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- PDB-9pco: Crystal structure of Rv0097 with 5 mM CADA soaked (CADA not bound... -

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Basic information

Entry
Database: PDB / ID: 9pco
TitleCrystal structure of Rv0097 with 5 mM CADA soaked (CADA not bound) and 5 mM alpha-ketoglutarate soaked (alpha-ketoglutarate bound)
Components(3R)-3-[(carboxymethyl)amino]fatty acid oxygenase/decarboxylase
KeywordsOXIDOREDUCTASE / non-heme iron enzyme / Fe(II)/alpha-ketoglutarate-dependent dioxygenases / isonitrile synthase
Function / homology
Function and homology information


(R)-3-[(carboxymethyl)amino]fatty acid dioxygenase/decarboxylase / dioxygenase activity / metal ion binding
Similarity search - Function
: / TauD/TfdA-like domain / Taurine catabolism dioxygenase TauD, TfdA family / Taurine dioxygenase TauD-like superfamily
Similarity search - Domain/homology
ACETATE ION / 2-OXOGLUTARIC ACID / : / DI(HYDROXYETHYL)ETHER / (3R)-3-[(carboxymethyl)amino]fatty acid oxygenase/decarboxylase
Similarity search - Component
Biological speciesMycobacterium tuberculosis (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.82 Å
AuthorsYe, N. / Drennan, C.L.
Funding support United States, 2items
OrganizationGrant numberCountry
Howard Hughes Medical Institute (HHMI) United States
National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)R35 GM126982 United States
Citation
Journal: Nat Commun / Year: 2026
Title: A highly dynamic mononuclear non-heme iron enzyme for the two-step isonitrile biosynthesis.
Authors: Ye, N. / Del Rio Flores, A. / Zhang, W. / Drennan, C.L.
#1: Journal: Acta Crystallogr D Struct Biol / Year: 2019
Title: Macromolecular structure determination using X-rays, neutrons and electrons: recent developments in Phenix.
Authors: Dorothee Liebschner / Pavel V Afonine / Matthew L Baker / Gábor Bunkóczi / Vincent B Chen / Tristan I Croll / Bradley Hintze / Li Wei Hung / Swati Jain / Airlie J McCoy / Nigel W Moriarty ...Authors: Dorothee Liebschner / Pavel V Afonine / Matthew L Baker / Gábor Bunkóczi / Vincent B Chen / Tristan I Croll / Bradley Hintze / Li Wei Hung / Swati Jain / Airlie J McCoy / Nigel W Moriarty / Robert D Oeffner / Billy K Poon / Michael G Prisant / Randy J Read / Jane S Richardson / David C Richardson / Massimo D Sammito / Oleg V Sobolev / Duncan H Stockwell / Thomas C Terwilliger / Alexandre G Urzhumtsev / Lizbeth L Videau / Christopher J Williams / Paul D Adams /
Abstract: Diffraction (X-ray, neutron and electron) and electron cryo-microscopy are powerful methods to determine three-dimensional macromolecular structures, which are required to understand biological ...Diffraction (X-ray, neutron and electron) and electron cryo-microscopy are powerful methods to determine three-dimensional macromolecular structures, which are required to understand biological processes and to develop new therapeutics against diseases. The overall structure-solution workflow is similar for these techniques, but nuances exist because the properties of the reduced experimental data are different. Software tools for structure determination should therefore be tailored for each method. Phenix is a comprehensive software package for macromolecular structure determination that handles data from any of these techniques. Tasks performed with Phenix include data-quality assessment, map improvement, model building, the validation/rebuilding/refinement cycle and deposition. Each tool caters to the type of experimental data. The design of Phenix emphasizes the automation of procedures, where possible, to minimize repetitive and time-consuming manual tasks, while default parameters are chosen to encourage best practice. A graphical user interface provides access to many command-line features of Phenix and streamlines the transition between programs, project tracking and re-running of previous tasks.
History
DepositionJun 27, 2025Deposition site: RCSB / Processing site: RCSB
Revision 1.0Mar 11, 2026Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: (3R)-3-[(carboxymethyl)amino]fatty acid oxygenase/decarboxylase
B: (3R)-3-[(carboxymethyl)amino]fatty acid oxygenase/decarboxylase
C: (3R)-3-[(carboxymethyl)amino]fatty acid oxygenase/decarboxylase
D: (3R)-3-[(carboxymethyl)amino]fatty acid oxygenase/decarboxylase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)137,56014
Polymers136,8484
Non-polymers71210
Water15,403855
1
A: (3R)-3-[(carboxymethyl)amino]fatty acid oxygenase/decarboxylase
hetero molecules

C: (3R)-3-[(carboxymethyl)amino]fatty acid oxygenase/decarboxylase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)68,7416
Polymers68,4242
Non-polymers3174
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation1_645x+1,y-1,z1
Buried area2560 Å2
ΔGint-37 kcal/mol
Surface area25690 Å2
MethodPISA
2
B: (3R)-3-[(carboxymethyl)amino]fatty acid oxygenase/decarboxylase
D: (3R)-3-[(carboxymethyl)amino]fatty acid oxygenase/decarboxylase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)68,8198
Polymers68,4242
Non-polymers3956
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area3140 Å2
ΔGint-39 kcal/mol
Surface area24990 Å2
MethodPISA
Unit cell
Length a, b, c (Å)88.437, 63.542, 106.594
Angle α, β, γ (deg.)90.000, 97.887, 90.000
Int Tables number4
Space group name H-MP1211
Space group name HallP2yb
Symmetry operation#1: x,y,z
#2: -x,y+1/2,-z

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Components

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Protein , 1 types, 4 molecules ABCD

#1: Protein
(3R)-3-[(carboxymethyl)amino]fatty acid oxygenase/decarboxylase


Mass: 34211.984 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycobacterium tuberculosis (bacteria) / Strain: H37Rv / Gene: Rv0097, MTCY251.16 / Production host: Escherichia coli BL21(DE3) (bacteria)
References: UniProt: P9WG83, (R)-3-[(carboxymethyl)amino]fatty acid dioxygenase/decarboxylase

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Non-polymers , 5 types, 865 molecules

#2: Chemical
ChemComp-ACT / ACETATE ION


Mass: 59.044 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C2H3O2
#3: Chemical
ChemComp-FE / FE (III) ION


Mass: 55.845 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Fe / Feature type: SUBJECT OF INVESTIGATION
#4: Chemical ChemComp-AKG / 2-OXOGLUTARIC ACID


Mass: 146.098 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C5H6O5 / Feature type: SUBJECT OF INVESTIGATION
#5: Chemical ChemComp-PEG / DI(HYDROXYETHYL)ETHER


Mass: 106.120 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C4H10O3
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 855 / Source method: isolated from a natural source / Formula: H2O

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Details

Has ligand of interestY
Has protein modificationN

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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: 2.17 Å3/Da / Density % sol: 43.26 %
Crystal growTemperature: 295 K / Method: vapor diffusion, hanging drop / Details: 270 mM magnesium acetate, 16% w/v PEG 3350

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: SSRL / Beamline: BL9-2 / Wavelength: 0.97946 Å
DetectorType: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Apr 9, 2024
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97946 Å / Relative weight: 1
ReflectionResolution: 1.82→50 Å / Num. obs: 708866 / % possible obs: 98.5 % / Redundancy: 6.8 % / Biso Wilson estimate: 27.03 Å2 / CC1/2: 1 / Net I/σ(I): 23.1
Reflection shellResolution: 1.82→1.93 Å / Num. unique obs: 115593 / CC1/2: 0.903

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Processing

Software
NameVersionClassification
PHENIX1.21.2_5419refinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing
Cootmodel building
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.82→28.39 Å / SU ML: 0.1987 / Cross valid method: FREE R-VALUE / σ(F): 1.34 / Phase error: 22.2398
Stereochemistry target values: GeoStd + Monomer Library + CDL v1.2
RfactorNum. reflection% reflection
Rfree0.2107 5181 5 %
Rwork0.1721 98492 -
obs0.1741 103673 98.52 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.1 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso mean: 34.58 Å2
Refinement stepCycle: LAST / Resolution: 1.82→28.39 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms9140 0 37 855 10032
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.00639522
X-RAY DIFFRACTIONf_angle_d0.829612991
X-RAY DIFFRACTIONf_chiral_restr0.05651423
X-RAY DIFFRACTIONf_plane_restr0.00811687
X-RAY DIFFRACTIONf_dihedral_angle_d12.53143571
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
1.82-1.840.31221710.25853276X-RAY DIFFRACTION98.37
1.84-1.860.26621760.22813220X-RAY DIFFRACTION98.43
1.86-1.890.24691640.21483315X-RAY DIFFRACTION99.06
1.89-1.910.2641840.20713245X-RAY DIFFRACTION98.62
1.91-1.930.23361740.20153268X-RAY DIFFRACTION98.85
1.93-1.960.23841700.20033250X-RAY DIFFRACTION98.62
1.96-1.990.26211690.20333275X-RAY DIFFRACTION98.8
1.99-2.020.2421630.20143257X-RAY DIFFRACTION98.16
2.02-2.050.23771800.19933307X-RAY DIFFRACTION98.75
2.05-2.080.26161720.20983220X-RAY DIFFRACTION98.23
2.08-2.120.24021760.19043283X-RAY DIFFRACTION98.29
2.12-2.160.23381560.18293192X-RAY DIFFRACTION96.9
2.16-2.20.18861690.17453186X-RAY DIFFRACTION95.94
2.2-2.240.23431770.17313293X-RAY DIFFRACTION99.17
2.24-2.290.20761710.17993287X-RAY DIFFRACTION99.25
2.29-2.350.24411810.18263318X-RAY DIFFRACTION99.21
2.35-2.40.2441730.18573267X-RAY DIFFRACTION98.96
2.4-2.470.25921720.18573315X-RAY DIFFRACTION99.03
2.47-2.540.21231690.18083314X-RAY DIFFRACTION99.03
2.54-2.620.1941700.18013266X-RAY DIFFRACTION98.82
2.62-2.720.25011800.18393284X-RAY DIFFRACTION98.52
2.72-2.830.2231620.19563193X-RAY DIFFRACTION96.33
2.83-2.960.24941780.19273340X-RAY DIFFRACTION99.38
2.96-3.110.24431730.18783286X-RAY DIFFRACTION99.2
3.11-3.310.20251770.17833332X-RAY DIFFRACTION99.21
3.31-3.560.20241730.16963334X-RAY DIFFRACTION99.26
3.56-3.920.19821700.14963300X-RAY DIFFRACTION98.11
3.92-4.480.15221770.13413281X-RAY DIFFRACTION97.46
4.48-5.640.16751790.13773381X-RAY DIFFRACTION99.72
5.64-28.390.18981750.16033407X-RAY DIFFRACTION97.92
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)
11.95029013980.0102618042688-0.8899903098022.17560782043-0.7843802185552.66123244096-0.107033211374-0.3160918895080.1860606579520.1085831258660.03719685195110.0859512278974-0.01257801225880.05775148537530.07152650099990.1710508474040.0196578778183-0.03348275918220.221193719668-0.06343986600170.312625619383-5.2433517695-12.966274657115.1294796961
23.16291971303-0.4654862875370.4304740922061.139343028710.06596643684240.66011295236-0.219253012414-0.553457296286-0.6129285373240.0100311580670.1572105289330.05386647486320.103612931550.01674263387340.04500457174560.2130013774410.04544282074860.04638315175050.2763705266450.07248892661570.3669254225719.64232614331-22.03374498645.85969298195
31.701827566570.379520651595-0.7658973407712.10396312776-0.6831579204541.94347038126-0.0399777481202-0.07171072944450.227648762425-0.126604323582-0.00544002769959-0.191560804922-0.03280717120780.2335400788010.03852923711720.1765645535850.0124668308868-0.04768113197790.199696290962-0.02376328105530.3445597924181.36220228598-10.05102981194.64273706773
42.23678500477-0.08305293013070.2697707526531.16492519729-0.4506423688032.11811859347-0.01410953771290.4780023532320.0477854058124-0.337953115912-0.13594676959-0.877780152829-0.1860502429790.9089862335670.2097177126830.356217282316-0.0870246442159-0.001210501713170.6760088531230.05867365821380.7867879841839.9042778594722.657192351131.3753108089
51.958028011590.306321329582-0.1020133683972.05635820268-0.2137188709382.01293705077-0.140942186540.479459587632-0.202392283483-0.219388606924-0.00751317792565-0.6962658774650.1068608993630.4859003344140.1345692122550.264608128290.0279708500479-0.003249370763450.3931788443850.05199980742190.4910568915230.012505851105413.096768324533.0740411092
62.277265800950.3708803149750.9400297304822.087181250530.7564983997512.97687751909-0.3512812336790.5050471141270.360619542207-0.618816497967-0.06915076086420.0986166649893-0.575142623128-0.1698773163410.4440246226660.362827819143-0.0197070560905-0.09394937270920.3129258784690.01118871481780.372832428822-15.97457953416.807108313932.8552136076
71.636981246840.707800619716-0.7358495830981.939899679760.6857048880962.20269676063-0.03163610741380.0321681516220.2953294537640.199178282726-0.0970599088183-0.289367977005-0.3107864108860.18248233130.1105319933550.3351716591120.0032240375029-0.1664406721740.2272554174180.0455626184920.496055811794-6.1953900632821.423947825546.1740127517
81.789265492220.4755016158471.256682349781.110475385070.2593634103743.03322145003-0.268599256909-0.3587540777620.33686852830.296012866291-0.210917405943-0.201150975423-0.440643709559-0.3863589220720.3439082255890.368131256981-0.0324610111114-0.1058790903060.302228477205-0.04451392910460.421894086494-16.869658669511.788140436150.573387853
93.01072322060.2529852089940.7105744841742.081165970830.1143436995581.84510464852-0.0002269798211270.00820611072514-0.4650443173390.2156104382210.22233454622-0.3747894148060.02661759493630.122978841089-0.1764329373080.301389534274-0.01653722386320.007159626913790.235130016737-0.02922983712910.316791990993-26.69436484191.979843202141.5843924502
101.281608599250.152217965553-0.01232431382071.97662707250.3451232799351.50749189492-0.0200085999962-0.194909007210.2814556373320.538425995912-0.1975992357550.0594179511902-0.190868702566-0.09106255566020.2145891819870.40612182795-0.0160861469214-0.1915560452540.304092680746-0.04144525532950.481437456566-10.355228725719.382044596856.7901823416
111.225937190980.536731676863-0.2311090436431.583092412590.912106841531.86301251439-0.1620777976060.1322354105660.324415373793-0.0370936922126-0.0142857301367-0.354549907796-0.2375347558950.07061892259990.1598710968730.308665499777-0.013029411035-0.1367205059040.3062201126310.063088124060.499644523302-4.8296489840919.60450853839.7843134112
121.615277186810.4330370246430.5351382687752.245402559380.7708181827891.852373772640.0320742748007-0.196789682604-0.07897885316070.1287805707360.0161347546011-0.145618375920.05014188026770.0657123704325-0.03811169794530.145599673170.002269077952420.02872804800260.1825941570080.02946085378730.135202554084-35.171380372931.393525990113.6959577641
133.44501999193-1.06896751391-0.998778836391.35359252991-0.02455993435561.77770538213-0.218868011246-0.793812722070.2445422924050.1520715613790.2887059312560.21856558962-0.118547793120.157244423543-0.022996121880.2332439232710.045866291757-0.001915936824840.347779801831-0.03271523396420.339415617415-59.928906363642.43814681468.65084167165
141.63254473170.2433836685220.202457973022.033176693890.2550990239531.24937335719-0.003629105398630.0184826860867-0.0586341020255-0.115473408836-0.02147140757450.1246607932310.0337952309961-0.05408602503270.01934243843150.168287562550.001351380014070.01625758387980.166948240193-0.00583102768060.151636068045-44.087985156829.76148222694.05902262106
151.8475812243-0.0317843549523-0.7216058346792.03516232580.103278034062.10238487087-0.01123014403650.396070727696-0.000172440873561-0.170601916674-0.03537964520760.22025529260.0402332368614-0.3105923508320.03879954295480.178115494766-0.00165269928606-0.003317875772010.231310441953-0.003642388442730.138514797417-55.162785783-2.6170427509236.7464361357
160.952430366343-0.129885678677-0.08043919698870.9665831741450.07421978357420.969522079467-0.06016988707990.003446234745140.02582265527220.1106738585340.0413761024961-0.007967488090450.008106352067550.0131829423290.01639185295680.2239950473760.007338559269120.02236819086140.1834068747220.008886325393310.162450696468-46.8769676979-0.14002039457548.0985422798
Refinement TLS group

Refine-ID: X-RAY DIFFRACTION

IDRefine TLS-IDSelection detailsAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
11chain 'A' and (resid 2 through 147 )AA2 - 1471 - 146
22chain 'A' and (resid 148 through 195 )AA148 - 195147 - 194
33chain 'A' and (resid 196 through 290 )AA196 - 290195 - 285
44chain 'B' and (resid 3 through 26 )BC3 - 261 - 24
55chain 'B' and (resid 27 through 78 )BC27 - 7825 - 76
66chain 'B' and (resid 79 through 97 )BC79 - 9777 - 95
77chain 'B' and (resid 98 through 144 )BC98 - 14496 - 142
88chain 'B' and (resid 145 through 160 )BC145 - 160143 - 158
99chain 'B' and (resid 161 through 178 )BC161 - 178159 - 176
1010chain 'B' and (resid 179 through 239 )BC179 - 239177 - 237
1111chain 'B' and (resid 240 through 290 )BC240 - 290238 - 286
1212chain 'C' and (resid 1 through 144 )CE1 - 1441 - 137
1313chain 'C' and (resid 145 through 178 )CE145 - 178138 - 171
1414chain 'C' and (resid 179 through 290 )CE179 - 290172 - 283
1515chain 'D' and (resid 2 through 144 )DG2 - 1441 - 143
1616chain 'D' and (resid 145 through 290 )DG145 - 290144 - 289

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