838762280.2301971510091.34030310644-18.1660478466-22.7990091259
31.58440466803-0.2088077921890.1685736855583.503282098480.4182099973552.92914969759-0.0857534654139-0.0521852793521-0.341232804605-0.0416970591518-0.3368712580070.3794252432510.718374682839-0.09369362192890.05794635535440.2476256106070.00358590416533-0.000869556742380.216532516479-0.08204099404540.457435940853-19.7682602905-13.6115496084-6.24540197911
42.05530779856-0.4451158437560.9681429252743.206507339940.8732610863862.047243815740.08229977207320.115120186559-0.00949964420299-0.243276828338-0.04973716183670.0457829851469-0.0818535614497-0.03998657322670.0003489804526660.1588607925120.0191804655913-0.0227048461780.121993972607-0.01973254583350.138024754473-12.70647628477.59689351691-8.1718651055
54.68173980865-2.83026134283-2.290788136027.78932168175.135690359053.629355591980.3218223286760.09295088205950.481853986466-0.6864679638550.064768420316-0.418860053352-0.949122911020.0529221624172-0.3264422979350.383259478876-0.00927986474170.03101563267140.2104129933780.03464613332880.366102683421-7.9008573728820.5487514154-5.18461248336
61.708964421380.05671062320710.09273917876531.678700759710.6126370513581.80819822510.03248218147170.258169154106-0.194479812579-0.382132236944-0.03302739395990.0931211748812-0.281547733012-0.0740173261560.01246928530390.2411324865520.0982420693456-0.05163454504130.202157410099-0.02870599343950.291463052894-19.03549749218.70219496032-14.2320697729
77.69385481376-0.0462009913553.058691087481.48384207524-0.2273751743574.92606636045-0.540341329486-0.6146579408610.2940185449120.1844814350970.0961163736840.0860074648683-0.589122007097-0.4046763543140.2775544866770.2129407257820.06178209737490.02085668833330.239714957499-0.1107025791930.476606587693-30.2814735743-4.12408554803-1.8304308702
83.37255980377-2.214337753633.116507035393.70977109528-2.964859955513.52531730472-0.140164157040.0442424910680.06235846188170.297828404864-0.08856665198350.369209159251-0.3500948604310.1691932734190.2162590430120.18159886375-0.0070871574197-0.00204503328460.191998960527-0.05858901004760.355190431998-20.2187486442-4.27587238391-0.490786347573
92.09955347187-0.820843018434-1.117606987554.646069815541.63167980792.51806476994-0.196436079442-0.2230122342970.09242519583120.587411132580.08742424682410.2211417263660.0882842933285-0.06064436538950.07140129160240.2694285015480.04623821142840.01009187560880.213008251039-0.00352314705930.184229671952-9.87356982987-18.10038023694.26520699193
105.20990610930.407886191734-1.419630670576.660768320860.1399927899072.81350350992-0.08838867874970.138833594269-0.314291844117-0.125504789168-0.01409758921710.5417846064550.310945726086-0.2710198446770.02315593647840.1673291494060.0275240477573-0.0505696206850.134598986686-0.05028307625860.18748690909-9.43412886422-23.6686877536-9.05322726006
111.1798708229-0.673062441481-0.1982529353573.866435573550.8243596881722.93195772044-0.00804753244181-0.0284222987999-0.1243351364160.293282520580.02933542609250.003969355316650.1713740512710.0617372987157-0.09594018363160.1708662185570.033596196052-0.04669157329220.156208294543-0.02189278767250.1937040159410.0995553439222-25.7800480204-6.78379521005
123.59390812525-4.24921324265-0.2333781394816.456979017710.3395022224282.59772408566-0.24920891065-0.722337989196-0.4334315443620.8658438710690.2811252824990.8054896185730.372527041626-0.191262680140.001975773148910.539488485922-0.06308935730810.1444115454140.3945754573710.003115247271850.380933309208-16.5397870553-19.924904071910.6484024019
134.826226791041.22016762989-3.170456626343.20302289888-2.768937155766.75395057385-0.2164213077520.432731131362-0.443673202521-0.465179929379-0.02888817518130.2231059526370.682911012954-0.4751724726140.3442631977660.221498746765-0.0257114530041-0.02635199418530.202363936548-0.09175808033190.607364209882-29.2198272043-14.280422909-5.41763331843
140.829348124512-0.6588009151960.01632734037830.969232645513-0.03019185173571.768914229980.2880432592550.320599188857-0.0929214970597-0.362540147155-0.0402711663785-0.144769496108-0.0344315663124-0.176237345657-0.1029744180080.2491858175580.04889431403150.003932811988490.224091833516-0.03207542135350.163904302894-0.0111147010041-17.1802705716-19.5586102504
150.319823467044-0.556828305272-0.01921184092563.355352549320.9191472258350.413489410440.0117450020971-0.1708184951740.06413193573030.4693833466510.141161484569-0.4752232116690.05998948364160.041839188106-0.1431460458740.239531315140.0205397710721-0.07144338256730.240687386201-0.0598451199480.222401366873-2.523254811747.387096475026.9065891468
160.5305467504120.5131400198811.235265078112.291435128211.488670483392.96999804887-0.0356732076196-0.20337498703-0.02196926316670.566045151770.10008386171-0.1841631440170.102589779808-0.14077287694-0.08814632481330.3581218545720.00183680507854-0.05966574528650.247421330462-0.05760163062240.247277156571-2.7025079558110.58740557310.7598987787
Refinement TLS group

Refine-ID: X-RAY DIFFRACTION

IDRefine TLS-IDSelection detailsAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
11chain 'C' and (resid 11 through 15 )CC11 - 15
22chain 'C' and (resid 16 through 23 )CC16 - 23
33chain 'A' and (resid 3 through 22 )AA3 - 221 - 20
44chain 'A' and (resid 23 through 74 )AA23 - 7421 - 72
55chain 'A' and (resid 75 through 85 )AA75 - 8573 - 83
66chain 'A' and (resid 86 through 120 )AA86 - 12084 - 118
77chain 'A' and (resid 121 through 140 )AA121 - 140119 - 138
88chain 'B' and (resid 6 through 22 )BB6 - 221 - 17
99chain 'B' and (resid 23 through 46 )BB23 - 4618 - 41
1010chain 'B' and (resid 47 through 61 )BB47 - 6142 - 56
1111chain 'B' and (resid 62 through 95 )BB62 - 9557 - 90
1212chain 'B' and (resid 96 through 120 )BB96 - 12091 - 115
1313chain 'B' and (resid 121 through 140 )BB121 - 140116 - 135
1414chain 'D' and (resid 1 through 10 )DE1 - 10
1515chain 'D' and (resid 11 through 23 )DE11 - 23
1616chain 'C' and (resid 1 through 10 )CC1 - 10

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