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- PDB-7nnf: Crystal structure of Mycobacterium tuberculosis ArgF in apo form. -

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Basic information

Entry
Database: PDB / ID: 7nnf
TitleCrystal structure of Mycobacterium tuberculosis ArgF in apo form.
ComponentsOrnithine carbamoyltransferaseOrnithine transcarbamylase
KeywordsTRANSFERASE / ArgF / Ornithine Carbamoyltransferase
Function / homology
Function and homology information


ornithine carbamoyltransferase / ornithine carbamoyltransferase activity / citrulline biosynthetic process / arginine biosynthetic process via ornithine / arginine biosynthetic process / amino acid binding / cytoplasm
Similarity search - Function
Ornithine carbamoyltransferase / Ornithine/putrescine carbamoyltransferase / Aspartate and ornithine carbamoyltransferases signature. / Aspartate/ornithine carbamoyltransferase / Aspartate/ornithine carbamoyltransferase, Asp/Orn-binding domain / Aspartate/ornithine carbamoyltransferase, carbamoyl-P binding / Aspartate/ornithine carbamoyltransferase superfamily / Aspartate/ornithine carbamoyltransferase, Asp/Orn binding domain / Aspartate/ornithine carbamoyltransferase, carbamoyl-P binding domain
Similarity search - Domain/homology
PHOSPHATE ION / Ornithine carbamoyltransferase
Similarity search - Component
Biological speciesMycobacterium tuberculosis H37Rv (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 1.52 Å
AuthorsMendes, V. / Gupta, P. / Burgess, A. / Sebastian-Perez, V. / Cattermole, E. / Meghir, C. / Blundell, T.L.
Funding support United States, 1items
OrganizationGrant numberCountry
Bill & Melinda Gates FoundationOPP1158806 United States
CitationJournal: Comput Struct Biotechnol J / Year: 2021
Title: A fragment-based approach to assess the ligandability of ArgB, ArgC, ArgD and ArgF in the L-arginine biosynthetic pathway of Mycobacterium tuberculosis
Authors: Gupta, P. / Thomas, S.E. / Zaidan, S.A. / Pasillas, M.A. / Cory-Wright, J. / Sebastian-Perez, V. / Burgess, A. / Cattermole, E. / Meghir, C. / Abell, C. / Coyne, A.G. / Jacobs, W.R. / ...Authors: Gupta, P. / Thomas, S.E. / Zaidan, S.A. / Pasillas, M.A. / Cory-Wright, J. / Sebastian-Perez, V. / Burgess, A. / Cattermole, E. / Meghir, C. / Abell, C. / Coyne, A.G. / Jacobs, W.R. / Blundell, T.L. / Tiwari, S. / Mendes, V.
History
DepositionFeb 24, 2021Deposition site: PDBE / Processing site: PDBE
Revision 1.0Jun 30, 2021Provider: repository / Type: Initial release
Revision 1.1Jan 31, 2024Group: 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
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: Ornithine carbamoyltransferase
B: Ornithine carbamoyltransferase
C: Ornithine carbamoyltransferase
D: Ornithine carbamoyltransferase
E: Ornithine carbamoyltransferase
F: Ornithine carbamoyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)200,20016
Polymers199,2506
Non-polymers95010
Water32,3371795
1
A: Ornithine carbamoyltransferase
B: Ornithine carbamoyltransferase
C: Ornithine carbamoyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)100,0057
Polymers99,6253
Non-polymers3804
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area6910 Å2
ΔGint-51 kcal/mol
Surface area30680 Å2
MethodPISA
2
D: Ornithine carbamoyltransferase
E: Ornithine carbamoyltransferase
F: Ornithine carbamoyltransferase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)100,1959
Polymers99,6253
Non-polymers5706
Water543
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area7420 Å2
ΔGint-65 kcal/mol
Surface area30890 Å2
MethodPISA
Unit cell
Length a, b, c (Å)91.341, 142.381, 98.278
Angle α, β, γ (deg.)90.000, 117.360, 90.000
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein
Ornithine carbamoyltransferase / Ornithine transcarbamylase / OTCase


Mass: 33208.324 Da / Num. of mol.: 6
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mycobacterium tuberculosis H37Rv (bacteria)
Gene: argF, Rv1656, MTCY06H11.21 / Production host: Escherichia coli BL21(DE3) (bacteria) / References: UniProt: P9WIT9, ornithine carbamoyltransferase
#2: Chemical
ChemComp-PO4 / PHOSPHATE ION / Phosphate


Mass: 94.971 Da / Num. of mol.: 10 / Source method: obtained synthetically / Formula: PO4
#3: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 1795 / 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: 2.85 Å3/Da / Density % sol: 56.82 %
Crystal growTemperature: 291 K / Method: vapor diffusion
Details: 150 mM ammonium dihydrogen phosphate 10 mM praseodymium acetate.

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Data collection

DiffractionMean temperature: 100 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: Diamond / Beamline: I04-1 / Wavelength: 0.9159 Å
DetectorType: DECTRIS PILATUS 2M / Detector: PIXEL / Date: Jul 28, 2018
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9159 Å / Relative weight: 1
ReflectionResolution: 1.52→81.12 Å / Num. obs: 338738 / % possible obs: 99.9 % / Redundancy: 5.1 % / CC1/2: 0.994 / Rmerge(I) obs: 0.106 / Rpim(I) all: 0.05 / Rrim(I) all: 0.118 / Net I/σ(I): 7.4 / Num. measured all: 1731990 / Scaling rejects: 1
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsNum. measured allNum. unique obsCC1/2Rpim(I) allRrim(I) allNet I/σ(I) obs% possible all
1.52-1.614.21.156209268493980.4490.6321.3251100
4.82-81.125.30.08457641108630.990.040.09317.899.7

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Phasing

PhasingMethod: molecular replacement
Phasing MR
Highest resolutionLowest resolution
Rotation7.97 Å81.12 Å

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Processing

Software
NameVersionClassification
PHENIX1.18.2refinement
Aimless0.7.1data scaling
PHASER2.8.3phasing
PDB_EXTRACT3.27data extraction
XDSdata reduction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 2P2G
Resolution: 1.52→71.19 Å / SU ML: 0.17 / Cross valid method: THROUGHOUT / σ(F): 1.34 / Phase error: 19 / Stereochemistry target values: ML
RfactorNum. reflection% reflection
Rfree0.1828 16834 4.97 %
Rwork0.1686 321829 -
obs0.1693 338663 99.91 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso max: 82.33 Å2 / Biso mean: 30.7571 Å2 / Biso min: 15.06 Å2
Refinement stepCycle: final / Resolution: 1.52→71.19 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms13548 0 50 1797 15395
Biso mean--41.33 41.09 -
Num. residues----1807
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Rfactor Rfree error: 0 / Total num. of bins used: 30 / % reflection obs: 100 %

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all
1.52-1.540.31366000.29881061111211
1.54-1.560.28875950.28611070211297
1.56-1.580.2865990.27521064311242
1.58-1.60.27615410.26331076411305
1.6-1.620.28336190.26791068811307
1.62-1.640.28745760.26981064811224
1.64-1.660.26885980.25451069411292
1.66-1.690.2635310.23661072811259
1.69-1.720.24235100.221075611266
1.72-1.740.24965660.21221068411250
1.74-1.770.21265270.19861075711284
1.77-1.810.20565590.18061071511274
1.81-1.840.21245370.181075111288
1.84-1.880.19974870.17151077311260
1.88-1.920.20495950.17951069411289
1.92-1.960.20365400.18031076711307
1.96-2.010.19076240.18221067011294
2.01-2.070.19525920.1681066111253
2.07-2.130.18835520.16541072511277
2.13-2.20.18775040.15731080111305
2.2-2.280.18545980.16241069511293
2.28-2.370.16414410.15941081311254
2.37-2.470.17695370.16091080111338
2.47-2.60.17525910.16381068511276
2.6-2.770.19335280.16531076911297
2.77-2.980.17155560.16381076111317
2.98-3.280.17096030.15781072011323
3.28-3.760.16125970.15161070311300
3.76-4.730.14995870.13791074311330
4.73-71.190.16515440.16581090711451
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)
11.04470.5332-0.5392.2908-1.12862.7072-0.03110.018-0.03890.0356-0.0353-0.07340.0637-0.29320.06020.1759-0.0094-0.00040.2188-0.00390.188442.285310.309117.4714
22.5246-1.0624-0.75381.6157-0.17190.4140.0183-0.4770.07140.69980.13820.1037-0.4491-0.1067-0.12630.52510.06420.05970.30060.01950.275538.312427.3071123.6221
30.62320.64490.05331.5121-1.53263.1865-0.02220.04270.06370.18610.00650.1056-0.2152-0.45380.01010.20570.00070.02720.2498-0.00910.202938.519210.7395125.9293
40.96830.0455-0.5031.002-0.34382.5466-0.1760.1355-0.1261-0.09490.1060.0630.4608-0.450.07170.2983-0.11220.04850.2545-0.01680.215236.1734-4.6858135.3008
51.8134-0.1191-0.4050.2243-0.77913.1244-0.0973-0.28220.0855-0.1028-0.13560.0942-0.10620.11440.15120.2596-0.00440.05260.20460.00290.241547.8612-0.2132141.7728
61.65610.1174-0.01981.0784-0.37171.6415-0.139-0.0592-0.1742-0.0761-0.1249-0.13180.38210.30670.25280.30650.0250.06320.19650.03670.255352.8822-5.354138.0814
72.243-0.74170.39742.0855-1.2512.523-0.0011-0.0281-0.021-0.2196-0.0131-0.01230.2397-0.26280.04760.2158-0.03580.04010.206-0.01530.197944.43686.1842118.0578
81.96760.59260.45640.9230.22961.07550.0344-0.2152-0.08620.1691-0.0324-0.0170.0634-0.0847-0.00440.18320.00770.00390.12980.00080.156369.59418.8343119.6598
91.13520.3850.64981.18750.35251.2146-0.0497-0.02650.01020.12490.0463-0.1359-0.10830.0790.00710.20480.0011-0.01780.1804-0.01210.187684.383832.8972122.6059
101.6256-0.72890.04621.88410.29950.7701-0.0218-0.0240.00130.11590.0438-0.00760.0176-0.01650.00390.18450.02620.01840.20390.01010.177347.570138.1083109.1441
111.94980.81180.35422.65460.5170.1153-0.0624-0.49270.19020.51850.02680.0150.0342-0.1039-0.03820.32330.0817-0.03860.294-0.03410.250961.794637.1648120.66
121.9165-0.8554-0.34731.04070.11160.4721-0.0704-0.18250.20960.15140.1355-0.0613-0.0889-0.0283-0.05130.24350.0620.01480.2272-0.00350.208540.278951.2792116.473
131.8353-0.6569-0.55892.21020.45231.1722-0.126-0.3088-0.1030.38480.0780.18650.05680.04730.03770.30280.08560.09080.33290.05560.262225.605645.1568123.5865
143.5498-0.1474-0.95061.75220.26221.5602-0.01140.0945-0.00760.07760.0717-0.00010.05030.012-0.03880.20980.0442-0.00260.17770.01170.180243.057338.3411108.4427
151.2175-0.45580.30072.1327-1.12172.23520.00330.0219-0.0135-0.0997-0.0580.0424-0.0179-0.02080.0550.18730.0136-0.01290.2193-0.02630.181547.332630.437282.9789
162.60030.57450.79221.0922-0.62830.9082-0.08280.5673-0.1531-0.68830.14550.19510.3168-0.05590.02180.4439-0.0408-0.06710.3204-0.02890.323438.482415.679576.2824
170.8050.0674-0.64971.0243-0.81642.6036-0.0050.09230.0734-0.14980.02920.0616-0.1915-0.1654-0.02650.27250.0159-0.0630.2122-0.00910.206247.59239.225967.7091
180.91090.2360.19270.6815-0.31041.90220.01510.0370.0502-0.0627-0.0403-0.0545-0.23580.37470.04840.2484-0.0046-0.03220.2124-0.00210.2258.545636.913167.6525
191.2751-0.7107-0.49631.48650.33640.84510.02620.14660.04-0.1151-0.04850.0018-0.1054-0.0630.01720.1598-0.0075-0.01780.2077-0.01070.160670.136313.178483.3612
200.70090.0115-0.34921.1260.44651.3759-0.0907-0.0166-0.0815-0.02680.0998-0.08420.15990.0665-0.00150.1636-00.00150.2063-0.00460.192879.3907-4.962880.112
211.52840.40530.04011.89610.51621.0895-0.0254-0.0307-0.11790.04020.00210.17850.0542-0.07290.03250.1650.00830.00730.2191-0.0090.244241.85042.711591.4803
221.65620.07330.03621.21710.39220.5519-0.03430.4384-0.219-0.36620.0005-0.08010.0360.00580.03110.2454-0.01060.0280.2931-0.05750.243553.0475-3.60681.4301
231.66990.15810.78670.95290.21661.27310.09830.084-0.3875-0.0038-0.12850.46520.1591-0.21680.01330.1851-0.03080.00550.2644-0.08770.479326.8862-6.79583.7381
241.90520.94560.66811.87180.30740.6945-0.21380.19450.1363-0.4849-0.04330.6189-0.2107-0.15190.19180.29860.0124-0.15790.3982-0.0610.558419.69184.16375.1369
251.99640.23240.96772.14690.12521.7556-0.047-0.0457-0.01270.0886-0.00830.3013-0.0308-0.140.06480.1773-0.01520.03740.2417-0.03540.286737.5234.327591.7321
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection detailsAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1chain 'A' and (resid 0 through 64 )A0 - 64
2X-RAY DIFFRACTION2chain 'A' and (resid 65 through 94 )A65 - 94
3X-RAY DIFFRACTION3chain 'A' and (resid 95 through 143 )A95 - 143
4X-RAY DIFFRACTION4chain 'A' and (resid 144 through 215 )A144 - 215
5X-RAY DIFFRACTION5chain 'A' and (resid 216 through 239 )A216 - 239
6X-RAY DIFFRACTION6chain 'A' and (resid 240 through 284 )A240 - 284
7X-RAY DIFFRACTION7chain 'A' and (resid 285 through 307 )A285 - 307
8X-RAY DIFFRACTION8chain 'B' and (resid 1 through 143 )B1 - 143
9X-RAY DIFFRACTION9chain 'B' and (resid 144 through 307 )B144 - 307
10X-RAY DIFFRACTION10chain 'C' and (resid 0 through 64 )C0 - 64
11X-RAY DIFFRACTION11chain 'C' and (resid 65 through 94 )C65 - 94
12X-RAY DIFFRACTION12chain 'C' and (resid 95 through 215 )C95 - 215
13X-RAY DIFFRACTION13chain 'C' and (resid 216 through 284 )C216 - 284
14X-RAY DIFFRACTION14chain 'C' and (resid 285 through 307 )C285 - 307
15X-RAY DIFFRACTION15chain 'D' and (resid 1 through 64 )D1 - 64
16X-RAY DIFFRACTION16chain 'D' and (resid 65 through 94 )D65 - 94
17X-RAY DIFFRACTION17chain 'D' and (resid 95 through 231 )D95 - 231
18X-RAY DIFFRACTION18chain 'D' and (resid 232 through 307 )D232 - 307
19X-RAY DIFFRACTION19chain 'E' and (resid 1 through 143 )E1 - 143
20X-RAY DIFFRACTION20chain 'E' and (resid 144 through 307 )E144 - 307
21X-RAY DIFFRACTION21chain 'F' and (resid 0 through 64 )F0 - 64
22X-RAY DIFFRACTION22chain 'F' and (resid 65 through 114 )F65 - 114
23X-RAY DIFFRACTION23chain 'F' and (resid 115 through 215 )F115 - 215
24X-RAY DIFFRACTION24chain 'F' and (resid 216 through 284 )F216 - 284
25X-RAY DIFFRACTION25chain 'F' and (resid 285 through 307 )F285 - 307

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